Company lists · Data refreshed September 2026

Top 25 Hvac maintenance companies worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 24,949 companies tracked

RevenueBase identified 24,949 hvac maintenance companies worldwide as of September 2026 and tracks 181,870 professional contacts across them, including 45,473 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers hvac maintenance 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 20, 2026. Country and city lists for hvac maintenance 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.

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

24,949Companies

181,870Contacts tracked

45,473Verified emails

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The 25 largest hvac maintenance companies worldwide

Ranked by team size

Top 25 of 24,949 hvac maintenance companies worldwide, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to hvac maintenance companies: 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	Equans Belux	Indirect evidence	Brussels, BelgiumHQ checked Sep 20, 2026	5,001-10,000	5,297 contacts →
	Indirect evidence “What if you could use your talent to contribute to the great challenges of tomorrow?” Source: RevenueBase Database · checked Sep 20, 2026
2	Bravida Danmark A S	Indirect evidence	Brøndby, DenmarkHQ checked Sep 20, 2026	1,001-5,000	1,298 contacts →
	Indirect evidence “Bravida Danmark er blandt landets største tekniske installations- og servicevirksomheder med over medarbejdere i byer landet over, og vi er en arbejdsplads, der har plads til alle.” Source: RevenueBase Database · checked Sep 20, 2026
3	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
4	Coolsys	Indirect evidence	Brea, CA, United StatesHQ checked Sep 20, 2026	1,001-5,000	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, 2026
5	HTS Engineering	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 20, 2026	1,001-5,000	714 contacts →
	Indirect evidence “Your success is our success.” Source: RevenueBase Database · checked Sep 20, 2026
6	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
7	Climate Pros, LLC	Partial evidence	Glendale Heights, IL, United StatesHQ checked Sep 20, 2026	1,001-5,000	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, 2026
8	Deem, LLC	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 20, 2026	1,001-5,000	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, 2026
9	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
10	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
11	Horizon Services, LLC	Indirect evidence	Wilmington, DE, United StatesHQ checked Sep 20, 2026	501-1,000	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, 2026
12	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
13	Heating Cooling	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 20, 2026	501-1,000	436 contacts →
	Indirect evidence “Desde 1974, a Heating & Cooling atua no segmento de engenharia de instalação de Sistemas de Ar-Condicionado, Ventilação e Exaustão Mecânica, com mais de 2.500 projetos executados.” Source: RevenueBase Database · checked Sep 20, 2026
14	Source Refrigeration & Hvac	Indirect evidence	Brea, CA, United StatesHQ checked Sep 20, 2026	1,001-5,000	420 contacts →
	Indirect evidence “For up-to-date information, please see the CoolSys profile page.” Source: RevenueBase Database · checked Sep 20, 2026
15	John W. Danforth Company	Indirect evidence	Tonawanda, NY, United StatesHQ checked Sep 20, 2026	501-1,000	415 contacts →
	Indirect evidence “We are powered by the best people in the industry.” Source: RevenueBase Database · checked Sep 20, 2026
16	Aire Serv Heating And AIR Conditioning	Indirect evidence	Waco, TX, United StatesHQ checked Sep 20, 2026	201-500	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, 2026
17	AIR Systems, INC	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 20, 2026	201-500	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, 2026
18	United Mechanical	Partial evidence	San Jose, CA, United StatesHQ checked Sep 20, 2026	201-500	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, 2026
19	Logista Hometech	Partial evidence	Arras, FranceHQ checked Sep 20, 2026	1,001-5,000	344 contacts →
	Partial evidence “Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…” Source: RevenueBase Database · checked Sep 20, 2026
20	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
21	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
22	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
23	Boland	Partial evidence	Gaithersburg, MD, United StatesHQ checked Sep 20, 2026	201-500	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, 2026
24	Space Engineering Services LTD	Indirect evidence	Bristol, United KingdomHQ checked Sep 20, 2026	201-500	312 contacts →
	Indirect evidence “Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Source: RevenueBase Database · checked Sep 20, 2026
25	CSC	Partial evidence	Thonotosassa, FL, United StatesHQ checked Sep 20, 2026	51-200	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, 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 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 24,949 hvac maintenance companies worldwide

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Hvac maintenance companies worldwide at a glance

As of Sep 20, 2026

25.0%Verified-email coverage

7.3Average contacts per company

11-50Median size (employees)

0.9%Largest-city concentration · Sao Paulo

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

11,952

11-50

9,562

51-200

2,483

201-500

416

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 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.
Coverage: Every country. Country and city lists for hvac maintenance companies are linked below.
What qualifies: Companies worldwide 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.
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, 45,473 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 location

88 lists · largest first

Every Hvac maintenance companies 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 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 worldwide?

RevenueBase identified 24,949 hvac maintenance 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?

Equans Belux, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most hvac maintenance companies?

The United States leads with 11,479 companies, followed by Canada (1,224) and France (1,220). Every hvac maintenance companies list by country and city is linked on this page.

Which city has the most hvac maintenance companies?

Sao Paulo leads with 214 headquartered companies, followed by Houston (164) and Dubai (144).

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 45,473 verified decision-maker contacts tracked across these 24,949 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.