Company lists · Data refreshed September 2026

Top 25 Hvac contractors for data centers worldwide

Name: Hvac contractors for data centers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 17,317 companies tracked

RevenueBase identified 17,317 hvac contractors for data centers worldwide as of September 2026 and tracks 237,255 professional contacts across them, including 59,939 with verified work emails and 0 with mobile numbers. The United States is the largest market and Sao Paulo the largest hub.

This list covers hvac contractors for data centers 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 16, 2026. Country and city lists for hvac contractors for data centers 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 16, 2026 86% judged on-target in blind review

17,317Companies

237,255Contacts tracked

59,939Verified emails

0Mobile numbers

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The 25 largest hvac contractors for data centers worldwide

Ranked by team size

Top 25 of 17,317 hvac contractors for data centers worldwide, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to hvac contractors for data centers: 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	Johnson Controls	Indirect evidence	Cork, IrelandHQ checked Sep 16, 2026	10001+	52,736 contacts →
	Indirect evidence “Johnson Controls is a global leader in thermal management, mission-critical building systems, energy efficiency and decarbonization.” Source: RevenueBase Database · checked Sep 16, 2026
2	Equans Belux	Indirect evidence	Brussels, BelgiumHQ checked Sep 16, 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 16, 2026
3	Johnstone Supply	Partial evidence	Portland, OR, United StatesHQ checked Sep 16, 2026	1,001-5,000	2,664 contacts →
	Partial evidence “Making it easier for HVACR contractors to do business.” Source: RevenueBase Database · checked Sep 16, 2026
4	Grupo RCS	Indirect evidence	Brasilia, BrazilHQ checked Sep 16, 2026	5,001-10,000	1,810 contacts →
	Indirect evidence “A RCS é uma empresa de Engenharia especializada em oferecer serviços técnicos de missão crítica com alta tecnologia aplicada, para clientes que necessitam manter suas atividades…” Source: RevenueBase Database · checked Sep 16, 2026
5	Comfort Systems USA	Indirect evidence	Houston, TX, United StatesHQ checked Sep 16, 2026	10001+	1,330 contacts →
	Indirect evidence “Comfort Systems USA \| Quality People.” Source: RevenueBase Database · checked Sep 16, 2026
6	Bravida Danmark A S	Indirect evidence	Brøndby, DenmarkHQ checked Sep 16, 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 16, 2026
7	Mckenney's, INC	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 16, 2026	1,001-5,000	1,077 contacts →
	Indirect evidence “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Source: RevenueBase Database · checked Sep 16, 2026
8	MCI SAS	Indirect evidence	Carquefou, FranceHQ checked Sep 16, 2026	1,001-5,000	943 contacts →
	Indirect evidence “Spécialiste du froid et la climatisation depuis 60 ans, MCI s'engage à vous offrir un grand choix de solutions et de services parfaitement adaptés à vos exigences.” Source: RevenueBase Database · checked Sep 16, 2026
9	Cmta, INC	Indirect evidence	Louisville, KY, United StatesHQ checked Sep 16, 2026	501-1,000	936 contacts →
	Indirect evidence “CMTA is part of Legence, a Nasdaq Listed company.” Source: RevenueBase Database · checked Sep 16, 2026
10	Silent-Aire	Strong evidence	Edmonton, AB, CanadaHQ checked Sep 16, 2026	1,001-5,000	924 contacts →
	Strong evidence “About Silent-Aire Founded in 1994, Silent-Aire is technology driven company that designs, engineers, manufactures and services hyperscale data center solutions.” Source: RevenueBase Database · checked Sep 16, 2026
11	Baltimore Aircoil Company	Indirect evidence	Jessup, MD, United StatesHQ checked Sep 16, 2026	1,001-5,000	906 contacts →
	Indirect evidence “At BAC, we don’t just build cooling systems, we shape the future of sustainable solutions.” Source: RevenueBase Database · checked Sep 16, 2026
12	Bravida Norge AS	Indirect evidence	Oslo, NorwayHQ checked Sep 16, 2026	1,001-5,000	891 contacts →
	Indirect evidence “Bravida gir bygninger liv.” Source: RevenueBase Database · checked Sep 16, 2026
13	Fredon	Partial evidence	Silverwater, AustraliaHQ checked Sep 16, 2026	1,001-5,000	760 contacts →
	Partial evidence “Fredon is an Australian leader in Electrical, HVAC, Infrastructure and Technology services, backed by 24/7 national maintenance capability.” Source: RevenueBase Database · checked Sep 16, 2026
14	Coolsys	Indirect evidence	Brea, CA, United StatesHQ checked Sep 16, 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 16, 2026
15	HTS Engineering	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 16, 2026	1,001-5,000	714 contacts →
	Indirect evidence “Your success is our success.” Source: RevenueBase Database · checked Sep 16, 2026
16	Baker Group	Partial evidence	Ankeny, IA, United StatesHQ checked Sep 16, 2026	1,001-5,000	655 contacts →
	Partial evidence “Established in 1963, Baker Group is Iowa’s premier full-service specialty contractor-serving commercial, industrial, institutional, and mission-critical markets across the country.” Source: RevenueBase Database · checked Sep 16, 2026
17	Temon Serviços	Indirect evidence	São Paulo, BrazilHQ checked Sep 16, 2026	1,001-5,000	628 contacts →
	Indirect evidence “A Temon Serviços é a empresa líder na engenharia de manutenção e operação de sistemas prediais de alta complexidade.” Source: RevenueBase Database · checked Sep 16, 2026
18	Climate Pros, LLC	Partial evidence	Glendale Heights, IL, United StatesHQ checked Sep 16, 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 16, 2026
19	Deem, LLC	Indirect evidence	Indianapolis, IN, United StatesHQ checked Sep 16, 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 16, 2026
20	ONE Hour Heating & AIR Conditioning	Indirect evidence	Phoenix, AZ, United StatesHQ checked Sep 16, 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 16, 2026
21	Texas Airsystems	Partial evidence	Irving, TX, United StatesHQ checked Sep 16, 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 16, 2026
22	Airedale By Modine	Strong evidence	Lexington, United StatesHQ checked Sep 16, 2026	501-1,000	522 contacts →
	Strong evidence “Airedale by Modine is the critical cooling specialist, with the technology and expertise to meet the specific operational demands of data centers worldwide.” Source: RevenueBase Database · checked Sep 16, 2026
23	Airmaster	Partial evidence	Scoresby, AustraliaHQ checked Sep 16, 2026	1,001-5,000	495 contacts →
	Partial evidence “At Airmaster, our goal is to lead the way in integrated building services, combining HVAC & R, building automation, electrical, and fire systems to create smart buildings that are…” Source: RevenueBase Database · checked Sep 16, 2026
24	Therma	Indirect evidence	San Jose, CA, United StatesHQ checked Sep 16, 2026	1,001-5,000	482 contacts →
	Indirect evidence “Therma is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™.” Source: RevenueBase Database · checked Sep 16, 2026
25	Carrier India	Indirect evidence	Gurgaon, IndiaHQ checked Sep 16, 2026	501-1,000	471 contacts →
	Indirect evidence “Founded by Dr.” Source: RevenueBase Database · checked Sep 16, 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 contractors for data centers. 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 contractors for data centers.
Partial evidence: Its own public description names part of hvac contractors for data centers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name hvac contractors for data centers. 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 17,317 hvac contractors for data centers worldwide

