Company lists · Data refreshed September 2026

Top 25 Heat recovery system companies worldwide

RevenueBase identified 883 company matches for heat recovery system companies worldwide as of September 2026 and tracks 13,847 professional contacts across them, including 3,752 with verified work emails. The United States is the largest market and Pune the largest hub.

This list covers company matches for heat recovery system companies 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 September 20, 2026. Country and city lists for heat recovery system companies 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 Sep 20, 2026 How this list was built
883Companies
13,847Contacts tracked
3,752Verified emails
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The 25 largest heat recovery system companies worldwide

Ranked by team size
Top 25 of 883 company matches for heat recovery system companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSeraing, BelgiumHQ recorded Sep 20, 20261,001-5,000662 contacts →

Exact match

“The Hamon Group does not exist anymore.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchDubai, United Arab EmiratesHQ recorded Sep 20, 2026501-1,000595 contacts →

Exact match

“At Harris Pye, everything we do saves energy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchCalgary, AB, CanadaHQ recorded Sep 20, 20261,001-5,000471 contacts →

Exact match

“Engineered Air is one of North America's largest manufacturers of Heating, Air Conditioning, Ventilation, Refrigeration, Energy Recovery and Heat Transfer Products.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchBuffalo, NY, United StatesHQ recorded Sep 20, 20261,001-5,000364 contacts →

Exact match

“API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchHyderabad, IndiaHQ recorded Sep 20, 2026501-1,000230 contacts →

Exact match

“Thermal Systems (TSPL) is a fast growing ISO 9001 certified heavy engineering company engaged in Waste Heat Recovery solutions around the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchLa Palma, CA, United StatesHQ recorded Sep 20, 2026201-500219 contacts →

Exact match

“At TEi, we help the power and process industries operate safely, sustainably, and without costly downtime.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchLouisville, KY, United StatesHQ recorded Sep 20, 2026201-500209 contacts →

Exact match

“Vogt Power International Inc, headquartered in Louisville, Kentucky, is a global leader in the design, manufacturing, and supply of Heat Recovery Steam Generators (HRSGs) and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchSt. Louis, MO, United StatesHQ recorded Sep 20, 2026201-500198 contacts →

Exact match

“Nooter/Eriksen, the world's leading independent supplier of Natural Circulation Heat Recovery Steam Generators (HRSG) behind gas turbines, is a single source supplier of custom…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchSt-germain-de-grantham, QC, CanadaHQ recorded Sep 20, 2026201-500178 contacts →

Exact match

“Annexair is a privately held North American company focused exclusively on designing and manufacturing high-quality, energy-efficient air handling systems.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchStaphorst, NetherlandsHQ recorded Sep 20, 2026201-500126 contacts →

Exact match

“Brink Climate Systems is marktleider in ventilatie met warmteterugwinning, luchtverwarming en koeling.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchWeidenbach, GermanyHQ recorded Sep 20, 2026201-500120 contacts →

Exact match

“Since we at APROVIS have been developing solutions that make energy more efficient, sustainable and reliable.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchRastede, GermanyHQ recorded Sep 20, 2026201-500112 contacts →

Exact match

“BRÖTJE efficient heating system technology.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchZaragoza, SpainHQ recorded Sep 20, 202651-20096 contacts →

Exact match

“We are a company dedicated to the design and supply of equipment, plants and technologies for heat recovery, air or gases heating, incineration, VOC's abatement and industrial…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchWaunakee, WI, United StatesHQ recorded Sep 20, 202651-20091 contacts →

Exact match

“For over 40 years, RenewAire has been manufacturing energy recovery ventilators (ERVs) and dedicated outdoor air systems (DOAS).”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchMinnetonka, MN, United StatesHQ recorded Sep 20, 202651-20080 contacts →

Exact match

“We are a power plant technical services and products company specializing in Heat Recovery Steam Generators (HRSGs), waste heat boilers and smaller gas/oil-fired power boilers.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchBirk, DenmarkHQ recorded Sep 20, 202651-20076 contacts →

Exact match

“This company profile promotes : Danstoker A/S & Danstoker Poland Sp.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchLindlar, GermanyHQ recorded Sep 20, 2026201-50072 contacts →

Exact match

“Seit über vier Jahrzehnten setzen Kunden auf innovative Energiespartechnik aus dem Hause ONI.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchAylesbury, United KingdomHQ recorded Sep 20, 202651-20069 contacts →

Exact match

“Your trusted heat exchanger manufacturer - From first principles to lasting partnerships Heat exchanger manufacturer since 1904, we design and produce to custom specifications.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchAversa, ItalyHQ recorded Sep 20, 202651-20066 contacts →

Exact match

“Energy Recovery & Ventilation Components Counterflow Plate Heat Exchanger Counterflow Kombi Plate Heat Exchanger Rotary Heat Exchanger Crossflow Heat Exchanger Accuair Enthalpy…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchCalgary, AB, CanadaHQ recorded Sep 20, 202651-20066 contacts →

Exact match

“ICE has been a HVAC manufacturer with two facilities in Canada with one in Winnipeg (since 1961) and Calgary (since 1991) and one in the USA, Tennessee (since 1993).”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchHouston, TX, United StatesHQ recorded Sep 20, 202651-20065 contacts →

Exact match

“BD Energy Systems LLC located in Houston, TX, USA is a world leading engineering company operating in the Petrochemical, Fertilizer, Refining, and Gas Processing industry…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchNorth Billerica, MA, United StatesHQ recorded Sep 20, 202651-20064 contacts →

Exact match

“Tecogen is a leading manufacturer of Combined Heat and Power products including natural gas engine-driven cogeneration, air conditioning systems and high efficiency water heaters…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchMalmö, SwedenHQ recorded Sep 20, 2026201-50063 contacts →

Exact match

“Heatex is a leading cleantech company that optimizes and develops energy-saving thermodynamic products and solutions, contributing to a sustainable future.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchJablonec Nad Nisou, Czech RepublicHQ recorded Sep 20, 2026201-50063 contacts →

Exact match

“ATREA is an international holding company, focused on ventilation with heat recovery.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchGeorgetown, SC, United StatesHQ recorded Sep 20, 202651-20062 contacts →

Exact match

“Envirosep Company Overview: Envirosep designs and manufactures integrated solutions for fluid handling, heat transfer and energy recovery.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 883 heat recovery system companies worldwide

See the full list, filter by size, metro and specialty, and access 3,752 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Heat recovery system companies worldwide at a glance

As of Sep 20, 2026
27.1%Verified-email coverage
15.7Average contacts per company
11-50Median size (employees)
1.4%Largest-city concentration · Pune
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
358
11-50
305
51-200
144
201-500
39
501-1,000
10
1,001-5,000
14
5,001-10,000
4
10001+
1

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 heat recovery system companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “heat recovery system companies” 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 3,752 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 September 20, 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.

Heat recovery system companies by location

8 lists · largest first

Every Heat recovery system companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 “heat recovery system companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many heat recovery system companies are there worldwide?

RevenueBase identified 883 company matches for heat recovery system companies worldwide as of September 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?

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

Which country has the most heat recovery system companies?

The United States leads with 108 companies, followed by Germany (82) and the United Kingdom (74). Every heat recovery system companies list by country and city is linked on this page.

Which city has the most heat recovery system companies?

Pune leads with 12 company records, followed by London (8) and Tulsa (8).

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 3,752 professional contacts with verified work emails tracked across these 883 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 September 20, 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.