Company lists · Data refreshed October 2026

Top 25 Industrial heat suppliers based in the United Kingdom

Name: Industrial heat suppliers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 16, 2026 364 companies tracked

RevenueBase identified 364 company matches for industrial heat suppliers associated with the United Kingdom as of October 2026 and tracks 4,135 professional contacts across them, including 1,416 with verified work emails. London is the largest hub.

This list covers company matches for industrial heat suppliers 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 October 16, 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 Oct 16, 2026 How this list was built

364Companies

4,135Contacts tracked

1,416Verified emails

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The 25 largest industrial heat suppliers based in the United Kingdom

Ranked by team size

Top 25 of 364 company matches for industrial heat suppliers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 16, 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	Dimplex UK	Exact match	Southampton, United KingdomHQ recorded Oct 16, 2026	501-1,000	195 contacts →
	Exact match “For over 75 years, Dimplex has been the trusted name for electric heating.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
2	Grant Engineering UK LTD	Exact match	Swindon, United KingdomHQ recorded Oct 16, 2026	51-200	120 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 · Oct 16, 2026 · View company records in RevenueBase
3	Cochran	Exact match	Annan, United KingdomHQ recorded Oct 16, 2026	201-500	119 contacts →
	Exact match “Cochran has been embedded within industrial boiler manufacturing since 1878.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
4	SAV Systems	Exact match	Woking, United KingdomHQ recorded Oct 16, 2026	51-200	99 contacts →
	Exact match “SAV Systems is an established provider of energy-efficient heating and ventilation solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
5	Byworth Boilers Limited	Exact match	Keighley, United KingdomHQ recorded Oct 16, 2026	51-200	95 contacts →
	Exact match “Your industrial boiler is at the heart of your operations.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
6	Spirax Sarco UK And Ireland	Exact match	Cheltenham, United KingdomHQ recorded Oct 16, 2026	1,001-5,000	95 contacts →
	Exact match “Why are we here?” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
7	JBC	Exact match	Normanton, United KingdomHQ recorded Oct 16, 2026	51-200	91 contacts →
	Exact match “JBC Industrial Services is the leading name in Industrial Boiler and Burner service, maintenance, and repair.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
8	Boustead International Heaters	Exact match	Burgess Hill, United KingdomHQ recorded Oct 16, 2026	51-200	83 contacts →
	Exact match “Boustead International Heaters is a leading global specialist in designing, engineering and supplying direct-fired process heater systems, waste heat recovery units and once…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
9	Sterling Thermal Technology LTD	Exact match	Aylesbury, United KingdomHQ recorded Oct 16, 2026	51-200	71 contacts →
	Exact match “Your trusted heat exchanger manufacturer - From first principles to lasting partnerships Heat exchanger manufacturer since 1904, we design and produce to custom specifications.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
10	Nu-Heat Underfloor Heating & Renewables	Exact match	Honiton, United KingdomHQ recorded Oct 16, 2026	51-200	71 contacts →
	Exact match “As the UK's largest supplier of warm water underfloor heating and integrated renewables, Nu‑Heat delivers fully designed, energy efficient systems to installers, housebuilders…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
11	James Ramsay	Exact match	Glasgow, United KingdomHQ recorded Oct 16, 2026	51-200	59 contacts →
	Exact match “Heating - Pipework - Process - Maintenance.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
12	PHC Parts	Exact match	City Of Bristol, United KingdomHQ recorded Oct 16, 2026	51-200	56 contacts →
	Exact match “PHC are an established, specialist supplier of parts for domestic and commercial heating, plumbing, air conditioning and refrigeration systems.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
13	Mitsubishi Heavy Industries Air-Conditioning Europe	Exact match	Uxbridge, United KingdomHQ recorded Oct 16, 2026	51-200	55 contacts →
	Exact match “Welcome to Mitsubishi Heavy Industries Air Conditioning Europe Ltd (MHIAE), a company created by MHI for all HVAC solutions across Europe.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
14	Hamworthy Heating LTD	Exact match	Hull, United KingdomHQ recorded Oct 16, 2026	51-200	49 contacts →
	Exact match “Hamworthy Heating is a British manufacturer and supplier of commercial heating and hot water products.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
15	Hawco Limited	Exact match	Godalming, United KingdomHQ recorded Oct 16, 2026	51-200	46 contacts →