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Hvac contractors for data centers worldwide at a glance

As of Sep 16, 2026

25.3%Verified-email coverage

13.7Average contacts per company

11-50Median size (employees)

1.4%Largest-city concentration · Sao Paulo

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

7,720

11-50

6,876

51-200

1,953

201-500

360

501-1,000

1,001-5,000

5,001-10,000

10001+

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 contractors for data centers, 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: 33 countries, largest first: the United States, France, Brazil, the United Kingdom, Canada, India, Italy, Australia, Spain, Germany and 23 more. Country and city lists for hvac contractors for data centers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “hvac contractors for data centers”. 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 contractors for data centers), 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 contractors for data centers, 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, 59,939 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 16, 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 contractors for data centers by location

63 lists · largest first

Every Hvac contractors for data centers 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 contractors for data centers, 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 contractors for data centers are there worldwide?

RevenueBase identified 17,317 hvac contractors for data centers 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?

Johnson Controls, headquartered in Milwaukee, tops this list with the largest team on record.

Which country has the most hvac contractors for data centers?

The United States leads with 7,793 companies, followed by France (1,058) and Brazil (1,032). Every hvac contractors for data centers list by country and city is linked on this page.

Which city has the most hvac contractors for data centers?

Sao Paulo leads with 249 headquartered companies, followed by Houston (123) and New York (102).

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 59,939 verified decision-maker contacts tracked across these 17,317 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 16, 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.