Company lists · Data refreshed November 2026
Top 25 Hvac testing and diagnostics companies worldwide
RevenueBase identified 7,274 company matches for hvac testing and diagnostics companies worldwide as of November 2026 and tracks 44,011 professional contacts across them, including 9,853 with verified work emails. The United States is the largest market and Houston the largest hub.
This list covers company matches for hvac testing and diagnostics companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for hvac testing and diagnostics companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest hvac testing and diagnostics companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,010 contacts → | ||||
Exact match “La Société Ventec a été créée au Maroc en 1949 par Monsieur Albert MARQUET Président Directeur Général de Ventec en France.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 678 contacts → | ||||
Exact match “Electric Power Systems is an independent electrical testing & engineering organization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 430 contacts → | ||||
Exact match “Dedicated to Excellence For over a century, Carmichael has been delivering expert solutions in HVAC, industrial refrigeration, automation, combustion, energy, and scientific…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 328 contacts → | ||||
Exact match “Here at Conco, we are always looking for A Better Way.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 258 contacts → | ||||
Exact match “BFC Solutions is the leader in essential HVAC services for commercial multi-site facilities and chains nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 249 contacts → | ||||
Exact match “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 248 contacts → | ||||
Exact match “Established in 1964, Ellis Air Conditioning has a long history of successfully completing mechanical services projects and preventative maintenance programs for many various…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 245 contacts → | ||||
Exact match “Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 223 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 191 contacts → | ||||
Exact match “Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 175 contacts → | ||||
Exact match “AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 173 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 166 contacts → | ||||
Exact match “We believe in… excellence and heart.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 147 contacts → | ||||
Exact match “Since its establishment in 1998, The Engineering Company for Testing and Balancing Services, TAB, goal was to become the real representation of its slogan, “A Professional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 146 contacts → | ||||
Exact match “A Maneng é uma empresa especializada em manutenção, operação e projetos de sistemas de ar-condicionado e climatização (HVAC), atuando no mercado corporativo há mais de 20 anos…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 140 contacts → | ||||
Exact match “Qualidade e eficiência associada a um elevado conceito tecnológico quando o assunto é conforto térmico, essa é a Arpol.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 139 contacts → | ||||
Exact match “Fieldpiece Instruments is the leading manufacturer of professional-grade tools for the HVACR industry, delivering quality instruments industry pros trust to help them do more…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 138 contacts → | ||||
Exact match “Motili offers scalable turnkey HVAC technology, products, and solutions for residential and commercial properties large and small, across the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 135 contacts → | ||||
Exact match “Engineered Air Balance is the leading authority in total system balancing, building commissioning, and critical environment certifications at the forefront of industry standards…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 134 contacts → | ||||
Exact match “We are a global provider of energy efficiency solutions for commercial buildings with five business offerings: HVAC Testing, Adjusting & Balancing, Intelli-Hood® Kitchen…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 126 contacts → | ||||
Exact match “Donnelly Mechanical is New York City’s premier provider of innovative commercial HVAC service, maintenance and construction.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 125 contacts → | ||||
Exact match “Palmetto Air & Water Balance is committed to providing the highest quality of independent testing, adjusting and balancing services available to its client base of general and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 124 contacts → | ||||
Exact match “National HVACR Solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 121 contacts → | ||||
Exact match “Custom Air Products & Services, Inc.(CAPS), an AirX Climate Solutions company, is a full-service HVAC company that specializes in the design, construction, installation…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 115 contacts → | ||||
Exact match “Air-Conditioning Innovative Solutions serves Dallas, Fort Worth, Houston and Austin with commercial HVAC services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “hvac testing and diagnostics companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 7,274 hvac testing and diagnostics companies worldwide
See the full list, filter by size, metro and specialty, and access 9,853 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hvac testing and diagnostics companies worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for hvac testing and diagnostics companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “hvac testing and diagnostics companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 9,853 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Hvac testing and diagnostics companies by location
19 lists · largest firstEvery Hvac testing and diagnostics companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hvac testing and diagnostics companies based in the United States4,501
- Hvac testing and diagnostics companies based in Canada436
- Hvac testing and diagnostics companies based in France214
- Hvac testing and diagnostics companies based in the United Kingdom171
- Hvac testing and diagnostics companies based in India167
- Hvac testing and diagnostics companies based in Australia131
- Hvac testing and diagnostics companies based in Brazil105
- Hvac testing and diagnostics companies based in Italy98
- Hvac testing and diagnostics companies based in the Netherlands34
- Hvac testing and diagnostics companies based in New Zealand27
Cities
- Hvac testing and diagnostics companies based in Houston, United States83
- Hvac testing and diagnostics companies based in New York, United States49
- Hvac testing and diagnostics companies based in San Antonio, United States37
- Hvac testing and diagnostics companies based in Phoenix, United States35
- Hvac testing and diagnostics companies based in Toronto, Canada31
- Hvac testing and diagnostics companies based in Austin, United States30
- Hvac testing and diagnostics companies based in Tampa, United States30
- Hvac testing and diagnostics companies based in Dallas, United States28
- Hvac testing and diagnostics companies based in Calgary, Canada26
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hvac testing and diagnostics companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hvac testing and diagnostics companies are there worldwide?
