Company lists · Data refreshed September 2026
Top 25 Hvac companies based in Houston, United States
This directory contains 264 HVAC companies based in Houston, United States, with contact details for 5,410 people and 2,039 email addresses. Houston is the single most-represented city among the companies listed, and the data was published in September 2026.
HVAC companies install, maintain, repair, and replace heating, ventilation, and air conditioning systems for residential, commercial, and industrial customers. This list covers companies that provide HVAC installation, maintenance, repair, replacement, or related services. Ranked by team size, largest first. Data current as of September 7, 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 companies based in Houston, United States
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Indirect evidence | 1,330 contacts → | |||
“Comfort Systems USA | Quality People.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 2 | Strong evidence | 355 contacts → | |||
“RectorSeal is a leading provider of quality solutions for the professional trades serving heating, ventilation and air conditioning (HVAC/R), plumbing, electrical, and…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 3 | Indirect evidence | 316 contacts → | |||
“Nailor Industries, Inc, operating under Nailor International Group, is a privately held, family-owned company with headquarters located in Houston, TX.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 4 | Strong evidence | 178 contacts → | |||
“Hunton Group is proud to be one of the world’s largest independent distributors of Trane commercial, industrial, and residential HVAC systems, equipment, and controls.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 5 | Indirect evidence | 175 contacts → | |||
“Way Engineering's quest for building excellence began in 1918 when a modest, but dedicated refrigeration business opened its doors in Houston, Texas.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 6 | Indirect evidence | 142 contacts → | |||
“Family Owned & Operated since 1965 John Moore Services is a Plumbing, Air Conditioning & Electrical company in Houston, Texas.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 7 | Indirect evidence | 138 contacts → | |||
“We offer superior plumbing, air conditioning, and electrical services to Residential and Commercial clients in Houston,TX.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 8 | Indirect evidence | 122 contacts → | |||
“As the largest producer of Service Valves, Reversing Valves, Electronic Expansion Valves and Microchannel (HVACR) in the world, Sanhua has earned the trust of major HVACR brands…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 9 | Strong evidence | 114 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…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 10 | Strong evidence | 102 contacts → | |||
“Century A/C Supply is a wholesale distributor of HVAC equipment and supplies whose mission is to be an employee-driven company providing customers with service beyond expectations.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 11 | Strong evidence | 88 contacts → | |||
“Gray Mechanical Contractors is a licensed HVAC and Plumbing contractor providing construction services for General Contractors and building owners throughout Texas.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 12 | Indirect evidence | 85 contacts → | |||
“APS is dedicated to building partnerships that enhance the comfort and productivity of our clients and their teams in the workplace.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 13 | Strong evidence | 72 contacts → | |||
“Raven Mechanical, founded 1979, is a full service mechanical contractor specializing in Plumbing and HVAC service and construction.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 14 | Indirect evidence | 67 contacts → | |||
“When it comes to maintaining comfort, keeping the lights on and water flowing, no one can compete with hometown heroes.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 15 | Strong evidence | 64 contacts → | |||
“Founded in 1974, DWD International designs, manufactures, installs, and maintains industrial HVAC, pressurization, filtration and control systems that can withstand the most…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 16 | Indirect evidence | 63 contacts → | |||
“CFI Mechanical was founded in Sugar Land, Texas in April 1996.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 17 | Indirect evidence | 50 contacts → | |||
“COMFORT WITHOUT CONCERN™ We’re on a mission to perfect the experience of home comfort.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 18 | Strong evidence | 50 contacts → | |||
“Founded in 1955, HAR-CON is a full service mechanical contractor well versed in Plumbing and HVAC.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 19 | Indirect evidence | 42 contacts → | |||
“Way Companies is a full-service commercial and industrial HVACR contractor delivering mechanical design-build, preventative maintenance, emergency service, retrofits, and building…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 20 | Strong evidence | 41 contacts → | |||
“As a leading HVAC retrofit, design, build, and services firm based in Houston, Comfort Systems USA - South Central specializes in installing, maintaining, and upgrading mechanical…” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 21 | Strong evidence | 39 contacts → | |||
“Since RDI Mechanical has been Houston's go-to commercial HVAC and mechanical contractor.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 22 | Strong evidence | 32 contacts → | |||
“Founded in 1963, Roessler Equipment Company is the leading supplier of commercial HVAC products in the Houston, Texas region.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 23 | Indirect evidence | 31 contacts → | |||
“Located in Houston, Texas, Air Texas Mechanical, Inc.” Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 24 | Indirect evidence | 30 contacts → | |||
Source: company website · checked Sep 7, 2026Thanks. The Data Team will review it. | |||||
| 25 | Indirect evidence | 29 contacts → | |||
“Refrigerated Warehouse Construction is a Design/Build Refrigeration company.” Source: company website · checked Sep 7, 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 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 companies.
