Company lists · Data refreshed November 2026

Top 25 Ground source heat pump manufacturers worldwide

RevenueBase identified 1,797 company matches for ground source heat pump manufacturers worldwide as of November 2026 and tracks 23,778 professional contacts across them, including 6,823 with verified work emails. The United Kingdom is the largest market and Foshan the largest hub.

This list covers company matches for ground source heat pump manufacturers 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 ground source heat pump manufacturers 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
1,797Companies
23,778Contacts tracked
6,823Verified emails
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The 25 largest ground source heat pump manufacturers worldwide

Ranked by team size
Top 25 of 1,797 company matches for ground source heat pump manufacturers 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchRemscheid, GermanyHQ recorded Nov 6, 202610001+3,278 contacts →

Exact match

“Our corporate vision shapes everything we do and inspires our employees every day.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHolzminden, GermanyHQ recorded Nov 6, 20265,001-10,000509 contacts →

Exact match

“STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMainburg, GermanyHQ recorded Nov 6, 20261,001-5,000506 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
4Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026501-1,000484 contacts →

Exact match

“1969 yılında faaliyetlerine başlayan ve 2013 yılı itibarıyla iklimlendirme sektöründe Avrupa’nın ilk üç şirketi arasında yer alan BDR Thermea Group bünyesine katılan Baymak…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSan Bonifacio, ItalyHQ recorded Nov 6, 20261,001-5,000442 contacts →

Exact match

“Feel Well.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchUnterhaching, GermanyHQ recorded Nov 6, 2026501-1,000273 contacts →

Exact match

“DAIKIN ist weltweit führender Hersteller von Wärmepumpen, Lüftungs- und Klimatisierungssystemen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchFort Wayne, IN, United StatesHQ recorded Nov 6, 2026201-500229 contacts →

Exact match

“WaterFurnace International, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBassano Del Grappa, ItalyHQ recorded Nov 6, 2026501-1,000205 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchOklahoma City, OK, United StatesHQ recorded Nov 6, 2026501-1,000195 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBelper, United KingdomHQ recorded Nov 6, 2026501-1,000195 contacts →

Exact match

“What does it take to deliver confidence at every stage of the heating journey?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSchwendi, GermanyHQ recorded Nov 6, 20261,001-5,000192 contacts →

Exact match

“Das Unternehmen Weishaupt im oberschwäbischen Schwendi steht für langlebige, sparsame und zuverlässige Energietechnik auf einem hohen technischen Niveau.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchArvika, SwedenHQ recorded Nov 6, 2026201-500176 contacts →

Exact match

“Thermia AB is a developer and manufacturer of ground & air sourced heat pumps since 1973.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMatrei, AustriaHQ recorded Nov 6, 2026501-1,000152 contacts →

Exact match

“WIR SORGEN FÜR IHR WOHLBEFINDEN.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchArcole, AlgeriaHQ recorded Nov 6, 2026201-500128 contacts →

Exact match

“Azienda leader nel campo del condizionamento civile e industriale facente parte del gruppo Advantix SpA, specializzata in pompe di calore inverter ad alte performance ed elevato…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchMount Kisco, NY, United StatesHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“Dandelion Energy is the nation’s leading residential geothermal provider, on a mission to make the world’s most efficient heating and cooling technology accessible to everyone.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLjungby, SwedenHQ recorded Nov 6, 2026201-500120 contacts →

Exact match

“CTC är en av Europas ledande tillverkare av värmeprodukter.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCologne, GermanyHQ recorded Nov 6, 202651-200104 contacts →

Exact match

“Wir bei Vamo haben es uns zur Mission gemacht grünes, günstiges Heizen mit Wärmepumpen unkompliziert und für jedermann möglich sowie bezahlbar zu machen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchKasendorf, GermanyHQ recorded Nov 6, 20261,001-5,000100 contacts →

Exact match

“Die Wärmepumpe ist unsere DNA 🧬 Unsere Vision ist ein ideales Morgen - unabhängig von fossilen Energiequellen Werde auch du Teil der ait Seit 1998 tragen wir mit…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchHaag, NetherlandsHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“Das Familienunternehmen OCHSNER hat sich als eines der ersten Unternehmen weltweit ab 1978 ausschließlich auf die Entwicklung und Produktion von hocheffizienten…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchOslo, NorwayHQ recorded Nov 6, 202651-20088 contacts →

Exact match

“ABK-Qviller AS is Norway’s largest importer and competency centre for heat pumps, heat absorbers and air conditioners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLupfig, SwitzerlandHQ recorded Nov 6, 202651-20085 contacts →

Exact match

“STIEBEL ELTRON bietet komfortable und energieeffiziente Lösungen rund um die Themen Erneuerbare Energien, Warmwasser, Klima und Raumheizung.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchHedensted, DenmarkHQ recorded Nov 6, 202651-20084 contacts →

Exact match

“About Nilan - Manufacture of HVAC solutions for low energy buildings Nilan develops and manufactures premium-quality, energy-saving ventilation and heat pump solutions that are…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchDietikon, SwitzerlandHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“Vaillant Schweiz - Innovation trifft Nachhaltigkeit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchShakaskraal, South AfricaHQ recorded Nov 6, 2026201-50082 contacts →

Exact match

“WHO ARE WE?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAuckland, New ZealandHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“We are New Zealand’s Heat Pump and Air Conditioning Specialists.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,797 ground source heat pump manufacturers worldwide

See the full list, filter by size, metro and specialty, and access 6,823 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Ground source heat pump manufacturers worldwide at a glance

As of Nov 6, 2026
28.7%Verified-email coverage
13.2Average contacts per company
11-50Median size (employees)
1.1%Largest-city concentration · Foshan
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
858
11-50
566
51-200
181
201-500
60
501-1,000
36
1,001-5,000
26
5,001-10,000
4
10001+
9

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 ground source heat pump manufacturers are linked below.
What qualifies
Company records worldwide whose business descriptions match “ground source heat pump manufacturers” 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 6,823 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.

Ground source heat pump manufacturers by location

18 lists · largest first

Every Ground source 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 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 “ground source heat pump manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many ground source heat pump manufacturers are there worldwide?

RevenueBase identified 1,797 company matches for ground source heat pump manufacturers 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?

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

Which country has the most ground source heat pump manufacturers?

The United Kingdom leads with 171 companies, followed by France (168) and the United States (158). Every ground source heat pump manufacturers list by country and city is linked on this page.

Which city has the most ground source heat pump manufacturers?

Foshan leads with 20 company records, followed by Guangzhou (15) and London (11).

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 6,823 professional contacts with verified work emails tracked across these 1,797 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.