RevenueBase identified 7,274 company matches for hvac testing and diagnostics companies worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Ventec S.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most hvac testing and diagnostics companies?
The United States leads with 4,501 companies, followed by Canada (436) and France (214). Every hvac testing and diagnostics companies list by country and city is linked on this page.
Which city has the most hvac testing and diagnostics companies?
Houston leads with 83 company records, followed by New York (49) and Dubai (38).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 9,853 professional contacts with verified work emails tracked across these 7,274 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 7,274 hvac testing and diagnostics companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 hvac testing and diagnostics companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 7,274 matching company records for hvac testing and diagnostics companies worldwide, with 44,011 tracked contacts and 9,853 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hvac testing and diagnostics companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Ventec S.Aventec.maHQ: Casablanca, MoroccoReported employees: 1,001-5,000 | Casablanca, Morocco | 1,001-5,000 | Exact match | 1,010 contacts → |
“La Société Ventec a été créée au Maroc en 1949 par Monsieur Albert MARQUET Président Directeur Général de Ventec en France.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Electric Power Systemsvoltyx.comHQ: Maryland Heights, MI, United StatesReported employees: 501-1,000 | Maryland Heights, MI, United States | 501-1,000 | Exact match | 678 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Carmichael Engineering LTDcarmichael-eng.caHQ: Montreal, ON, CanadaReported employees: 501-1,000 | Montreal, ON, Canada | 501-1,000 | Exact match | 430 contacts → |
“Dedicated to Excellence For over a century, Carmichael has been delivering expert solutions in HVAC, industrial refrigeration, automation, combustion, energy, and scientific…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Conco Services LLCconco.netHQ: Verona, TX, United StatesReported employees: 201-500 | Verona, TX, United States | 201-500 | Exact match | 328 contacts → |
“Here at Conco, we are always looking for A Better Way.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  BFC Solutionsbfcsolutions.comHQ: Nashville, TN, United StatesReported employees: 501-1,000 | Nashville, TN, United States | 501-1,000 | Exact match | 258 contacts → |
“BFC Solutions is the leader in essential HVAC services for commercial multi-site facilities and chains nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Airtron Heating & AIR Conditioningairtron.comHQ: Columbus, TX, United StatesReported employees: 1,001-5,000 | Columbus, TX, United States | 1,001-5,000 | Exact match | 249 contacts → |
“Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Ellis AIR Conditioningellisair.com.auHQ: Moorabbin Airport, AustraliaReported employees: 201-500 | Moorabbin Airport, Australia | 201-500 | Exact match | 248 contacts → |
“Established in 1964, Ellis Air Conditioning has a long history of successfully completing mechanical services projects and preventative maintenance programs for many various…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Reliable Heating & AIRreliableair.comHQ: Kennesaw, GA, United StatesReported employees: 201-500 | Kennesaw, GA, United States | 201-500 | Exact match | 245 contacts → |
“Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Energy Air, INCenergyair.comHQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 223 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 |  Emcor Services Aircondaircond.comHQ: Smyrna, SC, United StatesReported employees: 201-500 | Smyrna, SC, United States | 201-500 | Exact match | 191 contacts → |
“Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  American Mechanical Servicesamsofusa.comHQ: Laurel, CA, United StatesReported employees: 501-1,000 | Laurel, CA, United States | 501-1,000 | Exact match | 175 contacts → |
“AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 173 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 |  ONE Hour Heating & AIR Conditioningonehourmagic.comHQ: Myrtle Beach, SC, United StatesReported employees: 51-200 | Myrtle Beach, SC, United States | 51-200 | Exact match | 166 contacts → |
“We believe in… excellence and heart.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  TAB Egypttab.com.egHQ: Cairo, EgyptReported employees: 201-500 | Cairo, Egypt | 201-500 | Exact match | 147 contacts → |
“Since its establishment in 1998, The Engineering Company for Testing and Balancing Services, TAB, goal was to become the real representation of its slogan, “A Professional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Maneng Refrigeraçãomaneng.com.brHQ: Santo André, BrazilReported employees: 51-200 | Santo André, Brazil | 51-200 | Exact match | 146 contacts → |
“A Maneng é uma empresa especializada em manutenção, operação e projetos de sistemas de ar-condicionado e climatização (HVAC), atuando no mercado corporativo há mais de 20 anos…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Arpol Conforto Térmico Ltdaarpolar.com.brHQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 140 contacts → |