- Partial evidence
- Its own public description names part of hvac companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hvac 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 264 hvac companies based in Houston, United States
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Hvac companies based in Houston, United States at a glance
As of Sep 7, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 264 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 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 Houston, United States whose own description of what they do matches “hvac 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 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 companies, and records with no verified work email. Companies headquartered outside Houston 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, 2,039 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 7, 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 companies by metro in the United States
- Hvac companies in Houston264
- Hvac companies in New York200
- Hvac companies in Dallas127
- Hvac companies in Phoenix127
- Hvac companies in San Antonio126
- Hvac companies in Miami113
- Hvac companies in Tampa110
- Hvac companies in Indianapolis103
- Hvac companies in Jacksonville102
- Hvac companies in Denver97
- Hvac companies in Austin88
- Hvac companies in Las Vegas86
- Hvac companies in Charlotte85
- Hvac companies in Orlando83
- Hvac companies in Louisville80
- Hvac companies in Chicago72
- Hvac companies in San Diego70
- Hvac companies in Nashville69
- Hvac companies in Atlanta68
- Hvac companies in Raleigh68
- Hvac companies in Mesa66
- Hvac companies in Cincinnati63
- Hvac companies in Los Angeles63
- Hvac companies in Richmond63
- Hvac companies in Columbus61
- Hvac companies in Fort Worth61
- Hvac companies in Tucson60
- Hvac companies in Portland59
- Hvac companies in San Jose55
- Hvac companies in Springfield55
- Hvac companies in Columbia54
- Hvac companies in Sacramento53
- Hvac companies in Albuquerque51
- Hvac companies in Greenville51
- Hvac companies in Rochester50
- Hvac companies in Colorado Springs49
- Hvac companies in Lexington49
- Hvac companies in Salt Lake City49
- Hvac companies in Wilmington48
- Hvac companies in Fort Myers47
- Hvac companies in Memphis47
- Hvac companies in Oklahoma City47
- Hvac companies in Philadelphia46
- Hvac companies in Sarasota46
- Hvac companies in Knoxville45
- Hvac companies in Birmingham43
- Hvac companies in Dayton43
- Hvac companies in Pittsburgh43
- Hvac companies in Tulsa43
- Hvac companies in Anaheim41
- Hvac companies in Omaha41
- Hvac companies in Pompano Beach41
- Hvac companies in Tempe41
- Hvac companies in Lancaster40
- Hvac companies in Cleveland39
- Hvac companies in Fort Lauderdale39
- Hvac companies in Glendale39
- Hvac companies in Arlington38
- Hvac companies in Clearwater37
- Hvac companies in Kansas City37
- Hvac companies in Englewood36
- Hvac companies in Greensboro36
- Hvac companies in Auburn35
- Hvac companies in Baltimore35
- Hvac companies in Marietta35
- Hvac companies in Gainesville34
- Hvac companies in Brooklyn33
- Hvac companies in Canton33
- Hvac companies in Spring33
- Hvac companies in Baton Rouge32
- Hvac companies in Burlington32
- Hvac companies in Chandler32
- Hvac companies in Grand Rapids32
- Hvac companies in Madison32
- Hvac companies in Seattle32
- Hvac companies in West Palm Beach32
- Hvac companies in Aurora31
- Hvac companies in Gilbert31
- Hvac companies in Bronx30
- Hvac companies in Vancouver30
- Hvac companies in Boca Raton29
- Hvac companies in Carrollton29
- Hvac companies in Monroe29
- Hvac companies in Plano29
- Hvac companies in Riverside29
- Hvac companies in Sterling29
- Hvac companies in Fayetteville28
- Hvac companies in Virginia Beach28
- Hvac companies in West Chester28
- Hvac companies in Katy27
- Hvac companies in Pensacola27
- Hvac companies in Tacoma27
- Hvac companies in Chesapeake26
- Hvac companies in Concord26
- Hvac companies in Covington26
- Hvac companies in El Paso26
- Hvac companies in Round Rock26
- Hvac companies in Alexandria25
- Hvac companies in Buffalo25
- Hvac companies in Corona25
- Hvac companies in Decatur25
- Hvac companies in Jackson25
- Hvac companies in Lubbock25
- Hvac companies in Minneapolis25
- Hvac companies in Peoria25
- Hvac companies in Wichita25
Frequently asked
How many HVAC companies are based in Houston, United States?
This list contains 264 HVAC companies based in Houston, United States.
Where are most HVAC companies located?
Houston is the single most-represented city among the companies on this list.
How can I find contacts at HVAC companies?
The directory includes contact details for 5,410 people and 2,039 email addresses associated with the listed HVAC companies.
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Hvac companies by geography
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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.