Company lists · Data refreshed September 2026

Top 25 Hvac systems worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Sep 21, 2026 46,060 companies tracked

RevenueBase identified 46,060 hvac systems worldwide as of September 2026 and tracks 506,394 professional contacts across them, including 141,373 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers hvac systems worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026. Country and city lists for hvac systems follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review

46,060Companies

506,394Contacts tracked

141,373Verified emails

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The 25 largest hvac systems worldwide

Ranked by team size

Top 25 of 46,060 hvac systems worldwide, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to hvac systems: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Blue Star Limited	Indirect evidence	Mumbai, IndiaHQ checked Sep 21, 2026	1,001-5,000	6,621 contacts →
	Indirect evidence “Blue Star Limited is India’s leading air conditioning and commercial refrigeration company with over eight decades of experience in providing expert cooling solutions.” Source: RevenueBase Database · checked Sep 21, 2026
2	Equans Belux	Indirect evidence	Brussels, BelgiumHQ checked Sep 21, 2026	5,001-10,000	5,297 contacts →
	Indirect evidence “What if you could use your talent to contribute to the great challenges of tomorrow?” Source: RevenueBase Database · checked Sep 21, 2026
3	Daikin Airconditioning India Pvt. LTD	Indirect evidence	Gurgaon, IndiaHQ checked Sep 21, 2026	n/a	5,162 contacts →
	Indirect evidence “Daikin Air-conditioning India Pvt.” Source: RevenueBase Database · checked Sep 21, 2026
4	Equans	Indirect evidence	Courbevoie, FranceHQ checked Sep 21, 2026	10001+	5,064 contacts →
	Indirect evidence “Equans, a Bouygues group company, is a world leader in multi-technical services with offices in 20 country hubs.” Source: RevenueBase Database · checked Sep 21, 2026
5	Daikin Applied Americas	Indirect evidence	Minneapolis, MN, United StatesHQ checked Sep 21, 2026	10001+	4,204 contacts →
	Indirect evidence “Daikin Applied delivers superior air quality and energy efficiency to every solution with innovation in advanced technology, IoT, and next generation compressors.” Source: RevenueBase Database · checked Sep 21, 2026
6	Johnstone Supply	Indirect evidence	Portland, OR, United StatesHQ checked Sep 21, 2026	1,001-5,000	2,664 contacts →
	Indirect evidence “Making it easier for HVACR contractors to do business.” Source: RevenueBase Database · checked Sep 21, 2026
7	Acco Engineered Systems	Partial evidence	Pasadena, CA, United StatesHQ checked Sep 21, 2026	5,001-10,000	2,415 contacts →
	Partial evidence “Since 1934, owners and builders have selected ACCO Engineered Systems to design, install, and maintain more than mechanical projects.” Source: RevenueBase Database · checked Sep 21, 2026
8	Goodman AIR Conditioning & Heating	Indirect evidence	Waller, TX, United StatesHQ checked Sep 21, 2026	10001+	2,375 contacts →
	Indirect evidence “Since 1982, Goodman Manufacturing has had one goal: provide customers with reliable, high-quality, energy-efficient, and affordable indoor comfort products.” Source: RevenueBase Database · checked Sep 21, 2026
9	Viessmann Climate Solutions	Indirect evidence	Allendorf, GermanyHQ checked Sep 21, 2026	10001+	2,061 contacts →
	Indirect evidence “Founded in 1917 as a heating technology manufacturer, today Viessmann Climate Solutions is a leading global provider of sustainable climate (heating, cooling, water and air…” Source: RevenueBase Database · checked Sep 21, 2026
10	Carrier Enterprise	Indirect evidence	Charlotte, NC, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,891 contacts →
	Indirect evidence “Carrier Enterprise is a joint venture between Watsco, Inc.” Source: RevenueBase Database · checked Sep 21, 2026
11	American Residential Services	Indirect evidence	Memphis, TN, United StatesHQ checked Sep 21, 2026	5,001-10,000	1,882 contacts →
	Indirect evidence “American Residential Services (ARS®/Rescue Rooter®) is one of the nation’s largest providers of heating, air conditioning, indoor air quality, plumbing, drain cleaning…” Source: RevenueBase Database · checked Sep 21, 2026
12	Modern Niagara	Indirect evidence	Kanata, ON, CanadaHQ checked Sep 21, 2026	1,001-5,000	1,556 contacts →
	Indirect evidence “We build for life.” Source: RevenueBase Database · checked Sep 21, 2026
13	Service Experts	Partial evidence	Richardson, TX, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,502 contacts →
	Partial evidence “Service Experts is North America's leading HVAC, Plumbing & Electrical company with 75+ locations nationwide.” Source: RevenueBase Database · checked Sep 21, 2026
14	Emcor Group, INC	Indirect evidence	Norwalk, CT, United StatesHQ checked Sep 21, 2026	10001+	1,383 contacts →
	Indirect evidence “A Fortune 500® company and a member of the S&P 500, EMCOR Group, Inc.(NYSE: EME) is a leader in mechanical and electrical construction, industrial and energy infrastructure, and…” Source: RevenueBase Database · checked Sep 21, 2026