“Qualidade e eficiência associada a um elevado conceito tecnológico quando o assunto é conforto térmico, essa é a Arpol.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Fieldpiece Instrumentsfieldpiece.comHQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 139 contacts → |
“Fieldpiece Instruments is the leading manufacturer of professional-grade tools for the HVACR industry, delivering quality instruments industry pros trust to help them do more…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Motilimotili.comHQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 138 contacts → |
“Motili offers scalable turnkey HVAC technology, products, and solutions for residential and commercial properties large and small, across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Engineered AIR Balanceeabcoinc.comHQ: Richardson, TX, United StatesReported employees: 51-200 | Richardson, TX, United States | 51-200 | Exact match | 135 contacts → |
“Engineered Air Balance is the leading authority in total system balancing, building commissioning, and critical environment certifications at the forefront of industry standards…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Melink Corporationmelinkcorp.comHQ: Milford, OH, United StatesReported employees: 51-200 | Milford, OH, United States | 51-200 | Exact match | 134 contacts → |
“We are a global provider of energy efficiency solutions for commercial buildings with five business offerings: HVAC Testing, Adjusting & Balancing, Intelli-Hood® Kitchen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Donnelly Mechanical Corporationdonnellymech.comHQ: Queens Village, NY, United StatesReported employees: 201-500 | Queens Village, NY, United States | 201-500 | Exact match | 126 contacts → |
“Donnelly Mechanical is New York City’s premier provider of innovative commercial HVAC service, maintenance and construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Palmetto AIR & Water Balancepalmettoairbalance.comHQ: Greenville, SC, United StatesReported employees: 201-500 | Greenville, SC, United States | 201-500 | Exact match | 125 contacts → |
“Palmetto Air & Water Balance is committed to providing the highest quality of independent testing, adjusting and balancing services available to its client base of general and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Engineering Excellenceengineeringexcellence.comHQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 124 contacts → |
“National HVACR Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Custom AIR Products & Services, INCcustomairproducts.comHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 121 contacts → |
“Custom Air Products & Services, Inc.(CAPS), an AirX Climate Solutions company, is a full-service HVAC company that specializes in the design, construction, installation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  ACISacisinc.comHQ: Mckinney, TX, United StatesReported employees: 201-500 | Mckinney, TX, United States | 201-500 | Exact match | 115 contacts → |
“Air-Conditioning Innovative Solutions serves Dallas, Fort Worth, Houston and Austin with commercial HVAC services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,274 company matches
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Hvac testing and diagnostics companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
7,101 records in the displayed employee bands.
173 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 7,274 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hvac testing and diagnostics companies by location
19 lists · largest firstEvery Hvac testing and diagnostics companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hvac testing and diagnostics companies based in the United States4,501
- Hvac testing and diagnostics companies based in Canada436
- Hvac testing and diagnostics companies based in France214
- Hvac testing and diagnostics companies based in the United Kingdom171
- Hvac testing and diagnostics companies based in India167
- Hvac testing and diagnostics companies based in Australia131
- Hvac testing and diagnostics companies based in Brazil105
- Hvac testing and diagnostics companies based in Italy98
- Hvac testing and diagnostics companies based in the Netherlands34
- Hvac testing and diagnostics companies based in New Zealand27
Cities
- Hvac testing and diagnostics companies based in Houston, United States83
- Hvac testing and diagnostics companies based in New York, United States49
- Hvac testing and diagnostics companies based in San Antonio, United States37
- Hvac testing and diagnostics companies based in Phoenix, United States35
- Hvac testing and diagnostics companies based in Toronto, Canada31
- Hvac testing and diagnostics companies based in Austin, United States30
- Hvac testing and diagnostics companies based in Tampa, United States30
- Hvac testing and diagnostics companies based in Dallas, United States28
- Hvac testing and diagnostics companies based in Calgary, Canada26
Questions about this company list
What does Exact match mean for hvac testing and diagnostics companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hvac testing and diagnostics companies did RevenueBase find worldwide?
