Company lists · Data refreshed September 2026

Top 25 Industrial heat pump manufacturers worldwide

Name: Industrial heat pump manufacturers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 1,391 companies tracked

RevenueBase identified 1,391 industrial heat pump manufacturers worldwide as of September 2026 and tracks 32,919 professional contacts across them, including 11,255 with verified work emails and 0 with mobile numbers. The United States is the largest market and Pune the largest hub.

This list covers industrial heat pump 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 17, 2026. Country and city lists for industrial heat pump 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 17, 2026 86% judged on-target in blind review

1,391Companies

32,919Contacts tracked

11,255Verified emails

0Mobile numbers

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The 25 largest industrial heat pump manufacturers worldwide

Ranked by team size

Top 25 of 1,391 industrial heat pump manufacturers worldwide, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to industrial heat pump manufacturers: 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	Vaillant Group	Indirect evidence	Remscheid, GermanyHQ checked Sep 17, 2026	10001+	3,014 contacts →
	Indirect evidence “Our corporate vision shapes everything we do and inspires our employees every day.” Source: RevenueBase Database · checked Sep 17, 2026
2	Kelvion	Indirect evidence	Herne, GermanyHQ checked Sep 17, 2026	5,001-10,000	2,005 contacts →
	Indirect evidence “Welcome to Kelvion!” Source: RevenueBase Database · checked Sep 17, 2026
3	Danfoss Climate Solutions	Indirect evidence	Nordborg, DenmarkHQ checked Sep 17, 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 17, 2026
4	Baltimore Aircoil Company	Indirect evidence	Jessup, MD, United StatesHQ checked Sep 17, 2026	1,001-5,000	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 17, 2026
5	Hamon Group	Indirect evidence	Seraing, BelgiumHQ checked Sep 17, 2026	1,001-5,000	662 contacts →
	Indirect evidence “The Hamon Group does not exist anymore.” Source: RevenueBase Database · checked Sep 17, 2026
6	Evapco, INC	Strong evidence	Taneytown, MD, United StatesHQ checked Sep 17, 2026	1,001-5,000	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 17, 2026
7	SWEP	Indirect evidence	Landskrona, SwedenHQ checked Sep 17, 2026	1,001-5,000	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 17, 2026
8	Stiebel Eltron Group	Indirect evidence	Holzminden, GermanyHQ checked Sep 17, 2026	5,001-10,000	493 contacts →
	Indirect evidence “STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.” Source: RevenueBase Database · checked Sep 17, 2026
9	Engineered AIR	Strong evidence	Calgary, AB, CanadaHQ checked Sep 17, 2026	1,001-5,000	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 17, 2026
10	Baymak BDR Thermea Group	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 17, 2026	501-1,000	439 contacts →
	Indirect evidence “1969 yılında faaliyetlerine başlayan ve 2013 yılı itibarıyla iklimlendirme sektöründe Avrupa’nın ilk üç şirketi arasında yer alan BDR Thermea Group bünyesine katılan Baymak…” Source: RevenueBase Database · checked Sep 17, 2026
11	Ferroli Group	Indirect evidence	San Bonifacio, ItalyHQ checked Sep 17, 2026	1,001-5,000	418 contacts →
	Indirect evidence “Comfort, designed around you – Since 1955, Ferroli has been a trusted name in HVAC, delivering innovative solutions for heating, cooling and hot water that combine comfort, energy…” Source: RevenueBase Database · checked Sep 17, 2026
12	Babcock Wanson International	Partial evidence	Nerac, FranceHQ checked Sep 17, 2026	501-1,000	388 contacts →
	Partial evidence “BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Source: RevenueBase Database · checked Sep 17, 2026
13	Immergas S.P.A	Indirect evidence	Reggio Emilia, ItalyHQ checked Sep 17, 2026	501-1,000	374 contacts →
	Indirect evidence “Produciamo oltre 300 mila caldaie l’anno e commercializziamo apparecchi per riscaldamento e raffrescamento domestico in 50 paesi di tutto il Mondo, con dodici filiali commerciali…” Source: RevenueBase Database · checked Sep 17, 2026
14	API Heat Transfer	Partial evidence	Buffalo, NY, United StatesHQ checked Sep 17, 2026	1,001-5,000	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 17, 2026
15	Lochinvar, LLC	Partial evidence	Lebanon, TN, IndiaHQ checked Sep 17, 2026	201-500	340 contacts →
	Partial evidence “Lochinvar, LLC is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters and custom pre-piped packaged systems.” Source: RevenueBase Database · checked Sep 17, 2026
16	Daikin Airconditioning Germany Gmbh	Indirect evidence	Unterhaching, GermanyHQ checked Sep 17, 2026	501-1,000	253 contacts →
	Indirect evidence “DAIKIN ist weltweit führender Hersteller von Wärmepumpen, Lüftungs- und Klimatisierungssystemen.” Source: RevenueBase Database · checked Sep 17, 2026
17	Thermal Systems Hyderabad Pvt. LTD	Partial evidence	Hyderabad, IndiaHQ checked Sep 17, 2026	501-1,000	230 contacts →
