Company lists · Data refreshed November 2026

Top 25 Renewable district heating operators based in the United Kingdom

RevenueBase identified 153 company matches for renewable district heating operators associated with the United Kingdom as of November 2026 and tracks 3,150 professional contacts across them, including 1,419 with verified work emails. London is the largest hub.

This list covers company matches for renewable district heating operators associated with the United Kingdom, 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.

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
153Companies
3,150Contacts tracked
1,419Verified emails
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The 25 largest renewable district heating operators based in the United Kingdom

Ranked by team size
Top 25 of 153 company matches for renewable district heating operators based in the United Kingdom, 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 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
2Exact 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
3Exact matchShipley, United KingdomHQ recorded Nov 6, 2026201-500162 contacts →

Exact match

“Switch2 is the UK’s most experienced and capable provider of end-to-end solutions for residential heat networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCarlisle, United KingdomHQ recorded Nov 6, 202651-200147 contacts →

Exact match

“Together to Zero.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-200132 contacts →

Exact match

“We are Bring Energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSwindon, United KingdomHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“We are a leading supplier of sustainable heating systems, including HVO boilers, air source heat pumps, solar thermal, hot water storage cylinders, aluminium radiators and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPeterborough, United KingdomHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Heat network services that put you and your residents first.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLondon, United KingdomHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“Rendesco is the UK’s leading clean energy tech developer and operator, focusing on the electrification of heat using heat pumps and heat networks to decarbonise Britain’s…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBristol, United KingdomHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“ThermaMech is one of the UK’s fastest growing businesses within the District Heating Installation market, currently employing around 30 people in the UK.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBirchanger, United KingdomHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“DMG Delta is a leading provider of heat networks, maintenance, engineering and energy solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMelton Mowbray, United KingdomHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“We know about Low carbon heat and power Award Winning Low Carbon system Design / Installation / Servicing If you have a need save energy cost or carbon, regardless of your…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchUnited KingdomHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Ener-Vate is a market-leading commercial consultancy firm with an extensive portfolio of low-carbon district heating and large scale energy infrastructure projects spanning the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBanham, United KingdomHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“MACBROOKGAS LTD is a heating and Insulation company based out of United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAmmanford, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Thermal Earth is a leading UK distributor of renewable heating technologies incorporating wood biomass boilers, heat pumps and solar thermal systems based in South Wales.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTiverton, United KingdomHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Gren finances, develops and operates district energy systems: bringing low carbon generation to towns and communities and then distributing that energy through power and heat…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWoodford Halse, United KingdomHQ recorded Nov 6, 202611-5018 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLondon, United KingdomHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Energetik is a limited company that has been set up and is wholly owned by Enfield Council.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchRamsgate, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Offering holistic end-to-end energy services Watkins Energy specialises in the design, construction, and ongoing operation and maintenance of both small and large-scale heat…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLiverpool, United KingdomHQ recorded Nov 6, 2026201-50014 contacts →

Exact match

“Communal Energy Partners are established key players in the communal and district heating industry with over 10 years experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchHatfield Peverel, United KingdomHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“We are Innasol Group.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“Proven Project Construction specialises in the design, supply, and installation of district heating networks including civil and mechanical works.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchThurnscoe, United KingdomHQ recorded Nov 6, 20261-109 contacts →

Exact match

“Introducing, Pure Atom… Pure atom provides renewable, energy efficient heating to people and industries with an environmental conscience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWoking, United KingdomHQ recorded Nov 6, 202611-508 contacts →

Exact match

“At New Heat Solutions, we are revolutionising heating technology for homes and businesses, offering smarter, more sustainable solutions that prioritise energy efficiency, cost…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAldershot, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Neater Heat is dedicated to exceeding expectations in an industry often known for poor communication and unreliability.”

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

Showing 25 of 153 renewable district heating operators based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,419 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable district heating operators based in the United Kingdom at a glance

As of Nov 6, 2026
45.0%Verified-email coverage
20.6Average contacts per company
1-10Median size (employees)
8.5%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
85
11-50
40
51-200
16
201-500
3
501-1,000
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United Kingdom, so it is reported there. Company counts and contact totals on this page are exact for United Kingdom, over 153 companies.

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.
What qualifies
Company records associated with the United Kingdom whose business descriptions match “renewable district heating operators” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,419 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.

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 district heating operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable district heating operators are there based in the United Kingdom?

RevenueBase identified 153 company matches for renewable district heating operators associated with the United Kingdom 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?

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

Which city has the most renewable district heating operators?

London leads with 13 company records, followed by Bristol (3) and Tiverton (3).

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 1,419 professional contacts with verified work emails tracked across these 153 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.