Company lists · Data refreshed November 2026

Top 25 Heat pump startups worldwide

RevenueBase identified 4,308 company matches for heat pump startups worldwide as of November 2026 and tracks 44,336 professional contacts across them, including 11,804 with verified work emails. The United States is the largest market and Guangzhou the largest hub.

This list covers company matches for heat pump startups 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 heat pump startups 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
4,308Companies
44,336Contacts tracked
11,804Verified emails
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The 25 largest heat pump startups worldwide

Ranked by team size
Top 25 of 4,308 company matches for heat pump startups 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 matchNordborg, DenmarkHQ recorded Nov 6, 202610001+1,279 contacts →

Exact match

“At Danfoss Climate Solutions, we engineer energy-efficient heating and cooling solutions to help the world get more out of less.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWarwick, United KingdomHQ recorded Nov 6, 20261,001-5,000865 contacts →

Exact match

“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact 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
7Exact matchReggio Emilia, ItalyHQ recorded Nov 6, 2026501-1,000424 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWeybridge, United KingdomHQ recorded Nov 6, 2026201-500420 contacts →

Exact match

“Experts in our field, Daikin UK is a leading supplier of heating, cooling and refrigeration solutions for commercial, residential and industrial applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchGaithersburg, MD, United StatesHQ recorded Nov 6, 2026201-500333 contacts →

Exact match

“Boland is the leading commercial HVAC systems, services, and building energy solutions provider in the DC metro area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBraeside, AustraliaHQ recorded Nov 6, 2026201-500323 contacts →

Exact match

“Following Rinnai's international origins dating back more than 100 years, Rinnai Australia was established 50 years ago and since then has been providing Australians with the best…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact matchColumbus, TX, United StatesHQ recorded Nov 6, 20261,001-5,000249 contacts →

Exact match

“Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact 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
14Exact matchFenton, NE, United StatesHQ recorded Nov 6, 2026201-500227 contacts →

Exact match

“Trane® is a world leader in air conditioning systems, services and solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact 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
17Exact 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
18Exact matchFeldmeilen, SwitzerlandHQ recorded Nov 6, 2026201-500195 contacts →

Exact match

“Hoval – Verantwortung für Energie und Umwelt Die Marke Hoval zählt international zu den führenden Unternehmen für Heiz- und Raumklimalösungen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKajang, MalaysiaHQ recorded Nov 6, 2026501-1,000177 contacts →

Exact match

“Dunham-Bush is one of the world's top commercial air-conditioning manufacturers, we offers a complete range of HVAC/R products such as large chillers, heat pumps, thermal energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact 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
21Exact matchCapelle Aan Den Ijssel, NetherlandsHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“Daikin is wereldwijd marktleider op het gebied van HVAC-R systemen en specialist in verwarmen en koelen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWavre, BelgiumHQ recorded Nov 6, 202651-200158 contacts →

Exact match

“Experts in our field, Daikin Belgium is a leading supplier of heating, cooling and refrigeration solutions for commercial, residential and industrial applications.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMontpellier, FranceHQ recorded Nov 6, 2026201-500142 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact 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
25Exact matchSparta, WI, United StatesHQ recorded Nov 6, 202651-200125 contacts →

Exact match

“Multistack® manufactures modular and conventional chillers, modular geothermal heat pumps, modular air-to-water heat pumps, and modular Dedicated Heat Recovery Chillers (DHRC®) in…”

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

Showing 25 of 4,308 heat pump startups worldwide

See the full list, filter by size, metro and specialty, and access 11,804 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Heat pump startups worldwide at a glance

As of Nov 6, 2026
26.6%Verified-email coverage
10.3Average contacts per company
1-10Median size (employees)
0.5%Largest-city concentration · Guangzhou
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,228
11-50
1,358
51-200
373
201-500
90
501-1,000
45
1,001-5,000
41
5,001-10,000
5
10001+
23

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 pump startups are linked below.
What qualifies
Company records worldwide whose business descriptions match “heat pump startups” 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 11,804 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.

Heat pump startups by location

19 lists · largest first

Every Heat pump startups 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 pump startups”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many heat pump startups are there worldwide?

RevenueBase identified 4,308 company matches for heat pump startups 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 heat pump startups?

The United States leads with 1,021 companies, followed by France (442) and Canada (230). Every heat pump startups list by country and city is linked on this page.

Which city has the most heat pump startups?

Guangzhou leads with 20 company records, followed by London (20) and Foshan (18).

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 11,804 professional contacts with verified work emails tracked across these 4,308 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.