Company lists · Data refreshed September 2026

Top 25 Hvac consulting firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 36,876 companies tracked

RevenueBase identified 36,876 company matches for hvac consulting firms worldwide as of September 2026 and tracks 342,471 professional contacts across them, including 99,789 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for hvac consulting firms worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 28, 2026. Country and city lists for hvac consulting firms follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 28, 2026 How this list was built

36,876Companies

342,471Contacts tracked

99,789Verified emails

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The 25 largest hvac consulting firms worldwide

Ranked by team size

Top 25 of 36,876 company matches for hvac consulting firms worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	5,001-10,000	5,297 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Daikin Applied Americas	Exact match	Minneapolis, MN, United StatesHQ recorded Sep 28, 2026	10001+	4,204 contacts →
	Exact match “Daikin Applied delivers superior air quality and energy efficiency to every solution with innovation in advanced technology, IoT, and next generation compressors.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Sep 28, 2026	10001+	1,330 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Sep 28, 2026	1,001-5,000	1,298 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Aaon, INC	Exact match	Tulsa, OK, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,208 contacts →
	Exact match “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	OLA	Exact match	Austin, TX, United StatesHQ recorded Sep 28, 2026	n/a	1,145 contacts →
	Exact match “OLA Sustainability, LLC OLA Sustainability is a consulting firm that focuses on integrating sustainable practices into commercial and multifamily design projects.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Mckenney's, INC	Exact match	Atlanta, GA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	1,077 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	BTP Consultants	Exact match	Montigny-le-bretonneux, FranceHQ recorded Sep 28, 2026	201-500	1,066 contacts →
	Exact match “BTP Consultants est un bureau de ̂, et présent à l'échelle nationale depuis plus de.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	Ventec S.A	Exact match	Casablanca, MoroccoHQ recorded Sep 28, 2026	1,001-5,000	959 contacts →
	Exact match “La Société Ventec a été créée au Maroc en 1949 par Monsieur Albert MARQUET Président Directeur Général de Ventec en France.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
10	MCI SAS	Exact match	Carquefou, FranceHQ recorded Sep 28, 2026	1,001-5,000	943 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Cmta, INC	Exact match	Louisville, KY, United StatesHQ recorded Sep 28, 2026	501-1,000	936 contacts →
	Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	Syska Hennessy Group	Exact match	New York, United StatesHQ recorded Sep 28, 2026	501-1,000	803 contacts →
	Exact match “Consult Engineer Commission At Syska Hennessy Group, we create exceptional environments.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Feenstra	Exact match	Lelystad, NetherlandsHQ recorded Sep 28, 2026	1,001-5,000	781 contacts →
	Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	Coolsys	Exact match	Brea, CA, United StatesHQ recorded Sep 28, 2026	1,001-5,000	750 contacts →
	Exact match “CoolSys solves the most complex challenges in refrigeration, air conditioning, heating, engineering, and energy management.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	HTS Engineering	Exact match	Toronto, ON, CanadaHQ recorded Sep 28, 2026	1,001-5,000	714 contacts →
	Exact match “Your success is our success.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Linc Facility Services	Exact match	United StatesHQ recorded Sep 28, 2026	1,001-5,000	712 contacts →
	Exact match “The Linc Group is an award-winning provider of integrated facilities management, HVAC and building systems services, lighting and electrical solutions, and other support services…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	Smith Andersen	Exact match	Toronto, ON, CanadaHQ recorded Sep 28, 2026	501-1,000	672 contacts →
	Exact match “What does it take to be one of Canada’s most respected integrated engineering firms?” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Hamon Group	Exact match	Seraing, BelgiumHQ recorded Sep 28, 2026	1,001-5,000	662 contacts →
	Exact match “The Hamon Group does not exist anymore.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Tecnico	Exact match	ItalyHQ recorded Sep 28, 2026	10001+	596 contacts →
	Exact match “Tecnico is a company based out of Italy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	F.E. Moran Group Of Companies	Exact match	Northbrook, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	564 contacts →
	Exact match “At F.E.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Climate Pros, LLC	Exact match	Glendale Heights, IL, United StatesHQ recorded Sep 28, 2026	1,001-5,000	554 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Deem, LLC	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 28, 2026	1,001-5,000	539 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	ONE Hour Heating & AIR Conditioning	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 28, 2026	1,001-5,000	526 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Texas Airsystems	Exact match	Irving, TX, United StatesHQ recorded Sep 28, 2026	201-500	523 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Colt International	Exact match	Petersfield, United KingdomHQ recorded Sep 28, 2026	1,001-5,000	505 contacts →
	Exact match “Since 1931 we have been harnessing the natural elements to provide healthy, comfortable and safe working and living conditions in buildings.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “hvac consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 36,876 hvac consulting firms worldwide

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Hvac consulting firms worldwide at a glance

As of Sep 28, 2026

29.1%Verified-email coverage

9.3Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · Sao Paulo

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

17,771

11-50

13,619

51-200

3,880

201-500

739

501-1,000

194

1,001-5,000

118

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for hvac consulting firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “hvac consulting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 99,789 professional contacts with verified work emails across the full matched dataset. 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.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Hvac consulting firms by location

140 lists · largest first

Every Hvac consulting firms 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 SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “hvac consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac consulting firms are there worldwide?

RevenueBase identified 36,876 company matches for hvac consulting firms worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Equans Belux tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most hvac consulting firms?

The United States leads with 12,112 companies, followed by France (2,397) and the United Kingdom (1,680). Every hvac consulting firms list by country and city is linked on this page.

Which city has the most hvac consulting firms?

Sao Paulo leads with 361 company records, followed by Houston (180) and London (179).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 99,789 professional contacts with verified work emails tracked across these 36,876 companies; direct dials are available where recorded.

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 SmartSearch, 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.