Company lists · Data refreshed November 2026

Top 25 Hvac efficiency specialists worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 10,461 companies tracked

RevenueBase identified 10,461 company matches for hvac efficiency specialists worldwide as of November 2026 and tracks 89,978 professional contacts across them, including 26,614 with verified work emails. The United States is the largest market and New York the largest hub.

This list covers company matches for hvac efficiency 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 efficiency 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

10,461Companies

89,978Contacts tracked

26,614Verified emails

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The 25 largest hvac efficiency specialists worldwide

Ranked by team size

Top 25 of 10,461 company matches for hvac efficiency 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	Equans Belux	Exact match	Brussels, BelgiumHQ recorded Nov 6, 2026	5,001-10,000	5,429 contacts →
	Exact match “What if you could use your talent to contribute to the great challenges of tomorrow?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Albireo Energy	Exact match	Edison, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	672 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 · Nov 6, 2026 · View company records in RevenueBase
3	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
4	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
5	Grosvenor Engineering Group	Exact match	Moorebank, AustraliaHQ recorded Nov 6, 2026	501-1,000	466 contacts →
	Exact match “Grosvenor Engineering Group is passionate about creating long-term sustainable value for building owners, managers and their occupants.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	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
7	Homeworks Energy, INC	Exact match	Medford, MA, United StatesHQ recorded Nov 6, 2026	201-500	381 contacts →
	Exact match “At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	ترشيد Tarshid	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	201-500	368 contacts →
	Exact match “The National Energy Services Company (TARSHID) is a national company wholly owned by the Public Investment Fund (PIF).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	AIR Systems, INC	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	201-500	364 contacts →
	Exact match “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	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
11	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
12	Remica	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	501-1,000	311 contacts →
	Exact match “Grupo Remica se crea en 1984 como empresa de instalación y mantenimiento de sistemas de calefacción, climatización y ACS.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	Navada	Exact match	Longueuil, QC, CanadaHQ recorded Nov 6, 2026	501-1,000	291 contacts →
	Exact match “Thanks to its multidisciplinary team, Navada offers a simple, turnkey approach to building services engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	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
16	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
17	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
18	Ellis AIR Conditioning	Exact match	Moorabbin Airport, AustraliaHQ recorded Nov 6, 2026	201-500	248 contacts →
	Exact match “Established in 1964, Ellis Air Conditioning has a long history of successfully completing mechanical services projects and preventative maintenance programs for many various…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Jaga Climate Designers - HQ	Exact match	Diepenbeek, BelgiumHQ recorded Nov 6, 2026	501-1,000	241 contacts →
	Exact match “The most economical radiators • Maximum heat for low water temperatures • Lower energy consumption • Fastest response time for maximum comfort For more than 50 years, Jaga has led…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	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
21	Dalkia Energy Solutions	Exact match	Beverly, MA, United StatesHQ recorded Nov 6, 2026	201-500	225 contacts →
	Exact match “Dalkia Energy Solutions, a subsidiary of the EDF (Électricité de France) Group, is a national leader in energy efficiency and sustainability for commercial, industrial, and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	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
23	Greenfoot Energy Solutions	Exact match	Moncton, BC, CanadaHQ recorded Nov 6, 2026	501-1,000	218 contacts →
	Exact match “Greenfoot Energy Solutions was established in 2014 by a group of energy experts dedicated to improving energy efficiency in Atlantic Canada.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Maxair Mechanical	Exact match	Marietta, GA, United StatesHQ recorded Nov 6, 2026	201-500	211 contacts →
	Exact match “MAXAIR Mechanical, founded in 1988, is a people first company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	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

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 efficiency 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 10,461 hvac efficiency specialists worldwide

See the full list, filter by size, metro and specialty, and access 26,614 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac efficiency specialists worldwide at a glance

As of Nov 6, 2026

29.6%Verified-email coverage

8.6Average contacts per company

1-10Median size (employees)

0.9%Largest-city concentration · New York

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

5,497

11-50

3,681

51-200

901

201-500

150

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 efficiency specialists are linked below.
What qualifies: Company records worldwide whose business descriptions match “hvac efficiency 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 26,614 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 efficiency specialists by location

42 lists · largest first

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

How many hvac efficiency specialists are there worldwide?

RevenueBase identified 10,461 company matches for hvac efficiency 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?

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 efficiency specialists?

The United States leads with 5,085 companies, followed by Canada (659) and France (557). Every hvac efficiency specialists list by country and city is linked on this page.

Which city has the most hvac efficiency specialists?

New York leads with 90 company records, followed by Houston (71) and London (54).

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 26,614 professional contacts with verified work emails tracked across these 10,461 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.