Company lists · Data refreshed September 2026
Top 25 Hvac maintenance companies based in the United States
RevenueBase identified 11,479 hvac maintenance companies headquartered in the United States as of September 2026 and tracks 95,699 professional contacts across them, including 28,132 with verified work emails. Houston is the largest hub.
This list covers hvac maintenance companies headquartered in the United States, 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.
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 maintenance companies based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 750 contacts → | ||||
Indirect evidence “CoolSys solves the most complex challenges in refrigeration, air conditioning, heating, engineering, and energy management.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 554 contacts → | ||||
Partial evidence “At Climate Pros, LLC, we are a leading commercial refrigeration and HVAC company specializing in the design, construction, and servicing of refrigeration systems across thousands…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 539 contacts → | ||||
Indirect evidence “DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 526 contacts → | ||||
Indirect evidence “When homeowners want a reliable heater or air conditioning system that they don’t have to think about, they call One Hour Heating & Air Conditioning.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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. | |||||
| 6 | 448 contacts → | ||||
Indirect evidence “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” 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 | 420 contacts → | ||||
Indirect evidence “For up-to-date information, please see the CoolSys profile page.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 415 contacts → | ||||
Indirect evidence “We are powered by the best people in the industry.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 369 contacts → | ||||
Indirect evidence “For consumer services visit To discover more about franchise opportunities with Aire Serv® in your area visit Established in 1992, Aire Serv® is a global franchise organization…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 348 contacts → | ||||
Indirect evidence “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 346 contacts → | ||||
Partial evidence “United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 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. | |||||
| 14 | 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. | |||||
| 15 | 330 contacts → | ||||
Partial evidence “The Habegger Corporation | Complete HVAC Solutions since 1952.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 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. | |||||
| 17 | 310 contacts → | ||||
Partial evidence “CSC is a one stop shop for servicing HVAC, refrigeration, and cooking equipment in McDonald's restaurants.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 303 contacts → | ||||
Partial evidence “At Goettl, our mission is to "Goettlize the Nation" by setting the industry standard in HVAC and plumbing services.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 290 contacts → | ||||
Partial evidence “Tech 24 is the service industry leader, providing fast, complete, multi-regional repair and preventive plan solutions for commercial refrigeration, cooking, beverage and HVAC…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 260 contacts → | ||||
Partial evidence “Hobbs & Associates is a leading independent HVAC provider serving Virginia, Washington DC, Maryland, and Tennessee, with partners across the Southeast.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 259 contacts → | ||||
Indirect evidence “At The Arcticom Group (TAG), our family of best-in-market operating companies delivers the highest-quality service and customer experience in commercial and industrial HVACR.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 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. | |||||
| 23 | 240 contacts → | ||||
Partial evidence “Daikin is a multinational and leading provider of HVAC (Heating, Ventilation, Air Conditioning and Refrigeration) solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 231 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 227 contacts → | ||||
Indirect evidence “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…” 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 maintenance 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 maintenance companies.
- Partial evidence
- Its own public description names part of hvac maintenance companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hvac maintenance 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 11,479 hvac maintenance companies based in the United States
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Hvac maintenance companies based in the United States at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 11,479 companies.
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 maintenance 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.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “hvac maintenance 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 maintenance 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 maintenance companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
- 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, 28,132 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 maintenance companies by metro
- Hvac maintenance companies in Houston164
- Hvac maintenance companies in New York115
- Hvac maintenance companies in San Antonio87
- Hvac maintenance companies in Phoenix77
- Hvac maintenance companies in Tampa71
- Hvac maintenance companies in Dallas69
- Hvac maintenance companies in Indianapolis58
- Hvac maintenance companies in Miami58
- Hvac maintenance companies in Austin57
- Hvac maintenance companies in Denver57
- Hvac maintenance companies in Orlando54
- Hvac maintenance companies in Las Vegas53
- Hvac maintenance companies in Jacksonville51
- Hvac maintenance companies in Charlotte50
- Hvac maintenance companies in Louisville48
- Hvac maintenance companies in Fort Worth43
- Hvac maintenance companies in Raleigh43
- Hvac maintenance companies in San Diego42
- Hvac maintenance companies in Chicago41
- Hvac maintenance companies in Mesa41
- Hvac maintenance companies in Tucson39
- Hvac maintenance companies in Cincinnati37
- Hvac maintenance companies in Columbus37
- Hvac maintenance companies in San Jose36
- Hvac maintenance companies in Los Angeles35
- Hvac maintenance companies in Richmond35
- Hvac maintenance companies in Anaheim34
- Hvac maintenance companies in Columbia34
- Hvac maintenance companies in Nashville34
- Hvac maintenance companies in Greenville33
- Hvac maintenance companies in Portland33
- Hvac maintenance companies in Springfield33
- Hvac maintenance companies in Wilmington32
- Hvac maintenance companies in Fort Myers31
- Hvac maintenance companies in Lexington30
- Hvac maintenance companies in Pompano Beach30
- Hvac maintenance companies in Sarasota30
- Hvac maintenance companies in Tulsa30
- Hvac maintenance companies in Salt Lake City29
- Hvac maintenance companies in Atlanta28
- Hvac maintenance companies in Colorado Springs28
- Hvac maintenance companies in Knoxville28
- Hvac maintenance companies in Sacramento28
- Hvac maintenance companies in Spring28
- Hvac maintenance companies in Fort Lauderdale27
- Hvac maintenance companies in Glendale27
- Hvac maintenance companies in Omaha27
- Hvac maintenance companies in Arlington26
- Hvac maintenance companies in Gainesville26
- Hvac maintenance companies in Tempe26
- Hvac maintenance companies in Albuquerque25
- Hvac maintenance companies in Marietta25
- Hvac maintenance companies in Memphis25
- Hvac maintenance companies in West Palm Beach25
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 maintenance 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 maintenance companies are there based in the United States?
RevenueBase identified 11,479 hvac maintenance companies headquartered in the United States 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?
Coolsys, headquartered in Brea, tops this list with the largest team on record.
Which city has the most hvac maintenance companies?
Houston leads with 164 headquartered companies, followed by New York (115) and San Antonio (87).
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 28,132 verified decision-maker contacts tracked across these 11,479 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.
Ready to reach these companies? Verified emails and direct dials for all 11,479 hvac maintenance companies based in the United States. 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 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.
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