Company lists · Data refreshed September 2026
Top 25 Air to air heat exchanger manufacturers worldwide
RevenueBase identified 1,348 air to air heat exchanger manufacturers worldwide as of September 2026 and tracks 31,693 professional contacts across them, including 8,688 with verified work emails. The United States is the largest market and Istanbul the largest hub.
This list covers air to air heat exchanger manufacturers 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 29, 2026. Country and city lists for air to air heat exchanger manufacturers 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.
The 25 largest air to air heat exchanger manufacturers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,005 contacts → | ||||
Indirect evidence “Welcome to Kelvion!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,208 contacts → | ||||
Indirect evidence “Driving the industry forward through the design, manufacturing, and rigorous testing of premium HVAC equipment.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 906 contacts → | ||||
Indirect evidence “At BAC, we don’t just build cooling systems, we shape the future of sustainable solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 662 contacts → | ||||
Indirect evidence “The Hamon Group does not exist anymore.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 569 contacts → | ||||
Strong evidence “At EVAPCO, we are more than a manufacturer-we are a global team of employee-owners committed to delivering innovative heat transfer solutions for customers worldwide.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 535 contacts → | ||||
Indirect evidence “At SWEP, we believe our future rests on giving more energy than we take – from our planet and our people.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 490 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 471 contacts → | ||||
Strong evidence “Engineered Air is one of North America's largest manufacturers of Heating, Air Conditioning, Ventilation, Refrigeration, Energy Recovery and Heat Transfer Products.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 442 contacts → | ||||
Indirect evidence “Tranter is a global engineering and manufacturing group specializing in thermal management in the process industries, district heating and within the building envelope.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 364 contacts → | ||||
Partial evidence “API Heat Transfer is a leading global provider of heat transfer solutions, recognized for delivering innovative, energy-efficient equipment for more than 140 years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 314 contacts → | ||||
Strong evidence “Manufacturer of Plate Fin and Finned Tube Heat Exchangers Since 1928 Super Radiator Coils has been engineering and building cost effective, durable and thermal efficient heating…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 268 contacts → | ||||
Partial evidence “AIC is going its way in the field of advanced heat transfer solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 264 contacts → | ||||
Indirect evidence “Systemair is a leading ventilation company with operations in 51 countries in Europe, North America, the Middle East, Asia, Australia and Africa.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 256 contacts → | ||||
Strong evidence “Sermeta is the world leading manufacturer of stainless steel heat exchanger for gas condensing boilers.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 232 contacts → | ||||
Strong evidence “Serck provides specialist design, manufacture, installation, service, and global export of heat transfer technology across a range of sectors and geographies.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 226 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 223 contacts → | ||||
Strong evidence “Manufacturer of coolers and heat exchangers worldwide Development and production of high-performance heat exchangers and complete cooling modules for application in construction…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 219 contacts → | ||||
Indirect evidence “At TEi, we help the power and process industries operate safely, sustainably, and without costly downtime.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 217 contacts → | ||||
Strong evidence “AXH air-coolers is proud to be the largest air cooler manufacturer in North America.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 202 contacts → | ||||
Indirect evidence “Citizen Industries P.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 199 contacts → | ||||
Strong evidence “Established in 1990, Vahterus is a Finnish family business focused on sustainable heat exchanger solutions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 198 contacts → | ||||
Partial evidence “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…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 190 contacts → | ||||
Indirect evidence “What We Do ACT develops passive and active thermal solutions for demanding environments where performance margins are tight and failure is costly.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 188 contacts → | ||||
Strong evidence “HC is a design and manufacturing business that specialises in heating, ventilation, air conditioning, and refrigeration equipment.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 187 contacts → | ||||
Strong evidence “Since 1946 Revcor has been a staple company in the design and manufacture of revolutionary airflow solutions that efficiently, quietly and reliably deliver the air that improves…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
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: air to air heat exchanger manufacturers. 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 air to air heat exchanger manufacturers.
- Partial evidence
- Its own public description names part of air to air heat exchanger manufacturers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name air to air heat exchanger manufacturers. 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 1,348 air to air heat exchanger manufacturers worldwide
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Air to air heat exchanger manufacturers worldwide at a glance
As of Sep 29, 2026Companies by employee count
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 air to air heat exchanger manufacturers, 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 air to air heat exchanger manufacturers are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “air to air heat exchanger manufacturers”. 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 air to air heat exchanger manufacturers), 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 air to air heat exchanger manufacturers, 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, 8,688 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 29, 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.
Air to air heat exchanger manufacturers by location
10 lists · largest firstEvery Air to air heat exchanger manufacturers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Air to air heat exchanger manufacturers based in the United States195
- Air to air heat exchanger manufacturers based in India155
- Air to air heat exchanger manufacturers based in Italy78
- Air to air heat exchanger manufacturers based in Germany67
- Air to air heat exchanger manufacturers based in the United Kingdom67
- Air to air heat exchanger manufacturers based in Türkiye50
- Air to air heat exchanger manufacturers based in Canada44
- Air to air heat exchanger manufacturers based in the Netherlands39
- Air to air heat exchanger manufacturers based in France35
- Air to air heat exchanger manufacturers based in Brazil27
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 air to air heat exchanger manufacturers, 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 air to air heat exchanger manufacturers are there worldwide?
RevenueBase identified 1,348 air to air heat exchanger manufacturers 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?
Kelvion, headquartered in Herne, tops this list with the largest team on record.
Which country has the most air to air heat exchanger manufacturers?
The United States leads with 195 companies, followed by India (155) and Italy (78). Every air to air heat exchanger manufacturers list by country and city is linked on this page.
Which city has the most air to air heat exchanger manufacturers?
Istanbul leads with 12 headquartered companies, followed by New Delhi (12) and Wuxi (11).
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 8,688 verified decision-maker contacts tracked across these 1,348 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 29, 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.