Company lists · Data refreshed September 2026
Top 25 Hvac calculation software companies worldwide
RevenueBase identified 1,125 hvac calculation software companies worldwide as of September 2026 and tracks 11,209 professional contacts across them, including 2,930 with verified work emails. The United States is the largest market and London the largest hub.
This list covers hvac calculation software 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 28, 2026. Country and city lists for hvac calculation software 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 calculation software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 418 contacts → | ||||
Partial evidence “Comfort, designed around you – Since 1955, Ferroli has been a trusted name in HVAC, delivering innovative solutions for heating, cooling and hot water that combine comfort, energy…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 213 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 135 contacts → | ||||
Partial evidence “Motili offers scalable turnkey HVAC technology, products, and solutions for residential and commercial properties large and small, across the United States.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 134 contacts → | ||||
Partial evidence “AirReps offers distinct advantages in solving challenging problems that often arise in HVAC design and installation projects.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 127 contacts → | ||||
Partial evidence “Addison is a leading supplier of HVAC cooling and dehumidification equipment for commercial and industrial applications with extensive experience in treating ventilation air.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 117 contacts → | ||||
Indirect evidence “Fondée en 1975, d’abord sous le nom de Roland Guillemette Inc, l’entreprise ITC Technologies a su développer au fil des années une expertise de qualité comme agent manufacturier…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 103 contacts → | ||||
Partial evidence “Exceeding expectations since 1971, Seasons 4 has been providing custom HVAC systems for supermarkets, schools, commercial and office buildings, government facilities, and other…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 97 contacts → | ||||
Partial evidence “Daikin Applied (UK) Ltd (formerly McQuay UK Ltd) is the market leader in energy-efficient end-to-end HVAC solutions, including AHU and chiller products, heat pumps, service and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 96 contacts → | ||||
Partial evidence “Meeting Your Needs.Exceeding Your Expectations" For over 70 years, Atomatic Mechanical Services has been dedicated to quality design, installation and service of HVAC systems for…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 89 contacts → | ||||
Partial evidence “Olympic International is a premier provider of heating, ventilating and air conditioning (HVAC) equipment design, engineering support and training serving Western Canada.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 89 contacts → | ||||
Partial evidence “BAULNE is a company based in Montreal and Quebec City, providing HVAC building mechanics services (heating/cooling) for the following sectors: industrial, commercial…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 88 contacts → | ||||
Indirect evidence “Fox Cooling Co.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 80 contacts → | ||||
Partial evidence “At Daikin TMi LLC, we provide HVAC equipment and integrated building control solutions that keep building environments focused on their operations.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 73 contacts → | ||||
Indirect evidence “At Norman S.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 73 contacts → | ||||
Partial evidence “Powrmatic is a leading manufacturer and solution provider of advanced HVAC systems, including warm air heating, radiant heating, electric and water-based systems, as well as…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 69 contacts → | ||||
Partial evidence “Midwest Mechanical Solutions solves problems through applied HVAC solutions.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 65 contacts → | ||||
Indirect evidence “Luftek® Engineering Private Limited Company Has been established to deliver the market needs of Quality and Innovative Air Conditioning products.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 65 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 64 contacts → | ||||
Partial evidence “Founded in 1996, ARC Mechanical offers a full range of commercial and industrial HVAC/R services, including 24/7 emergency response.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 61 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 60 contacts → | ||||
Indirect evidence “Action Air Conditioning, Heating & Solar offers state-of-the-art products and services for both residential and commercial heating and air conditioning systems.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 54 contacts → | ||||
Partial evidence “United CoolAir manufactures 3 to 90 ton "All-Indoor" Modular HVAC Solution systems for Commercial & Industrial Cooling as well as 100% Outside Air applications.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 53 contacts → | ||||
Indirect evidence “A Tradition of Comfort in Heating and Cooling Custom Air Conditioning and Heating has been providing both commercial and residential heating and cooling solutions for Columbus and…” Source: RevenueBase Database · checked Sep 28, 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 calculation 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 calculation software companies.
- Partial evidence
- Its own public description names part of hvac calculation 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 calculation 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 1,125 hvac calculation software companies worldwide
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Hvac calculation software companies worldwide at a glance
As of Sep 28, 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 calculation 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.
- Coverage
- Every country. Country and city lists for hvac calculation software companies are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “hvac calculation 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 calculation 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 calculation software 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, 2,930 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 28, 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 calculation software companies by location
4 lists · largest firstEvery Hvac calculation software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 calculation 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 calculation software companies are there worldwide?
RevenueBase identified 1,125 hvac calculation software 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?
Texas Airsystems, headquartered in Irving, tops this list with the largest team on record.
Which country has the most hvac calculation software companies?
The United States leads with 362 companies, followed by Canada (53) and the United Kingdom (46). Every hvac calculation software companies list by country and city is linked on this page.
Which city has the most hvac calculation software companies?
London leads with 8 headquartered companies, followed by New Delhi (8) and Pune (8).
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 2,930 verified decision-maker contacts tracked across these 1,125 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 28, 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.