	Exact match “Hawco Ltd is a value-added distributor and technical partner in the HVAC, refrigeration and industrial components market.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
16	Vokera By Riello	Exact match	Hertfordshire, United KingdomHQ recorded Oct 16, 2026	11-50	44 contacts →
	Exact match “For over 40 years, Vokèra has been a trusted name in home heating across the UK and Ireland, delivering reliable, energy efficient solutions for domestic and light commercial…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
17	GDC Group LTD	Exact match	Southampton, United KingdomHQ recorded Oct 16, 2026	51-200	42 contacts →
	Exact match “GDC is the holding company for some of the best known brands in the heating industry, including Dimplex, Creda NOBO, Faber, Robinson Willey, Valor, Wonderfire, Glen, Unidare…” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
18	Rapid Energy LTD	Exact match	Sheerness, United KingdomHQ recorded Oct 16, 2026	n/a	41 contacts →
	Exact match “Established in February 2020, Rapid Energy is a dynamic business operating in the UK temporary HVAC sector.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
19	Lochinvar, UK	Exact match	Banbury, United KingdomHQ recorded Oct 16, 2026	11-50	36 contacts →
	Exact match “Lochinvar designs, manufactures and distributes a comprehensive range of high efficiency gas fired water heaters and boilers for commercial and industrial applications.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
20	Backer Heatrod LTD	Exact match	Bolton, United KingdomHQ recorded Oct 16, 2026	11-50	36 contacts →
	Exact match “Backer Heatrod manufacture both domestic and industrial electric heating products and solutions.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
21	Babcock Wanson UK LTD	Exact match	Borehamwood, United KingdomHQ recorded Oct 16, 2026	51-200	35 contacts →
	Exact match “Babcock Wanson offers a complete range of products and services for your boiler house.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
22	Heating Trade Supplies	Exact match	Newcastle Upon Tyne, United KingdomHQ recorded Oct 16, 2026	51-200	32 contacts →
	Exact match “At HTS Group our main objective is to help boiler maintenance companies generate savings on the boiler spare parts expenditure.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
23	Oceanair UK LTD	Exact match	Mansfield, United KingdomHQ recorded Oct 16, 2026	11-50	29 contacts →
	Exact match “Oceanair is an award-winning distributor of air conditioning and heating products.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
24	Johnson & Starley LTD	Exact match	Northampton, United KingdomHQ recorded Oct 16, 2026	51-200	29 contacts →
	Exact match “As a market leader in providing energy efficient heating and ventilation solutions, Johnson & Starley has an impressive portfolio of products.” Recorded in the RevenueBase company graph · Oct 16, 2026 · View company records in RevenueBase
25	Thermex Limited	Exact match	Redditch, United KingdomHQ recorded Oct 16, 2026	51-200	28 contacts →
	Exact match “As a leading manufacturer of heat exchangers since 1979, Thermex has an outstanding global reputation for combining engineering excellence with extensive industry knowledge.” Recorded in the RevenueBase company graph · Oct 16, 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 “industrial heat suppliers”. 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 364 industrial heat suppliers based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 1,416 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Industrial heat suppliers based in the United Kingdom at a glance

As of Oct 16, 2026

34.2%Verified-email coverage

11.4Average contacts per company

11-50Median size (employees)

4.4%Largest-city concentration · London

Oct 16, 2026Page data refreshed

Companies by employee count

1-10

167

11-50

126

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 364 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 “industrial heat suppliers” 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 1,416 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 October 16, 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 “industrial heat suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many industrial heat suppliers are there based in the United Kingdom?

RevenueBase identified 364 company matches for industrial heat suppliers associated with the United Kingdom as of October 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?

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

Which city has the most industrial heat suppliers?

London leads with 16 company records, followed by Birmingham (7) and Glasgow (6).

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 1,416 professional contacts with verified work emails tracked across these 364 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 October 16, 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.