The saved snapshot records 7,274 matching company records, 44,011 tracked contacts and 9,853 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 hvac testing and diagnostics companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hvac-testing-and-diagnostics-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 hvac testing and diagnostics companies worldwide
RevenueBase records 7,274 matching company records for hvac testing and diagnostics companies worldwide, with 44,011 tracked contacts and 9,853 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hvac testing and diagnostics companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Ventec S.Aventec.ma HQ: Casablanca, MoroccoReported employees: 1,001-5,000 | Casablanca, Morocco | 1,001-5,000 | Exact match | 1,010 contacts → |
“La Société Ventec a été créée au Maroc en 1949 par Monsieur Albert MARQUET Président Directeur Général de Ventec en France.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Electric Power Systemsvoltyx.com HQ: Maryland Heights, MI, United StatesReported employees: 501-1,000 | Maryland Heights, MI, United States | 501-1,000 | Exact match | 678 contacts → |
“Electric Power Systems is an independent electrical testing & engineering organization.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Carmichael Engineering LTDcarmichael-eng.ca HQ: Montreal, ON, CanadaReported employees: 501-1,000 | Montreal, ON, Canada | 501-1,000 | Exact match | 430 contacts → |
“Dedicated to Excellence For over a century, Carmichael has been delivering expert solutions in HVAC, industrial refrigeration, automation, combustion, energy, and scientific…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Conco Services LLCconco.net HQ: Verona, TX, United StatesReported employees: 201-500 | Verona, TX, United States | 201-500 | Exact match | 328 contacts → |
“Here at Conco, we are always looking for A Better Way.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BFC Solutionsbfcsolutions.com HQ: Nashville, TN, United StatesReported employees: 501-1,000 | Nashville, TN, United States | 501-1,000 | Exact match | 258 contacts → |
“BFC Solutions is the leader in essential HVAC services for commercial multi-site facilities and chains nationwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Airtron Heating & AIR Conditioningairtron.com HQ: Columbus, TX, United StatesReported employees: 1,001-5,000 | Columbus, TX, United States | 1,001-5,000 | Exact match | 249 contacts → |
“Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Ellis AIR Conditioningellisair.com.au HQ: Moorabbin Airport, AustraliaReported employees: 201-500 | Moorabbin Airport, Australia | 201-500 | Exact match | 248 contacts → |
“Established in 1964, Ellis Air Conditioning has a long history of successfully completing mechanical services projects and preventative maintenance programs for many various…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Reliable Heating & AIRreliableair.com HQ: Kennesaw, GA, United StatesReported employees: 201-500 | Kennesaw, GA, United States | 201-500 | Exact match | 245 contacts → |
“Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Energy Air, INCenergyair.com HQ: Orlando, FL, United StatesReported employees: 201-500 | Orlando, FL, United States | 201-500 | Exact match | 223 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 10 | Emcor Services Aircondaircond.com HQ: Smyrna, SC, United StatesReported employees: 201-500 | Smyrna, SC, United States | 201-500 | Exact match | 191 contacts → |
“Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | American Mechanical Servicesamsofusa.com HQ: Laurel, CA, United StatesReported employees: 501-1,000 | Laurel, CA, United States | 501-1,000 | Exact match | 175 contacts → |
“AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 173 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | ONE Hour Heating & AIR Conditioningonehourmagic.com HQ: Myrtle Beach, SC, United StatesReported employees: 51-200 | Myrtle Beach, SC, United States | 51-200 | Exact match | 166 contacts → |
“We believe in… excellence and heart.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | TAB Egypttab.com.eg HQ: Cairo, EgyptReported employees: 201-500 | Cairo, Egypt | 201-500 | Exact match | 147 contacts → |
“Since its establishment in 1998, The Engineering Company for Testing and Balancing Services, TAB, goal was to become the real representation of its slogan, “A Professional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Maneng Refrigeraçãomaneng.com.br HQ: Santo André, BrazilReported employees: 51-200 | Santo André, Brazil | 51-200 | Exact match | 146 contacts → |
“A Maneng é uma empresa especializada em manutenção, operação e projetos de sistemas de ar-condicionado e climatização (HVAC), atuando no mercado corporativo há mais de 20 anos…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Arpol Conforto Térmico Ltdaarpolar.com.br HQ: Sao Paulo, BrazilReported employees: 501-1,000 | Sao Paulo, Brazil | 501-1,000 | Exact match | 140 contacts → |
“Qualidade e eficiência associada a um elevado conceito tecnológico quando o assunto é conforto térmico, essa é a Arpol.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Fieldpiece Instrumentsfieldpiece.com HQ: Orange, CA, United StatesReported employees: 51-200 | Orange, CA, United States | 51-200 | Exact match | 139 contacts → |
