Company lists · Data refreshed November 2026

Top 25 Hvac decarbonization specialists based in the United States

Name: Hvac decarbonization specialists based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 5,372 companies tracked

RevenueBase identified 5,372 company matches for hvac decarbonization specialists associated with the United States as of November 2026 and tracks 44,285 professional contacts across them, including 14,880 with verified work emails. New York is the largest hub.

This list covers company matches for hvac decarbonization specialists associated with the United States, 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.

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

5,372Companies

44,285Contacts tracked

14,880Verified emails

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The 25 largest hvac decarbonization specialists based in the United States

Ranked by team size

Top 25 of 5,372 company matches for hvac decarbonization specialists based in the United States, 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	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
2	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
3	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
4	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
5	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
6	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
7	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
8	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
9	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
10	BFC Solutions	Exact match	Nashville, TN, United StatesHQ recorded Nov 6, 2026	501-1,000	258 contacts →
	Exact match “BFC Solutions is the leader in essential HVAC services for commercial multi-site facilities and chains nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Airtron Heating & AIR Conditioning	Exact match	Columbus, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	249 contacts →
	Exact match “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Tolin Mechanical Systems	Exact match	Denver, CO, United StatesHQ recorded Nov 6, 2026	201-500	232 contacts →
	Exact match “Tolin Mechanical is a Leading Energy & Commercial HVAC Services Company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Energy Air, INC	Exact match	Orlando, FL, United StatesHQ recorded Nov 6, 2026	201-500	223 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Ambient	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	1,001-5,000	210 contacts →
	Exact match “Ambient is a national collective of HVAC design and implementation firms, each entity esteemed in their respective regions with decades of experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Haynes Mechanical Systems	Exact match	Greenwood Village, CO, United StatesHQ recorded Nov 6, 2026	201-500	208 contacts →
	Exact match “Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Bright Power	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	203 contacts →
	Exact match “Bright Power is a leading provider of energy efficiency and decarbonization solutions for the real estate industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Watsco, INC	Exact match	Coconut Grove, FL, United StatesHQ recorded Nov 6, 2026	5,001-10,000	200 contacts →
	Exact match “Watsco Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Isaac Heating And AIR Conditioning	Exact match	Rochester, NY, United StatesHQ recorded Nov 6, 2026	501-1,000	193 contacts →
	Exact match “Isaac Heating and Air Conditioning has been family-owned and operated in Rochester since 1945.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Hill York	Exact match	Dania Beach, FL, United StatesHQ recorded Nov 6, 2026	201-500	177 contacts →
	Exact match “Hill York is a full service contractor that offers a full array of energy efficient air-conditioning services from concept to completion, maintenance to repair and everything in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	American Mechanical Services	Exact match	Laurel, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	175 contacts →
	Exact match “AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Marshalls INC	Exact match	Lynnwood, WA, United StatesHQ recorded Nov 6, 2026	n/a	173 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Premistar	Exact match	Deerfield, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	171 contacts →
	Exact match “PremiStar, formerly Reedy Industries, operates a footprint of 52 commercial HVAC, building automation and plumbing branches across 16 states.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	GSM Services	Exact match	Gastonia, NC, United StatesHQ recorded Nov 6, 2026	201-500	169 contacts →
	Exact match “For nearly a century, GSM Services has built its reputation on reliability, honesty, expert service, and high-quality workmanship.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	RED DOT Corporation	Exact match	Puyallup, WA, United StatesHQ recorded Nov 6, 2026	201-500	165 contacts →
	Exact match “Red Dot Corporation produces premium mobile HVAC units and components for heavy-duty commercial and military vehicles.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Engineered Cooling Services	Exact match	Pensacola, FL, United StatesHQ recorded Nov 6, 2026	201-500	159 contacts →
	Exact match “Engineered Cooling Services is the Southeast’s leading energy and HVAC services company headquartered in Pensacola, FL with local offices in Mobile, Montgomery, Birmingham…” 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 5,372 hvac decarbonization specialists based in the United States

See the full list, filter by size, metro and specialty, and access 14,880 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac decarbonization specialists based in the United States at a glance

As of Nov 6, 2026

33.6%Verified-email coverage

8.2Average contacts per company

1-10Median size (employees)

1.7%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

2,697

11-50

2,063

51-200

445

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 5,372 companies.

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.
What qualifies: Company records associated with the United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 14,880 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 metro

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 based in the United States?

RevenueBase identified 5,372 company matches for hvac decarbonization specialists associated with the United States 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?

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

Which city has the most hvac decarbonization specialists?

New York leads with 89 company records, followed by Houston (84) and Austin (42).

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 14,880 professional contacts with verified work emails tracked across these 5,372 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.