Company lists · Data refreshed September 2026

Top 25 Hvac associations worldwide

Name: Hvac associations worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 10,123 companies tracked

RevenueBase identified 10,123 hvac associations worldwide as of September 2026 and tracks 104,066 professional contacts across them, including 31,025 with verified work emails. The United States is the largest market and Houston the largest hub.

This list covers hvac associations 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 associations 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

10,123Companies

104,066Contacts tracked

31,025Verified emails

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The 25 largest hvac associations worldwide

Ranked by team size

Top 25 of 10,123 hvac associations worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to hvac associations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Johnstone Supply	Indirect evidence	Portland, OR, United StatesHQ checked Sep 20, 2026	1,001-5,000	2,664 contacts →
	Indirect evidence “Making it easier for HVACR contractors to do business.” Source: RevenueBase Database · checked Sep 20, 2026
2	Goodman AIR Conditioning & Heating	Indirect evidence	Waller, TX, United StatesHQ checked Sep 20, 2026	10001+	2,375 contacts →
	Indirect evidence “Since 1982, Goodman Manufacturing has had one goal: provide customers with reliable, high-quality, energy-efficient, and affordable indoor comfort products.” Source: RevenueBase Database · checked Sep 20, 2026
3	Carrier Enterprise	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 20, 2026	1,001-5,000	1,891 contacts →
	Indirect evidence “Carrier Enterprise is a joint venture between Watsco, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
4	WSFCS	Partial evidence	United StatesHQ checked Sep 20, 2026	n/a	1,446 contacts →
	Partial evidence “Thermal Resource Sales, Inc.(TRS) provides exclusive representation and sales for manufacturers of commercial and industrial HVAC and plumbing equipment in the states of North…” Source: RevenueBase Database · checked Sep 20, 2026
5	Master	Indirect evidence	Saint-bruno-de-montarville, QC, CanadaHQ checked Sep 20, 2026	1,001-5,000	1,007 contacts →
	Indirect evidence “For more than 70 years, we've been making a difference, in every degree.” Source: RevenueBase Database · checked Sep 20, 2026
6	Ventec S.A	Indirect evidence	Casablanca, MoroccoHQ checked Sep 20, 2026	1,001-5,000	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, 2026
7	R.E. Michel Company, LLC	Indirect evidence	Glen Burnie, MD, United StatesHQ checked Sep 20, 2026	1,001-5,000	873 contacts →
	Indirect evidence “The R.E.” Source: RevenueBase Database · checked Sep 20, 2026
8	Concepcion-Carrier AIR Conditioning Company Ccac	Indirect evidence	Alabang, PhilippinesHQ checked Sep 20, 2026	501-1,000	670 contacts →
	Indirect evidence “Formed in January 1998, Concepcion-Carrier Air Conditioning Company (CCAC) brings together two leaders in the air conditioning industry: Carrier Corporation of the United States…” Source: RevenueBase Database · checked Sep 20, 2026
9	Apex Service Partners	Partial evidence	Dallas, TX, United StatesHQ checked Sep 20, 2026	51-200	587 contacts →
	Partial evidence “Apex Service Partners is a HVAC, plumbing and electrical services group whose goal is to partner with world-class service providers to build an industry leading national platform.” Source: RevenueBase Database · checked Sep 20, 2026
10	Gemaire Distributors	Indirect evidence	Deerfield Beach, FL, United StatesHQ checked Sep 20, 2026	501-1,000	581 contacts →
	Indirect evidence “Gemaire is one of the largest independent distributor of heating, air conditioning, refrigeration equipment, parts and supplies in the world.” Source: RevenueBase Database · checked Sep 20, 2026
11	ONE Hour Heating & AIR Conditioning	Indirect evidence	Phoenix, AZ, United StatesHQ checked Sep 20, 2026	1,001-5,000	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, 2026
12	Texas Airsystems	Partial evidence	Irving, TX, United StatesHQ checked Sep 20, 2026	201-500	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, 2026
13	Daikin Applied Europe	Partial evidence	Ariccia, ItalyHQ checked Sep 20, 2026	1,001-5,000	506 contacts →
	Partial evidence “Daikin Applied Europe is a multinational company manufacturing and supplying components for hydronic HVAC systems (chillers, air handling units and system management solutions)…” Source: RevenueBase Database · checked Sep 20, 2026
14	CIAT	Partial evidence	FranceHQ checked Sep 20, 2026	1,001-5,000	490 contacts →
	Partial evidence “CIAT has over 90 years of experience as one of Europes leading names in the HVAC industry for creating innovative, durable and high-performing products, with a speciality on…” Source: RevenueBase Database · checked Sep 20, 2026
