Company lists · Data refreshed November 2026

Top 25 Hvac decarbonization specialists worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 11,599 companies tracked

RevenueBase identified 11,599 company matches for hvac decarbonization specialists worldwide as of November 2026 and tracks 158,352 professional contacts across them, including 36,226 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for hvac decarbonization specialists 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 November 6, 2026. Country and city lists for hvac decarbonization specialists 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 Nov 6, 2026 How this list was built

11,599Companies

158,352Contacts tracked

36,226Verified emails

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The 25 largest hvac decarbonization specialists worldwide

Ranked by team size

Top 25 of 11,599 company matches for hvac decarbonization specialists worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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	Johnson Controls	Exact match	Cork, IrelandHQ recorded Nov 6, 2026	10001+	55,567 contacts →
	Exact match “Johnson Controls is a global leader in thermal management, mission-critical building systems, energy efficiency and decarbonization.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Danfoss Climate Solutions	Exact match	Nordborg, DenmarkHQ recorded Nov 6, 2026	10001+	1,279 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 · Nov 6, 2026 · View company records in RevenueBase
3	Aden Group	Exact match	Vientiane, SingaporeHQ recorded Nov 6, 2026	10001+	1,231 contacts →
	Exact match “Aden Group is a Euro-Asian enterprise delivering comprehensive solutions to boost decarbonization, productivity and energy transition in the built environment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Ventec S.A	Exact match	Casablanca, MoroccoHQ recorded Nov 6, 2026	1,001-5,000	1,010 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 · Nov 6, 2026 · View company records in RevenueBase
5	BAXI	Exact match	Warwick, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	865 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 · Nov 6, 2026 · View company records in RevenueBase
6	Coolsys	Exact match	Brea, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	741 contacts →
	Exact match “CoolSys solves the most complex challenges in refrigeration, air conditioning, heating, engineering, and energy management.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Hamon Group	Exact match	Seraing, BelgiumHQ recorded Nov 6, 2026	1,001-5,000	697 contacts →
	Exact match “The Hamon Group does not exist anymore.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Chromalox	Exact match	Pittsburgh, United StatesHQ recorded Nov 6, 2026	1,001-5,000	663 contacts →
	Exact match “When industrial operations depend on heat that simply cannot fail, Chromalox brings unmatched technical knowledge and high‑performance electric heating solutions that stand the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Texas Airsystems	Exact match	Irving, TX, United StatesHQ recorded Nov 6, 2026	201-500	583 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 · Nov 6, 2026 · View company records in RevenueBase
10	Public Service Media	Exact match	MoroccoHQ recorded Nov 6, 2026	n/a	505 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Carrier India	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	501-1,000	490 contacts →
	Exact match “Founded by Dr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Westport Fuel Systems	Exact match	Vancouver, BC, CanadaHQ recorded Nov 6, 2026	51-200	474 contacts →
	Exact match “Westport is a clean-tech innovation company, providing simplified solutions to decarbonize.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Hoffman & Hoffman, INC	Exact match	Greensboro, TN, United StatesHQ recorded Nov 6, 2026	1,001-5,000	469 contacts →
	Exact match “Since 1947, Hoffman & Hoffman, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Ferroli Group	Exact match	San Bonifacio, ItalyHQ recorded Nov 6, 2026	1,001-5,000	442 contacts →
	Exact match “Feel Well.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Carmichael Engineering LTD	Exact match	Montreal, ON, CanadaHQ recorded Nov 6, 2026	501-1,000	430 contacts →
	Exact match “Dedicated to Excellence For over a century, Carmichael has been delivering expert solutions in HVAC, industrial refrigeration, automation, combustion, energy, and scientific…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Veregy	Exact match	Phoenix, AZ, United StatesHQ recorded Nov 6, 2026	501-1,000	413 contacts →
	Exact match “Veregy is an award-winning NAESCO-Accredited decarbonization company focusing on accelerating and simplifying the Energy Transition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Xnrgy Climate Systems	Exact match	Mesa, AZ, United StatesHQ recorded Nov 6, 2026	501-1,000	397 contacts →
	Exact match “Shaping the Future of Sustainable Climate Control At XNRGY Climate Systems, we are on a mission to revolutionize climate control with a focus on sustainability and innovation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Havtech	Exact match	Columbia, VA, United StatesHQ recorded Nov 6, 2026	201-500	351 contacts →
	Exact match “Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Boland	Exact match	Gaithersburg, MD, United StatesHQ recorded Nov 6, 2026	201-500	333 contacts →
	Exact match “Boland is the leading commercial HVAC systems, services, and building energy solutions provider in the DC metro area.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Conco Services LLC	Exact match	Verona, TX, United StatesHQ recorded Nov 6, 2026	201-500	328 contacts →
	Exact match “Here at Conco, we are always looking for A Better Way.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Arclima Engenharia	Exact match	Cabo De Santo Agostinho, BrazilHQ recorded Nov 6, 2026	201-500	311 contacts →
	Exact match “A Arclima Engenharia é uma empresa brasileira especializada em Climatização, Refrigeração e Eficiência Energética (HVAC), com atuação em todo o território nacional.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	FIVES	Exact match	Paris, FranceHQ recorded Nov 6, 2026	201-500	309 contacts →
	Exact match “Fives’ subsidiaries in the Energy \| Combustion business line design and manufacture burners, controls and customized combustion systems for a wide range of industry applications…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	D&e AIR Conditioning	Exact match	Rowville, AustraliaHQ recorded Nov 6, 2026	501-1,000	304 contacts →
	Exact match “Established in Melbourne in 1989, D&E Air Conditioning has grown to become a market and knowledge leader in the delivery of sustainable climate solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Vicinity Energy	Exact match	Boston, MA, United StatesHQ recorded Nov 6, 2026	501-1,000	292 contacts →
	Exact match “Vicinity Energy is a leading district energy company that owns and operates the largest portfolio of district energy systems nationwide, providing steam, hot water, and chilled…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	VAE Group	Exact match	Darra, AustraliaHQ recorded Nov 6, 2026	201-500	291 contacts →
	Exact match “VAE engineers, constructs and manages Smarter HVAC Solutions.” Recorded in the RevenueBase company graph · Nov 6, 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 decarbonization specialists”. 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 11,599 hvac decarbonization specialists worldwide

See the full list, filter by size, metro and specialty, and access 36,226 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac decarbonization specialists worldwide at a glance

As of Nov 6, 2026

22.9%Verified-email coverage

13.7Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,663

11-50

4,318

51-200

1,089

201-500

220

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

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 decarbonization specialists are linked below.
What qualifies: Company records worldwide whose business descriptions match “hvac decarbonization specialists” 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 36,226 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 November 6, 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 decarbonization specialists by location

42 lists · largest first

Every Hvac decarbonization specialists 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 decarbonization specialists”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac decarbonization specialists are there worldwide?

RevenueBase identified 11,599 company matches for hvac decarbonization specialists worldwide as of November 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?

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

Which country has the most hvac decarbonization specialists?

The United States leads with 5,372 companies, followed by Canada (745) and France (587). Every hvac decarbonization specialists list by country and city is linked on this page.

Which city has the most hvac decarbonization specialists?

New York leads with 89 company records, followed by Houston (84) and London (67).

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 36,226 professional contacts with verified work emails tracked across these 11,599 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 November 6, 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.