Company lists · Data refreshed November 2026

Top 25 Sustainable heating solution providers worldwide

Name: Sustainable heating solution providers worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 15,443 companies tracked

RevenueBase identified 15,443 company matches for sustainable heating solution providers worldwide as of November 2026 and tracks 124,775 professional contacts across them, including 34,217 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for sustainable heating solution providers 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 sustainable heating solution providers 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

15,443Companies

124,775Contacts tracked

34,217Verified emails

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The 25 largest sustainable heating solution providers worldwide

Ranked by team size

Top 25 of 15,443 company matches for sustainable heating solution providers 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Groupe Atlantic	Exact match	La Roche-sur- Yon, FranceHQ recorded Nov 6, 2026	10001+	3,522 contacts →
	Exact match “Depuis sa création en 1968, GROUPE ATLANTIC est devenu l’un des acteurs majeurs du HVAC (Heating, Ventilation & Air Conditioning – chauffage, ventilation et climatisation) en…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Vaillant Group	Exact match	Remscheid, GermanyHQ recorded Nov 6, 2026	10001+	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
3	Danfoss Climate Solutions	Exact match	Nordborg, DenmarkHQ recorded Nov 6, 2026	10001+	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
4	Proxiserve	Exact match	Levallois-perret, FranceHQ recorded Nov 6, 2026	1,001-5,000	1,054 contacts →
	Exact match “A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	BAXI	Exact match	Warwick, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	865 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
6	BEW Berliner Energie UND Wärme Gmbh	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	1,001-5,000	833 contacts →
	Exact match “Wärme für Berlin.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Feenstra	Exact match	Lelystad, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	813 contacts →
	Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Vital Energi	Exact match	Blackburn, United KingdomHQ recorded Nov 6, 2026	501-1,000	771 contacts →
	Exact match “Our 30+ years’ experience have involved us in the creation of major UK district heating networks in areas such as Sheffield, Nottingham and London.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Chromalox	Exact match	Pittsburgh, United StatesHQ recorded Nov 6, 2026	1,001-5,000	663 contacts →
	Exact match “When industrial operations depend on heat that simply cannot fail, Chromalox brings unmatched technical knowledge and high‑performance electric heating solutions that stand the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Flogas Britain	Exact match	Syston, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	657 contacts →
	Exact match “At Flogas we do things right.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	AIRA	Exact match	Stockholm, SwedenHQ recorded Nov 6, 2026	201-500	593 contacts →
	Exact match “Aira is the next generation home energy champion.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Stiebel Eltron Group	Exact match	Holzminden, GermanyHQ recorded Nov 6, 2026	5,001-10,000	509 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
13	Groupe Coriance	Exact match	Noisy-le-grand, FranceHQ recorded Nov 6, 2026	501-1,000	491 contacts →
	Exact match “Pour une énergie propre et mieux utilisée Notre mission : fournir des solutions énergétiques performantes et économiques, tout en minimisant l'impact environnemental.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Baymak BDR Thermea Group	Exact match	İstanbul, TürkiyeHQ recorded Nov 6, 2026	501-1,000	484 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
15	Euroasiatic	Exact match	Bumi Serpong Damai City Tangerang Selatan, IndonesiaHQ recorded Nov 6, 2026	201-500	467 contacts →
	Exact match “Euroasiatic (EA) is a Heat & Power Generation Solutions Provider.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Energiewacht	Exact match	Zwolle, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	464 contacts →
	Exact match “Welkom in de boeiende wereld van de energietransitie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Columbus Energy S.A	Exact match	Kraków, PolandHQ recorded Nov 6, 2026	1,001-5,000	450 contacts →
	Exact match “Jesteśmy najczęściej wybieranym dostawcą domowej fotowoltaiki w Polsce.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	Thermondo	Exact match	Berlin, GermanyHQ recorded Nov 6, 2026	1,001-5,000	446 contacts →
	Exact match “Gemeinsam machen wir Wohnen klimaneutral!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Ferroli Group	Exact match	San Bonifacio, ItalyHQ recorded Nov 6, 2026	1,001-5,000	442 contacts →
	Exact match “Feel Well.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Kanthal	Exact match	Hallstahammar, CA, ItalyHQ recorded Nov 6, 2026	1,001-5,000	433 contacts →
	Exact match “Electrification of heating processes is a key enabler for a fossil-free industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Immergas S.P.A	Exact match	Reggio Emilia, ItalyHQ recorded Nov 6, 2026	501-1,000	424 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
22	Remeha	Exact match	Apeldoorn, NetherlandsHQ recorded Nov 6, 2026	201-500	410 contacts →
	Exact match “Remeha, the comfort innovators Remeha ontwikkelt al sinds 1935 voortdurend innovatieve en energiezuinige producten voor warmte en warm water, zowel voor woningen als utiliteit.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Purmo Group	Exact match	Helsinki, FinlandHQ recorded Nov 6, 2026	1,001-5,000	341 contacts →
	Exact match “We are Purmo Group, leader in sustainable indoor climate comfort solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Rinnai Australia	Exact match	Braeside, AustraliaHQ recorded Nov 6, 2026	201-500	323 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
25	Remica	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	501-1,000	311 contacts →
	Exact match “Grupo Remica se crea en 1984 como empresa de instalación y mantenimiento de sistemas de calefacción, climatización y ACS.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “sustainable heating solution providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 15,443 sustainable heating solution providers worldwide

See the full list, filter by size, metro and specialty, and access 34,217 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Sustainable heating solution providers worldwide at a glance

As of Nov 6, 2026

27.4%Verified-email coverage

8.1Average contacts per company

1-10Median size (employees)

0.8%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

8,087

11-50

4,938

51-200

1,276

201-500

252

501-1,000

1,001-5,000

5,001-10,000

10001+

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 sustainable heating solution providers are linked below.
What qualifies: Company records worldwide whose business descriptions match “sustainable heating solution providers” 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 34,217 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.

Sustainable heating solution providers by location

42 lists · largest first

Every Sustainable heating solution providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “sustainable heating solution providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many sustainable heating solution providers are there worldwide?

RevenueBase identified 15,443 company matches for sustainable heating solution providers 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?

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

Which country has the most sustainable heating solution providers?

The United Kingdom leads with 2,167 companies, followed by France (1,645) and Germany (1,641). Every sustainable heating solution providers list by country and city is linked on this page.

Which city has the most sustainable heating solution providers?

London leads with 129 company records, followed by Berlin (74) and Madrid (60).

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 34,217 professional contacts with verified work emails tracked across these 15,443 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.