Company lists · Data refreshed November 2026

Top 25 Hvac design firms worldwide

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 14,321 companies tracked

RevenueBase identified 14,321 company matches for hvac design firms worldwide as of November 2026 and tracks 160,267 professional contacts across them, including 50,847 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers company matches for hvac design firms 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 design firms 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

14,321Companies

160,267Contacts tracked

50,847Verified emails

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The 25 largest hvac design firms worldwide

Ranked by team size

Top 25 of 14,321 company matches for hvac design firms 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	AAON	Exact match	Tulsa, TX, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,350 contacts →
	Exact match “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Mckenney's, INC	Exact match	Atlanta, NC, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,143 contacts →
	Exact match “McKenney’s is the Southeast’s most trusted name in facility construction, operation and maintenance.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	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
4	MCI SAS	Exact match	Carquefou, FranceHQ recorded Nov 6, 2026	1,001-5,000	982 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 · Nov 6, 2026 · View company records in RevenueBase
5	PAE	Exact match	Portland, NV, United StatesHQ recorded Nov 6, 2026	201-500	843 contacts →
	Exact match “PAE provides mechanical and electrical engineering design, technology system design, energy modeling and analysis, and more.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	IMI Climate Control	Exact match	Eysins, SwitzerlandHQ recorded Nov 6, 2026	1,001-5,000	823 contacts →
	Exact match “At IMI, our Climate Control sector designs intelligent hydronic solutions that optimise comfort, energy use, and system reliability, helping create smarter, greener, more…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	HTS Engineering	Exact match	Toronto, TX, CanadaHQ recorded Nov 6, 2026	1,001-5,000	748 contacts →
	Exact match “Your success is our success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Petra Engineering Industries CO	Exact match	Amman, JordanHQ recorded Nov 6, 2026	1,001-5,000	732 contacts →
	Exact match “Established in 1987, Petra Engineering Industries Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Smith Andersen	Exact match	Toronto, MB, CanadaHQ recorded Nov 6, 2026	501-1,000	730 contacts →
	Exact match “What does it take to be one of Canada’s most respected integrated engineering firms?” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Concepcion-Carrier AIR Conditioning Company Ccac	Exact match	Alabang, PhilippinesHQ recorded Nov 6, 2026	501-1,000	727 contacts →
	Exact match “Formed in January 1998, Concepcion-Carrier Air Conditioning Company (CCAC) brings together two leaders in the air conditioning industry: Carrier Corporation of the United States…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	ME Engineers	Exact match	Golden, TX, United StatesHQ recorded Nov 6, 2026	201-500	723 contacts →
	Exact match “ME Engineers has earned a reputation as a global leader in the design of innovative MEPT systems that bring to life the world's most innovative sports and entertainment venues.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	F.E. Moran Group Of Companies	Exact match	Northbrook, IL, United StatesHQ recorded Nov 6, 2026	1,001-5,000	606 contacts →
	Exact match “At F.E.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	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
14	Climate Pros, LLC	Exact match	Glendale Heights, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	581 contacts →
	Exact match “At Climate Pros, LLC, we are a leading commercial refrigeration and HVAC company specializing in the design, construction, and servicing of refrigeration systems across thousands…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Therma	Exact match	San Jose, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	517 contacts →
	Exact match “Therma is part of Legence, a Blackstone portfolio company, specially created to be an Energy Transition Accelerator™.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Wolf Gmbh	Exact match	Mainburg, GermanyHQ recorded Nov 6, 2026	1,001-5,000	506 contacts →
	Exact match “As a leading supplier of heating and air handling systems, we are perfectly in tune with you.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Heating Cooling	Exact match	Sao Paulo, BrazilHQ recorded Nov 6, 2026	501-1,000	504 contacts →
	Exact match “Desde 1974, a Heating & Cooling atua no segmento de engenharia de instalação de Sistemas de Ar-Condicionado, Ventilação e Exaustão Mecânica, com mais de 2.500 projetos executados.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Jaros, Baum & Bolles Jb&b	Exact match	New York, MA, United StatesHQ recorded Nov 6, 2026	201-500	501 contacts →
	Exact match “Jaros, Baum & Bolles, Inc.(JB & B) is a leading consulting engineering firm specializing in mechanical, electrical, plumbing, and fire protection (MEP/FP) systems for complex…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	CIAT	Exact match	FranceHQ recorded Nov 6, 2026	1,001-5,000	491 contacts →
	Exact match “CIAT has over 90 years of experience as one of Europes leading names in the HVAC industry for creating innovative, durable and high-performing products, with a speciality on…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	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
21	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
22	Pe-Services	Exact match	Lebanon, OH, United StatesHQ recorded Nov 6, 2026	n/a	461 contacts →
	Exact match “PE-Services provides engineering for your success.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Heinen & Hopman	Exact match	Bunschoten-spakenburg, United StatesHQ recorded Nov 6, 2026	1,001-5,000	459 contacts →
	Exact match “Heinen & Hopman Engineering was founded in 1965 as a family business in the heart of Holland, Spakenburg.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	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
25	Clivet SPA	Exact match	Feltre, ItalyHQ recorded Nov 6, 2026	501-1,000	436 contacts →
	Exact match “Clivet is a leading European company that designs, produces and distributes systems for air conditioning, heating, fresh air and purification with a wide range of solutions for…” 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 design firms”. 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 14,321 hvac design firms worldwide

See the full list, filter by size, metro and specialty, and access 50,847 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac design firms worldwide at a glance

As of Nov 6, 2026

31.7%Verified-email coverage

11.2Average contacts per company

11-50Median size (employees)

1.0%Largest-city concentration · Sao Paulo

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,342

11-50

5,483

51-200

1,716

201-500

362

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 design firms are linked below.
What qualifies: Company records worldwide whose business descriptions match “hvac design firms” 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 50,847 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 design firms by location

50 lists · largest first

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

How many hvac design firms are there worldwide?

RevenueBase identified 14,321 company matches for hvac design firms 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?

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

Which country has the most hvac design firms?

The United States leads with 5,117 companies, followed by Canada (670) and India (651). Every hvac design firms list by country and city is linked on this page.

Which city has the most hvac design firms?

Sao Paulo leads with 147 company records, followed by New York (108) and Houston (96).

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 50,847 professional contacts with verified work emails tracked across these 14,321 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.