Company lists · Data refreshed November 2026

Top 25 Hvac system qualification companies worldwide

Name: Hvac system qualification companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,395 companies tracked

RevenueBase identified 10,395 company matches for hvac system qualification companies worldwide as of November 2026 and tracks 83,511 professional contacts across them, including 19,794 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers company matches for hvac system qualification 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 system qualification 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built

10,395Companies

83,511Contacts tracked

19,794Verified emails

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The 25 largest hvac system qualification companies worldwide

Ranked by team size

Top 25 of 10,395 company matches for hvac system qualification companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	AAON	Exact match	Tulsa, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,350 contacts →
	Exact match “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Ventec S.A	Exact match	Casablanca, MoroccoHQ recorded Nov 6, 2026	1,001-5,000	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
3	SKM AIR Conditioning LLC	Exact match	Sharjah, United Arab EmiratesHQ recorded Nov 6, 2026	1,001-5,000	706 contacts →
	Exact match “S.K.M Air Conditioning LLC is a premier name in the air conditioning industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Texas Airsystems	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	201-500	583 contacts →
	Exact match “In business for over 45 years, Texas AirSystems has grown to be recognized as one of the premier partners for commercial HVAC solutions in Texas, boasting over 500 associates…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Heating Cooling	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	504 contacts →
	Exact match “Desde 1974, a Heating & Cooling atua no segmento de engenharia de instalação de Sistemas de Ar-Condicionado, Ventilação e Exaustão Mecânica, com mais de 2.500 projetos executados.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Hoffman & Hoffman, INC	Exact match	Greensboro, TN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	469 contacts →
	Exact match “Since 1947, Hoffman & Hoffman, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Heinen & Hopman	Exact match	Bunschoten-spakenburg, United StatesHQ recorded Nov 6, 2026	1,001-5,000	459 contacts →
	Exact match “Heinen & Hopman Engineering was founded in 1965 as a family business in the heart of Holland, Spakenburg.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Ferroli Group	Exact match	San Bonifacio, ItalyHQ recorded Nov 6, 2026	1,001-5,000	442 contacts →
	Exact match “Feel Well.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Carmichael Engineering LTD	Exact match	Montreal, ON, CanadaHQ recorded Nov 6, 2026	501-1,000	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
10	Brady Services	Exact match	Greensboro, NC, United StatesHQ recorded Nov 6, 2026	501-1,000	358 contacts →
	Exact match “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Arclima Engenharia	Exact match	Cabo De Santo Agostinho, BrazilHQ recorded Nov 6, 2026	201-500	311 contacts →
	Exact match “A Arclima Engenharia é uma empresa brasileira especializada em Climatização, Refrigeração e Eficiência Energética (HVAC), com atuação em todo o território nacional.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Shinryo Suvidha Engineers India Pvt. LTD	Exact match	Noida, IndiaHQ recorded Nov 6, 2026	501-1,000	296 contacts →
	Exact match “We wish to inform you that the name of Suvidha Engineers India Pvt Ltd, has been changed to Shinryo Suvidha Engineers India Pvt Ltd.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	VAE Group	Exact match	Darra, AustraliaHQ recorded Nov 6, 2026	201-500	291 contacts →
	Exact match “VAE engineers, constructs and manages Smarter HVAC Solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Service Champions Plumbing, Heating & AC	Exact match	Brea, CA, United StatesHQ recorded Nov 6, 2026	201-500	252 contacts →
	Exact match “Service Champions is the premier plumbing, heating and air conditioning company in Southern California, serving residential homeowners in all of Orange County, and parts of LA…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Shapiro & Duncan, INC	Exact match	Rockville, MD, United StatesHQ recorded Nov 6, 2026	201-500	251 contacts →
	Exact match “Shapiro and Duncan is a full service Plumbing and HVAC construction company based in Rockville, Maryland since 1976.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Airtron Heating & AIR Conditioning	Exact match	Columbus, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	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
17	Ellis AIR Conditioning	Exact match	Moorabbin Airport, AustraliaHQ recorded Nov 6, 2026	201-500	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
18	Lennox National Account Services	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Nov 6, 2026	10001+	240 contacts →
	Exact match “Lennox National Account Services (Lennox NAS) is the leading HVAC commercial service company with technicians located nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Thermal Systems Hyderabad Pvt. LTD	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	501-1,000	240 contacts →
	Exact match “Thermal Systems (TSPL) is a fast growing ISO 9001 certified heavy engineering company engaged in Waste Heat Recovery solutions around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Energy Air, INC	Exact match	Orlando, FL, United StatesHQ recorded Nov 6, 2026	201-500	223 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Knnd Associates Pvt. LTD	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	201-500	220 contacts →
	Exact match “M/s.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Serviparamo S.A.S	Exact match	Barranquilla, ColombiaHQ recorded Nov 6, 2026	201-500	218 contacts →
	Exact match “Somos una empresa líder en el sector del aire acondicionado, ventilación mecánica, automatización y control, mantenimiento, retrofit, asesoría y soluciones para grantizar calidad…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Ambient	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	210 contacts →
	Exact match “Ambient is a national collective of HVAC design and implementation firms, each entity esteemed in their respective regions with decades of experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Elliott-Lewis Corporation	Exact match	United StatesHQ recorded Nov 6, 2026	201-500	207 contacts →
	Exact match “Since 1905, Elliott-Lewis has established itself as the premier HVAC/R service company in the Delaware Valley, providing complete maintenance, repair, operation engineering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Goyette Mechanical	Exact match	Flint, MI, United StatesHQ recorded Nov 6, 2026	201-500	195 contacts →
	Exact match “Founded in 1928, Goyette Mechanical is an industry leader in construction and design-build projects throughout the United States and one of the largest plumbing and HVAC…” 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 system qualification 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 10,395 hvac system qualification companies worldwide

See the full list, filter by size, metro and specialty, and access 19,794 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac system qualification companies worldwide at a glance

As of Nov 6, 2026

23.7%Verified-email coverage

8.0Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Houston

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

4,930

11-50

3,956

51-200

1,046

201-500

189

501-1,000

1,001-5,000

5,001-10,000

10001+

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 system qualification companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “hvac system qualification 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 19,794 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 system qualification companies by location

38 lists · largest first

Every Hvac system qualification companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 system qualification companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac system qualification companies are there worldwide?

RevenueBase identified 10,395 company matches for hvac system qualification 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?

AAON tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most hvac system qualification companies?

The United States leads with 5,041 companies, followed by Canada (521) and India (430). Every hvac system qualification companies list by country and city is linked on this page.

Which city has the most hvac system qualification companies?

Houston leads with 89 company records, followed by Sao Paulo (89) and New York (66).

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 19,794 professional contacts with verified work emails tracked across these 10,395 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.

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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.