Company lists · Data refreshed November 2026

Top 25 Renewable heating companies worldwide

RevenueBase identified 15,129 company matches for renewable heating companies worldwide as of November 2026 and tracks 108,921 professional contacts across them, including 29,138 with verified work emails. The United Kingdom is the largest market and London the largest hub.

This list covers company matches for renewable heating companies 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 renewable heating companies 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
15,129Companies
108,921Contacts tracked
29,138Verified emails
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The 25 largest renewable heating companies worldwide

Ranked by team size
Top 25 of 15,129 company matches for renewable heating companies 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 matchLevallois-perret, FranceHQ recorded Nov 6, 20261,001-5,0001,054 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
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 matchLelystad, NetherlandsHQ recorded Nov 6, 20261,001-5,000813 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
5Exact matchBlackburn, United KingdomHQ recorded Nov 6, 2026501-1,000771 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
6Exact matchStockholm, SwedenHQ recorded Nov 6, 2026201-500593 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
7Exact matchChippenham, United KingdomHQ recorded Nov 6, 2026201-500515 contacts →

Exact match

“Good Energy has been driving the UK’s renewable energy revolution since helping homes and businesses become greener and more self-sufficient through clean power and green…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact 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
10Exact matchNoisy-le-grand, FranceHQ recorded Nov 6, 2026501-1,000491 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
11Exact 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
12Exact matchBumi Serpong Damai City Tangerang Selatan, IndonesiaHQ recorded Nov 6, 2026201-500467 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
13Exact matchZwolle, NetherlandsHQ recorded Nov 6, 20261,001-5,000464 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
14Exact 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
15Exact matchApeldoorn, NetherlandsHQ recorded Nov 6, 2026201-500410 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
16Exact matchVilleneuve-d’ascq, FranceHQ recorded Nov 6, 2026501-1,000384 contacts →

Exact match

“Kbane est la 1ère enseigne en France, dédiée à la maison performante.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLisbon, PortugalHQ recorded Nov 6, 2026201-500379 contacts →

Exact match

“Greenvolt Next is your guide to change the way on how you produce, consume, and share energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact 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
19Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000311 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
20Exact matchHull, United KingdomHQ recorded Nov 6, 2026501-1,000310 contacts →

Exact match

“The UK’s leading heating manufacturer, providing reliable, sustainable warmth through boilers, heat pumps and controls Rated Excellent on Trustpilot Award-winning Keeping Homes…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchRennes, FranceHQ recorded Nov 6, 2026501-1,000282 contacts →

Exact match

“Aäsgard est une enseigne de distribution, d’installation et d'entretien de poêles à bois et à granulés haut de gamme, au design contemporain, d’origine essentiellement scandinave…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026n/a267 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLondon, United KingdomHQ recorded Nov 6, 20261,001-5,000261 contacts →

Exact match

“Sureserve aim to be the trusted partner of choice to the social housing and related public sector in delivering essential and affordable heating, energy savings, and compliance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchCairo, EgyptHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

“Energy & Contracting Solutions (ECS) is one of Egypt’s leading players in sustainable energy and contracting solutions, developing a solid track record of over 350 projects…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchMalatya, TürkiyeHQ recorded Nov 6, 2026501-1,000242 contacts →

Exact match

“Mimsan Grup; Yakma ve Enerji Sistemleri Üreten 41 Yıllık Bir Deneyime Sahip Endüstri Firmasıdır.”

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

Showing 25 of 15,129 renewable heating companies worldwide

See the full list, filter by size, metro and specialty, and access 29,138 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable heating companies worldwide at a glance

As of Nov 6, 2026
26.8%Verified-email coverage
7.2Average contacts per company
1-10Median size (employees)
0.8%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
7,858
11-50
4,904
51-200
1,176
201-500
197
501-1,000
73
1,001-5,000
55
5,001-10,000
10
10001+
16

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 renewable heating companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “renewable heating companies” 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 29,138 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.

Renewable heating companies by location

33 lists · largest first

Every Renewable heating companies 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 “renewable heating companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable heating companies are there worldwide?

RevenueBase identified 15,129 company matches for renewable heating companies 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 renewable heating companies?

The United Kingdom leads with 2,129 companies, followed by France (1,859) and Germany (1,852). Every renewable heating companies list by country and city is linked on this page.

Which city has the most renewable heating companies?

London leads with 119 company records, followed by Madrid (64) and Berlin (63).

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 29,138 professional contacts with verified work emails tracked across these 15,129 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.