15	Mingledorff's	Indirect evidence	Norcross, GA, United StatesHQ checked Sep 20, 2026	501-1,000	483 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026
16	Diversitech Corporation	Indirect evidence	Duluth, GA, United StatesHQ checked Sep 20, 2026	201-500	457 contacts →
	Indirect evidence “DiversiTech Corporation is North America’s largest manufacturer of equipment pads and a leading manufacturer and supplier of components and related products for the heating…” Source: RevenueBase Database · checked Sep 20, 2026
17	Mestek, INC	Indirect evidence	Westfield, MA, United StatesHQ checked Sep 20, 2026	501-1,000	449 contacts →
	Indirect evidence “Today, Mestek is a family of over 45 specialty manufacturers providing heating, ventilating, and air conditioning products, coil handling equipment, extruded aluminum products…” Source: RevenueBase Database · checked Sep 20, 2026
18	Hoffman & Hoffman, INC	Indirect evidence	Greensboro, NC, United StatesHQ checked Sep 20, 2026	1,001-5,000	445 contacts →
	Indirect evidence “Since 1947, Hoffman & Hoffman, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
19	UAT	Partial evidence	United StatesHQ checked Sep 20, 2026	201-500	412 contacts →
	Partial evidence “Founded in 1931, UAT is the largest Residential HVAC Corporation on the eastern seaboard.” Source: RevenueBase Database · checked Sep 20, 2026
20	Carmichael Engineering LTD	Partial evidence	Montreal, QC, CanadaHQ checked Sep 20, 2026	501-1,000	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, 2026
21	Brady Services	Indirect evidence	Greensboro, NC, United StatesHQ checked Sep 20, 2026	501-1,000	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, 2026
22	Lennox National Account Services	Partial evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 20, 2026	10001+	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, 2026
23	Havtech	Partial evidence	Columbia, MD, United StatesHQ checked Sep 20, 2026	201-500	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, 2026
24	Habegger Corporation	Partial evidence	Cincinnati, OH, United StatesHQ checked Sep 20, 2026	501-1,000	330 contacts →
	Partial evidence “The Habegger Corporation \| Complete HVAC Solutions since 1952.” Source: RevenueBase Database · checked Sep 20, 2026
25	Gustave A. Larson	Indirect evidence	Pewaukee, WI, United StatesHQ checked Sep 20, 2026	201-500	324 contacts →
	Indirect evidence “Gustave A.” Source: RevenueBase Database · checked Sep 20, 2026

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 associations. 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 associations.
Partial evidence: Its own public description names part of hvac associations, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name hvac associations. 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 10,123 hvac associations worldwide

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Hvac associations worldwide at a glance

As of Sep 20, 2026

29.8%Verified-email coverage

10.3Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · Houston

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

4,721

11-50

3,801

51-200

1,092

201-500

250

501-1,000

1,001-5,000

5,001-10,000

10001+

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 associations, 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 associations are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “hvac associations”. 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 associations), 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 associations, 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, 31,025 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 associations by location

40 lists · largest first

Every Hvac associations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 associations, 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 associations are there worldwide?

RevenueBase identified 10,123 hvac associations 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?

Johnstone Supply, headquartered in Portland, tops this list with the largest team on record.

Which country has the most hvac associations?

The United States leads with 6,312 companies, followed by Canada (620) and India (265). Every hvac associations list by country and city is linked on this page.

Which city has the most hvac associations?

Houston leads with 113 headquartered companies, followed by New York (83) and San Antonio (50).

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 31,025 verified decision-maker contacts tracked across these 10,123 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.