“Fieldpiece Instruments is the leading manufacturer of professional-grade tools for the HVACR industry, delivering quality instruments industry pros trust to help them do more…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Motilimotili.com HQ: Denver, CO, United StatesReported employees: 51-200 | Denver, CO, United States | 51-200 | Exact match | 138 contacts → |
“Motili offers scalable turnkey HVAC technology, products, and solutions for residential and commercial properties large and small, across the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Engineered AIR Balanceeabcoinc.com HQ: Richardson, TX, United StatesReported employees: 51-200 | Richardson, TX, United States | 51-200 | Exact match | 135 contacts → |
“Engineered Air Balance is the leading authority in total system balancing, building commissioning, and critical environment certifications at the forefront of industry standards…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Melink Corporationmelinkcorp.com HQ: Milford, OH, United StatesReported employees: 51-200 | Milford, OH, United States | 51-200 | Exact match | 134 contacts → |
“We are a global provider of energy efficiency solutions for commercial buildings with five business offerings: HVAC Testing, Adjusting & Balancing, Intelli-Hood® Kitchen…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Donnelly Mechanical Corporationdonnellymech.com HQ: Queens Village, NY, United StatesReported employees: 201-500 | Queens Village, NY, United States | 201-500 | Exact match | 126 contacts → |
“Donnelly Mechanical is New York City’s premier provider of innovative commercial HVAC service, maintenance and construction.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Palmetto AIR & Water Balancepalmettoairbalance.com HQ: Greenville, SC, United StatesReported employees: 201-500 | Greenville, SC, United States | 201-500 | Exact match | 125 contacts → |
“Palmetto Air & Water Balance is committed to providing the highest quality of independent testing, adjusting and balancing services available to its client base of general and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Engineering Excellenceengineeringexcellence.com HQ: Cincinnati, OH, United StatesReported employees: 51-200 | Cincinnati, OH, United States | 51-200 | Exact match | 124 contacts → |
“National HVACR Solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Custom AIR Products & Services, INCcustomairproducts.com HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 121 contacts → |
“Custom Air Products & Services, Inc.(CAPS), an AirX Climate Solutions company, is a full-service HVAC company that specializes in the design, construction, installation…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | ACISacisinc.com HQ: Mckinney, TX, United StatesReported employees: 201-500 | Mckinney, TX, United States | 201-500 | Exact match | 115 contacts → |
“Air-Conditioning Innovative Solutions serves Dallas, Fort Worth, Houston and Austin with commercial HVAC services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 7,274 company matches
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Hvac testing and diagnostics companies: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
7,101 records in the displayed employee bands.
173 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 7,274 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hvac testing and diagnostics companies by location
19 lists · largest firstEvery Hvac testing and diagnostics companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hvac testing and diagnostics companies based in the United States4,501
- Hvac testing and diagnostics companies based in Canada436
- Hvac testing and diagnostics companies based in France214
- Hvac testing and diagnostics companies based in the United Kingdom171
- Hvac testing and diagnostics companies based in India167
- Hvac testing and diagnostics companies based in Australia131
- Hvac testing and diagnostics companies based in Brazil105
- Hvac testing and diagnostics companies based in Italy98
- Hvac testing and diagnostics companies based in the Netherlands34
- Hvac testing and diagnostics companies based in New Zealand27
Cities
- Hvac testing and diagnostics companies based in Houston, United States83
- Hvac testing and diagnostics companies based in New York, United States49
- Hvac testing and diagnostics companies based in San Antonio, United States37
- Hvac testing and diagnostics companies based in Phoenix, United States35
- Hvac testing and diagnostics companies based in Toronto, Canada31
- Hvac testing and diagnostics companies based in Austin, United States30
- Hvac testing and diagnostics companies based in Tampa, United States30
- Hvac testing and diagnostics companies based in Dallas, United States28
- Hvac testing and diagnostics companies based in Calgary, Canada26
Questions about this company list
What does Exact match mean for hvac testing and diagnostics companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hvac testing and diagnostics companies did RevenueBase find worldwide?
The saved snapshot records 7,274 matching company records, 44,011 tracked contacts and 9,853 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Cite this list
RevenueBase Data Team. Top 25 hvac testing and diagnostics companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hvac-testing-and-diagnostics-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