Company lists · Data refreshed September 2026
Top 25 Hvac monitoring companies worldwide
RevenueBase identified 7,995 hvac monitoring companies worldwide as of September 2026 and tracks 67,643 professional contacts across them, including 20,697 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers hvac monitoring companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026. Country and city lists for hvac monitoring companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 monitoring companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 959 contacts → | ||||
Indirect evidence “La Société Ventec a été créée au Maroc en 1949 par Monsieur Albert MARQUET Président Directeur Général de Ventec en France.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 669 contacts → | ||||
Indirect evidence “Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 523 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 495 contacts → | ||||
Partial evidence “At Airmaster, our goal is to lead the way in integrated building services, combining HVAC & R, building automation, electrical, and fire systems to create smart buildings that are…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 453 contacts → | ||||
Indirect evidence “Since 1965, LONG has been in the business of building performance; making them automated, efficient, green, and safe.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 448 contacts → | ||||
Indirect evidence “Grosvenor Engineering Group is passionate about creating long-term sustainable value for building owners, managers and their occupants.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 445 contacts → | ||||
Indirect evidence “Since 1947, Hoffman & Hoffman, Inc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 400 contacts → | ||||
Partial evidence “Dedicated to Excellence For over a century, Carmichael has been delivering expert solutions in HVAC, industrial refrigeration, automation, combustion, energy, and scientific…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 353 contacts → | ||||
Indirect evidence “A E-Vertical, é uma empresa de serviços de operação, manutenção, monitoramento e soluções nas áreas de instalações prediais, automação predial, e segurança eletrônica.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 340 contacts → | ||||
Indirect evidence “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 338 contacts → | ||||
Indirect evidence “Founded in 1974, Regulvar is a private company operating nationally.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 338 contacts → | ||||
Partial evidence “Lennox National Account Services (Lennox NAS) is the leading HVAC commercial service company with technicians located nationwide.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 333 contacts → | ||||
Partial evidence “Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 323 contacts → | ||||
Partial evidence “Boland is the leading commercial HVAC systems, services, and building energy solutions provider in the DC metro area.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 271 contacts → | ||||
Partial evidence “VAE engineers, constructs and manages Smarter HVAC Solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 265 contacts → | ||||
Partial evidence “A Arclima Engenharia é uma empresa brasileira especializada em Climatização, Refrigeração e Eficiência Energética (HVAC), com atuação em todo o território nacional.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 241 contacts → | ||||
Partial evidence “BFC Solutions is the leader in essential HVAC services for commercial multi-site facilities and chains nationwide.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 220 contacts → | ||||
Partial evidence “Tolin Mechanical is a Leading Energy & Commercial HVAC Services Company.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 217 contacts → | ||||
Indirect evidence “Established in 1964, Ellis Air Conditioning has a long history of successfully completing mechanical services projects and preventative maintenance programs for many various…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 214 contacts → | ||||
Partial evidence “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 213 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 205 contacts → | ||||
Indirect evidence “At Gardiner, we've gotten used to clients being shocked by everything we can do to improve a building.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 204 contacts → | ||||
Indirect evidence “Nosso propósito é: Assegurar aos nossos clientes que suas operações atinjam nível de excelência através de inovadores processos de automação e gestão de recursos, com uma equipe…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 196 contacts → | ||||
Indirect evidence “Isaac Heating and Air Conditioning has been family-owned and operated in Rochester since 1945.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 193 contacts → | ||||
Partial evidence “The Right Time Group of Companies has been proudly providing a full range of home HVAC solutions to customers across Ontario, Manitoba, Saskatchewan, Alberta and British Columbia…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: hvac monitoring companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names hvac monitoring companies.
- Partial evidence
- Its own public description names part of hvac monitoring companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hvac monitoring companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 7,995 hvac monitoring companies worldwide
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Hvac monitoring companies worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among hvac monitoring companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for hvac monitoring companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “hvac monitoring companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names hvac monitoring companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among hvac monitoring companies, and records with no verified work email.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 20,697 across the full list. 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 September 20, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Hvac monitoring companies by location
29 lists · largest firstEvery Hvac monitoring companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hvac monitoring companies based in the United States4,768
- Hvac monitoring companies based in Canada482
- Hvac monitoring companies based in India243
- Hvac monitoring companies based in the United Kingdom227
- Hvac monitoring companies based in Australia176
- Hvac monitoring companies based in France141
- Hvac monitoring companies based in Brazil108
- Hvac monitoring companies based in the United Arab Emirates66
- Hvac monitoring companies based in Italy63
- Hvac monitoring companies based in Germany52
- Hvac monitoring companies based in Belgium51
- Hvac monitoring companies based in Spain50
- Hvac monitoring companies based in South Africa38
- Hvac monitoring companies based in the Netherlands38
- Hvac monitoring companies based in Sweden31
- Hvac monitoring companies based in Switzerland28
- Hvac monitoring companies based in Finland27
- Hvac monitoring companies based in New Zealand25
Cities
- Hvac monitoring companies based in New York, United States69
- Hvac monitoring companies based in Houston, United States66
- Hvac monitoring companies based in Toronto, Canada44
- Hvac monitoring companies based in Austin, United States32
- Hvac monitoring companies based in Charlotte, United States30
- Hvac monitoring companies based in Phoenix, United States30
- Hvac monitoring companies based in Jacksonville, United States29
- Hvac monitoring companies based in Dallas, United States28
- Hvac monitoring companies based in Miami, United States27
- Hvac monitoring companies based in Mississauga, Canada26
- Hvac monitoring companies based in Tampa, United States26
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names hvac monitoring companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many hvac monitoring companies are there worldwide?
RevenueBase identified 7,995 hvac monitoring companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Ventec S.A, headquartered in Worldwide, tops this list with the largest team on record.
Which country has the most hvac monitoring companies?
The United States leads with 4,768 companies, followed by Canada (482) and India (243). Every hvac monitoring companies list by country and city is linked on this page.
Which city has the most hvac monitoring companies?
New York leads with 69 headquartered companies, followed by Houston (66) and Toronto (44).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 20,697 verified decision-maker contacts tracked across these 7,995 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.