Company lists · Data refreshed October 2026

Top 25 Green hvac contractors worldwide

Name: Green hvac contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 13, 2026 38,299 companies tracked

RevenueBase identified 38,299 company matches for green hvac contractors worldwide as of October 2026 and tracks 333,789 professional contacts across them, including 86,202 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for green hvac contractors 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 October 13, 2026. Country and city lists for green hvac contractors 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 Oct 13, 2026 How this list was built

38,299Companies

333,789Contacts tracked

86,202Verified emails

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The 25 largest green hvac contractors worldwide

Ranked by team size

Top 25 of 38,299 company matches for green hvac contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 13, 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	Blue Star Limited	Exact match	Mumbai, IndiaHQ recorded Oct 13, 2026	1,001-5,000	6,654 contacts →
	Exact match “Blue Star Limited is India’s leading air conditioning and commercial refrigeration company with over eight decades of experience in providing expert cooling solutions.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
2	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Oct 13, 2026	5,001-10,000	5,347 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
3	Daikin Applied Americas	Exact match	Minneapolis, MN, United StatesHQ recorded Oct 13, 2026	10001+	4,352 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 · Oct 13, 2026 · View company records in RevenueBase
4	Reliance Home Comfort	Exact match	Toronto, ON, CanadaHQ recorded Oct 13, 2026	1,001-5,000	1,602 contacts →
	Exact match “As a leader in home services and energy efficient solutions for over 60 years, Reliance Home Comfort® (Reliance) is committed to being the Destination of Choice by delivering…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
5	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Oct 13, 2026	10001+	1,354 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
6	Bravida Danmark A S	Exact match	Brøndby, DenmarkHQ recorded Oct 13, 2026	1,001-5,000	1,342 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 · Oct 13, 2026 · View company records in RevenueBase
7	Danfoss Climate Solutions	Exact match	Nordborg, DenmarkHQ recorded Oct 13, 2026	10001+	1,227 contacts →
	Exact match “At Danfoss Climate Solutions, we engineer energy-efficient heating and cooling solutions to help the world get more out of less.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
8	GK	Exact match	Oslo, NorwayHQ recorded Oct 13, 2026	1,001-5,000	1,134 contacts →
	Exact match “GK er en ledende teknisk entreprenør og servicepartner.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
9	Mckenney's, INC	Exact match	Atlanta, GA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	1,088 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
10	Cmta, INC	Exact match	Louisville, KY, United StatesHQ recorded Oct 13, 2026	501-1,000	1,016 contacts →
	Exact match “CMTA is part of Legence, a Nasdaq Listed company.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
11	Proxiserve	Exact match	Levallois-perret, FranceHQ recorded Oct 13, 2026	1,001-5,000	984 contacts →
	Exact match “A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
12	Ventec S.A	Exact match	Casablanca, MoroccoHQ recorded Oct 13, 2026	1,001-5,000	971 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 · Oct 13, 2026 · View company records in RevenueBase
13	MCI SAS	Exact match	Carquefou, FranceHQ recorded Oct 13, 2026	1,001-5,000	968 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 · Oct 13, 2026 · View company records in RevenueBase
14	Bravida Norge AS	Exact match	Oslo, NorwayHQ recorded Oct 13, 2026	1,001-5,000	898 contacts →
	Exact match “Bravida gir bygninger liv.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
15	BAXI	Exact match	Warwick, United KingdomHQ recorded Oct 13, 2026	1,001-5,000	884 contacts →
	Exact match “We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
16	Feenstra	Exact match	Lelystad, NetherlandsHQ recorded Oct 13, 2026	1,001-5,000	789 contacts →
	Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
17	Linc Facility Services	Exact match	United StatesHQ recorded Oct 13, 2026	1,001-5,000	740 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 · Oct 13, 2026 · View company records in RevenueBase
18	HTS Engineering	Exact match	Toronto, ON, CanadaHQ recorded Oct 13, 2026	1,001-5,000	733 contacts →
	Exact match “Your success is our success.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
19	Coolsys	Exact match	Brea, CA, United StatesHQ recorded Oct 13, 2026	1,001-5,000	711 contacts →
	Exact match “CoolSys solves the most complex challenges in refrigeration, air conditioning, heating, engineering, and energy management.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
20	Hamon Group	Exact match	Seraing, BelgiumHQ recorded Oct 13, 2026	1,001-5,000	684 contacts →
	Exact match “The Hamon Group does not exist anymore.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
21	Climatec, LLC	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 13, 2026	1,001-5,000	666 contacts →
	Exact match “Climatec has been making buildings safer, more comfortable and efficient for over 40 years.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
22	Albireo Energy	Exact match	Edison, NJ, United StatesHQ recorded Oct 13, 2026	1,001-5,000	658 contacts →
	Exact match “Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase
23	Texas Airsystems	Exact match	Irving, TX, United StatesHQ recorded Oct 13, 2026	201-500	580 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 · Oct 13, 2026 · View company records in RevenueBase
24	ONE Hour Heating & AIR Conditioning	Exact match	Phoenix, AZ, United StatesHQ recorded Oct 13, 2026	1,001-5,000	556 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 · Oct 13, 2026 · View company records in RevenueBase
25	Nortek Global Hvac	Exact match	O'fallon, MO, United StatesHQ recorded Oct 13, 2026	1,001-5,000	536 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 13, 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 “green hvac contractors”. 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 38,299 green hvac contractors worldwide

See the full list, filter by size, metro and specialty, and access 86,202 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Green hvac contractors worldwide at a glance

As of Oct 13, 2026

25.8%Verified-email coverage

8.7Average contacts per company

11-50Median size (employees)

0.7%Largest-city concentration · Sao Paulo

Oct 13, 2026Page data refreshed

Companies by employee count

1-10

18,291

11-50

14,386

51-200

3,891

201-500

715

501-1,000

189

1,001-5,000

144

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 green hvac contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “green hvac contractors” 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 86,202 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 October 13, 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.

Green hvac contractors by location

135 lists · largest first

Every Green hvac contractors 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 “green hvac contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many green hvac contractors are there worldwide?

RevenueBase identified 38,299 company matches for green hvac contractors worldwide as of October 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?

Blue Star Limited tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most green hvac contractors?

The United States leads with 11,687 companies, followed by France (2,919) and the United Kingdom (2,254). Every green hvac contractors list by country and city is linked on this page.

Which city has the most green hvac contractors?

Sao Paulo leads with 286 company records, followed by London (180) and Houston (158).

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 86,202 professional contacts with verified work emails tracked across these 38,299 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 October 13, 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.