Company lists · Data refreshed September 2026
Top 25 Hvac software companies based in Houston, United States
RevenueBase identified 77 hvac software companies headquartered in Houston, United States as of September 2026 and tracks 1,133 professional contacts across them, including 368 with verified work emails. New York is the largest hub.
This list covers hvac software companies headquartered in Houston, 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 14, 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 software companies based in Houston, United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 316 contacts → | ||||
Indirect evidence “Nailor Industries, Inc, operating under Nailor International Group, is a privately held, family-owned company with headquarters located in Houston, TX.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 2 | 122 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 3 | 114 contacts → | ||||
Partial evidence “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: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 4 | 42 contacts → | ||||
Indirect evidence “Way Companies is a full-service commercial and industrial HVACR contractor delivering mechanical design-build, preventative maintenance, emergency service, retrofits, and building…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 5 | 41 contacts → | ||||
Partial evidence “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: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 6 | 32 contacts → | ||||
Partial evidence “Founded in 1963, Roessler Equipment Company is the leading supplier of commercial HVAC products in the Houston, Texas region.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 7 | 27 contacts → | ||||
Indirect evidence “Allstyle Coil Company is a manufacturer of residential & commercial air conditioning equipment.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 8 | 26 contacts → | ||||
Partial evidence “We are a full-service commercial HVAC mechanical contractor with over 35 years of experience in the field.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 9 | 23 contacts → | ||||
Partial evidence “Established in 2005, Comflow Mechanical Services is a leading provider in commercial HVAC services in Houston, Tx.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 10 | 21 contacts → | ||||
Partial evidence “Lashley & Associates is a manufacturer's representative, as well as a distributor for major manufacturing companies serving the Heating, Ventilation, and Air Conditioning (HVAC)…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 11 | 18 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 12 | 17 contacts → | ||||
Indirect evidence “Facilities Mechanical is a facilities services company based out of 12933 Brittmoore Park Dr, Houston, Texas, United States.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Partial evidence “Cook Mechanical is a HVAC contractor serving the greater Houston area.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 15 | 14 contacts → | ||||
Indirect evidence “Air Tech of Houston is a customer focused heating and air-conditioning company that was originally started in 1985.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 contacts → | ||||
Indirect evidence “UJ GROUP has been trading varieties of products since 1998.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 17 | 11 contacts → | ||||
Indirect evidence “Trilogy Services A/C is one of the leaders in commercial Air conditioning and heating installations in Houston.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 18 | 10 contacts → | ||||
Partial evidence “Southland Mechanical is a premier commercial and industrial HVAC construction and service provider delivering industrial-strength HVAC solutions across the Houston metropolitan…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Partial evidence “Be Cool A/C & Heating is a licensed and insured, family-owned HVAC company, serving Houston and surrounding areas.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Partial evidence “Hage Energy is a Houston-based HVAC and home performance company specializing in residential and light-commercial air conditioning, heating, and energy-efficiency solutions across…” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 22 | 6 contacts → | ||||
Indirect evidence “We provide services that include A/C Heat installation, Repair, Maintenance, and Retrofits to residential and commercial customers.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “With more than 34 years in the heating and cooling business, M.E.” Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 14, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Partial evidence “The Lee Thompson Company for more than 60 years has been providing quick, quality commercial and residential HVAC services throughout the Houston area.” Source: RevenueBase Database · checked Sep 14, 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 software 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 software companies.
- Partial evidence
- Its own public description names part of hvac software companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hvac software 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 77 hvac software companies based in Houston, United States
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Hvac software companies based in Houston, United States at a glance
As of Sep 14, 2026Companies by employee count
Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 77 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 software 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 software 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 software 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 software 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, 368 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 14, 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 software companies by metro in the United States
- Hvac software companies in New York85
- Hvac software companies in Houston77
- Hvac software companies in Miami43
- Hvac software companies in San Antonio33
- Hvac software companies in Dallas32
- Hvac software companies in Phoenix32
- Hvac software companies in Charlotte28
- Hvac software companies in Orlando27
- Hvac software companies in Austin26
- Hvac software companies in Jacksonville26
- Hvac software companies in Indianapolis25
- Hvac software companies in San Diego25
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 software 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 software companies are there based in Houston, United States?
RevenueBase identified 77 hvac software companies headquartered in Houston, 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?
Nailor Industries, INC, headquartered in Houston, tops this list with the largest team on record.
Which city has the most hvac software companies?
New York leads with 85 headquartered companies, followed by Houston (77) and Miami (43).
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 368 verified decision-maker contacts tracked across these 77 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 14, 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.
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