	Partial evidence “Thermal Systems (TSPL) is a fast growing ISO 9001 certified heavy engineering company engaged in Waste Heat Recovery solutions around the world.” Source: RevenueBase Database · checked Sep 17, 2026
18	Jaga Climate Designers - HQ	Partial evidence	Diepenbeek, BelgiumHQ checked Sep 17, 2026	501-1,000	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 17, 2026
19	Nooter Eriksen, INC	Partial evidence	St. Louis, MO, United StatesHQ checked Sep 17, 2026	201-500	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 17, 2026
20	Baxi Italia	Indirect evidence	Bassano Del Grappa, ItalyHQ checked Sep 17, 2026	501-1,000	189 contacts →
	Indirect evidence “Nata negli anni 1925 come produttore di prodotti smaltati, dagli anni 70 Baxi è entrata nel settore HVAC con apparecchi domestici per il riscaldamento e la climatizzazione.” Source: RevenueBase Database · checked Sep 17, 2026
21	Vaillant UK	Indirect evidence	Belper, United KingdomHQ checked Sep 17, 2026	501-1,000	179 contacts →
	Indirect evidence “What does it take to deliver confidence at every stage of the heating journey?” Source: RevenueBase Database · checked Sep 17, 2026
22	Climatemaster, INC	Indirect evidence	Oklahoma City, OK, United StatesHQ checked Sep 17, 2026	501-1,000	178 contacts →
	Indirect evidence “ClimateMaster’s role as a domestic energy and geothermal heating and cooling leader extends back to the late 1950s when the company was first founded in Florida.” Source: RevenueBase Database · checked Sep 17, 2026
23	Annexair	Indirect evidence	St-germain-de-grantham, QC, CanadaHQ checked Sep 17, 2026	201-500	178 contacts →
	Indirect evidence “Annexair is a privately held North American company focused exclusively on designing and manufacturing high-quality, energy-efficient air handling systems.” Source: RevenueBase Database · checked Sep 17, 2026
24	OILON	Indirect evidence	Lahti, FinlandHQ checked Sep 17, 2026	201-500	175 contacts →
	Indirect evidence “We are a Finnish family-owned energy and environmental technology company founded in 1961.” Source: RevenueBase Database · checked Sep 17, 2026
25	Fulton	Partial evidence	Pulaski, NY, United StatesHQ checked Sep 17, 2026	501-1,000	171 contacts →
	Partial evidence “Fulton specializes in custom engineered industrial and commercial heating systems featuring steam boilers, hot water and hydronic boilers, thermal fluid heaters, and a full range…” Source: RevenueBase Database · checked Sep 17, 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: industrial heat pump 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 industrial heat pump manufacturers.
Partial evidence: Its own public description names part of industrial heat pump manufacturers, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name industrial heat pump 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 1,391 industrial heat pump manufacturers worldwide

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Industrial heat pump manufacturers worldwide at a glance

As of Sep 17, 2026

34.2%Verified-email coverage

23.7Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Pune

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

545

11-50

471

51-200

248

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 industrial heat pump 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: 20 countries, largest first: the United States, Germany, the United Kingdom, India, France, Italy, the Netherlands, Canada, Poland, Sweden and 10 more. Country and city lists for industrial heat pump manufacturers are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “industrial heat pump 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 industrial heat pump 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 industrial heat pump 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, 11,255 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 17, 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.

Industrial heat pump manufacturers by location

20 lists · largest first

Every Industrial heat pump manufacturers 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 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 industrial heat pump 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 industrial heat pump manufacturers are there worldwide?

RevenueBase identified 1,391 industrial heat pump 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?

Vaillant Group, headquartered in Remscheid, tops this list with the largest team on record.

Which country has the most industrial heat pump manufacturers?

The United States leads with 182 companies, followed by Germany (158) and the United Kingdom (143). Every industrial heat pump manufacturers list by country and city is linked on this page.

Which city has the most industrial heat pump manufacturers?

Pune leads with 18 headquartered companies, followed by London (14) and Bangalore (13).

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 11,255 verified decision-maker contacts tracked across these 1,391 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 17, 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.