15	Comfort Systems USA	Partial evidence	Houston, TX, United StatesHQ checked Sep 21, 2026	10001+	1,330 contacts →
	Partial evidence “Comfort Systems USA \| Quality People.” Source: RevenueBase Database · checked Sep 21, 2026
16	Bravida Danmark A S	Indirect evidence	Brøndby, DenmarkHQ checked Sep 21, 2026	1,001-5,000	1,298 contacts →
	Indirect evidence “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.” Source: RevenueBase Database · checked Sep 21, 2026
17	Aaon, INC	Partial evidence	Tulsa, OK, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,208 contacts →
	Partial evidence “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Source: RevenueBase Database · checked Sep 21, 2026
18	Danfoss Climate Solutions	Indirect evidence	Nordborg, DenmarkHQ checked Sep 21, 2026	10001+	1,128 contacts →
	Indirect evidence “At Danfoss Climate Solutions, we engineer energy-efficient heating and cooling solutions to help the world get more out of less.” Source: RevenueBase Database · checked Sep 21, 2026
19	Fawaz Group	Indirect evidence	KuwaitHQ checked Sep 21, 2026	1,001-5,000	1,085 contacts →
	Indirect evidence “Welcome to FAWAZ Group official account!” Source: RevenueBase Database · checked Sep 21, 2026
20	Mckenney's, INC	Indirect evidence	Atlanta, GA, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,077 contacts →
	Indirect evidence “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Source: RevenueBase Database · checked Sep 21, 2026
21	CAREL	Partial evidence	Brugine (pd), ItalyHQ checked Sep 21, 2026	1,001-5,000	1,041 contacts →
	Partial evidence “CAREL is a world leader in control solutions for air-conditioning, refrigeration and heating, and systems for humidification and evaporative cooling.” Source: RevenueBase Database · checked Sep 21, 2026
22	Daikin Industries, LTD	Indirect evidence	Osaka, JapanHQ checked Sep 21, 2026	10001+	1,028 contacts →
	Indirect evidence “With nearly 350 subsidiaries around the globe, Daikin Industries, Ltd.” Source: RevenueBase Database · checked Sep 21, 2026
23	LEE Company	Indirect evidence	Franklin, TN, United StatesHQ checked Sep 21, 2026	1,001-5,000	1,019 contacts →
	Indirect evidence “Since 1944, we’ve been family-owned and family-focused, built on values that last and a mission that matters.” Source: RevenueBase Database · checked Sep 21, 2026
24	Master	Indirect evidence	Saint-bruno-de-montarville, QC, CanadaHQ checked Sep 21, 2026	1,001-5,000	1,007 contacts →
	Indirect evidence “For more than 70 years, we've been making a difference, in every degree.” Source: RevenueBase Database · checked Sep 21, 2026
25	Ventec S.A	Indirect evidence	Casablanca, MoroccoHQ checked Sep 21, 2026	1,001-5,000	959 contacts →
	Indirect evidence “La Société Ventec a été créée au Maroc en 1949 par Monsieur Albert MARQUET Président Directeur Général de Ventec en France.” Source: RevenueBase Database · checked Sep 21, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: hvac systems. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names hvac systems.
Partial evidence: Its own public description names part of hvac systems, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name hvac systems. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 46,060 hvac systems worldwide

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Hvac systems worldwide at a glance

As of Sep 21, 2026

27.9%Verified-email coverage

11.0Average contacts per company

11-50Median size (employees)

0.8%Largest-city concentration · Sao Paulo

Sep 21, 2026Page data refreshed

Companies by employee count

1-10

20,690

11-50

17,303

51-200

5,442

201-500

1,185

501-1,000

334

1,001-5,000

257

5,001-10,000

10001+

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among hvac systems, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage: Every country. Country and city lists for hvac systems are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “hvac systems”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names hvac systems), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among hvac systems, and records with no verified work email.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 141,373 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Hvac systems by location

155 lists · largest first

Every Hvac systems 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names hvac systems, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many hvac systems are there worldwide?

RevenueBase identified 46,060 hvac systems worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Blue Star Limited, headquartered in Mumbai, tops this list with the largest team on record.

Which country has the most hvac systems?

The United States leads with 14,901 companies, followed by France (2,682) and the United Kingdom (2,331). Every hvac systems list by country and city is linked on this page.

Which city has the most hvac systems?

Sao Paulo leads with 359 headquartered companies, followed by London (220) and Houston (214).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 141,373 verified decision-maker contacts tracked across these 46,060 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.