Company lists · Data refreshed September 2026

Top 25 Oil heating equipment manufacturers based in the United Kingdom

Name: Oil heating equipment manufacturers based in the United Kingdom
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 144 companies tracked

RevenueBase identified 144 company matches for oil heating equipment manufacturers associated with the United Kingdom as of September 2026 and tracks 2,608 professional contacts across them, including 724 with verified work emails. London is the largest hub.

This list covers company matches for oil heating equipment manufacturers 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 September 30, 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 Sep 30, 2026 How this list was built

144Companies

2,608Contacts tracked

724Verified emails

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The 25 largest oil heating equipment manufacturers based in the United Kingdom

Ranked by team size

Top 25 of 144 company matches for oil heating equipment manufacturers based in the United Kingdom, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 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	Ideal Heating	Exact match	Hull, United KingdomHQ recorded Sep 30, 2026	501-1,000	286 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 · Sep 30, 2026 · View company records in RevenueBase
2	Dimplex UK	Exact match	Southampton, United KingdomHQ recorded Sep 30, 2026	501-1,000	201 contacts →
	Exact match “For over 75 years, Dimplex has been the trusted name for electric heating.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Byworth Boilers Limited	Exact match	Keighley, United KingdomHQ recorded Sep 30, 2026	51-200	96 contacts →
	Exact match “Your industrial boiler is at the heart of your operations.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	Rointe Heating	Exact match	Peterborough, United KingdomHQ recorded Sep 30, 2026	51-200	83 contacts →
	Exact match “With over 35 years of experience, and as Europe's leading manufacturer of electric heating, Rointe is ideally placed to help our customers choose the right heating system, at the…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Boustead International Heaters	Exact match	Burgess Hill, United KingdomHQ recorded Sep 30, 2026	51-200	79 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 · Sep 30, 2026 · View company records in RevenueBase
6	Stelrad LTD	Exact match	Mexborough, United KingdomHQ recorded Sep 30, 2026	201-500	75 contacts →
	Exact match “Celebrating our 90th anniversary, Stelrad is the UK market leader in central heating radiators, providing the most extensive selection of radiators in various sizes compared to…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Intergas Heating LTD	Exact match	Kidderminster, United KingdomHQ recorded Sep 30, 2026	201-500	61 contacts →
	Exact match “We’re Dutch, we manufacture ultra-efficient domestic boilers and we want to make the world a better place for all of us.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Alpha Heating Innovation	Exact match	Wrotham Heath, United KingdomHQ recorded Sep 30, 2026	51-200	55 contacts →
	Exact match “Established over 50 years, Alpha is recognised today as one of the leaders in the UK’s heating industry.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Hamworthy Heating LTD	Exact match	Hull, United KingdomHQ recorded Sep 30, 2026	51-200	45 contacts →
	Exact match “Hamworthy Heating is a British manufacturer and supplier of commercial heating and hot water products.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Vokera By Riello	Exact match	Hertfordshire, United KingdomHQ recorded Sep 30, 2026	11-50	45 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 · Sep 30, 2026 · View company records in RevenueBase
11	GDC Group LTD	Exact match	Southampton, United KingdomHQ recorded Sep 30, 2026	51-200	43 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 · Sep 30, 2026 · View company records in RevenueBase
12	Lochinvar, UK	Exact match	Banbury, United KingdomHQ recorded Sep 30, 2026	11-50	40 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 · Sep 30, 2026 · View company records in RevenueBase
13	Smith's EP UK	Exact match	Chelmsford, United KingdomHQ recorded Sep 30, 2026	51-200	39 contacts →
	Exact match “Founded in 1991, Smith’s EP UK has grown organically to become the UK’s leading supplier of hydronic fan convector products, providing versatile, energy efficient heating…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Warmflow Engineering Co. Limited	Exact match	Lisburn, United KingdomHQ recorded Sep 30, 2026	51-200	38 contacts →
	Exact match “Warmflow specialise in design, manufacturing, fabrication, sub assembly and kitting solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	Fulton Boiler Works GB Limited	Exact match	Bristol, United KingdomHQ recorded Sep 30, 2026	51-200	38 contacts →
	Exact match “Fulton Ltd specialises in the design and manufacture of steam, hot water, thermal fluid boilers, packaged plant rooms and skid-mounted systems for industrial, commercial and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Babcock Wanson UK LTD	Exact match	Borehamwood, United KingdomHQ recorded Sep 30, 2026	51-200	36 contacts →
	Exact match “Babcock Wanson offers a complete range of products and services for your boiler house.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Castrads	Exact match	Stockport, United KingdomHQ recorded Sep 30, 2026	51-200	34 contacts →
	Exact match “Castrads, established in England in 2006, manufactures custom-built, custom-finished radiators as well as controls and fittings that are suitable for both steam and hydronic…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Atag Heating Technology UK Limited	Exact match	Dunfermline, United KingdomHQ recorded Sep 30, 2026	51-200	31 contacts →
	Exact match “BUILT TO LAST ATAG truly is a unique company.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Johnson & Starley LTD	Exact match	Northampton, United KingdomHQ recorded Sep 30, 2026	51-200	26 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 · Sep 30, 2026 · View company records in RevenueBase
20	Strebel UK	Exact match	Farnborough, United KingdomHQ recorded Sep 30, 2026	11-50	25 contacts →
	Exact match “Strebel is one of Europe's leading suppliers of commercial heating and hot water solutions.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Merriott UK	Exact match	Gateshead, United KingdomHQ recorded Sep 30, 2026	201-500	24 contacts →
	Exact match “Merriott is the better choice for bespoke heating solutions for commercial applications across the UK and Ireland.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Herz UK LTD	Exact match	Peterborough, United KingdomHQ recorded Sep 30, 2026	11-50	21 contacts →
	Exact match “Herz UK Ltd is based in Peterborough and has operated in the UK for over 50 years.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Irsap UK Limited	Exact match	East Grinstead, United KingdomHQ recorded Sep 30, 2026	1,001-5,000	17 contacts →
	Exact match “IRSAP Group (Italy’s leading manufacturer of designer radiators) acquired UK Heating Group, the UK’s leading independent distributor of designer radiators to the Plumbing &…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Schwank UK	Exact match	Doncaster, United KingdomHQ recorded Sep 30, 2026	11-50	17 contacts →
	Exact match “The Schwank Group.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Eogb Energy Products LTD	Exact match	St Neots, United KingdomHQ recorded Sep 30, 2026	11-50	14 contacts →
	Exact match “EOGB is a leading manufacturer and distributor of oil, gas and dual-fuel burners from 14kW to 45MW for domestic, commercial and industrial applications.” Recorded in the RevenueBase company graph · Sep 30, 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 “oil heating equipment manufacturers”. 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 144 oil heating equipment manufacturers based in the United Kingdom

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Oil heating equipment manufacturers based in the United Kingdom at a glance

As of Sep 30, 2026

27.8%Verified-email coverage

18.1Average contacts per company

11-50Median size (employees)

4.9%Largest-city concentration · London

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 144 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 “oil heating equipment manufacturers” 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 724 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 September 30, 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 “oil heating equipment manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many oil heating equipment manufacturers are there based in the United Kingdom?

RevenueBase identified 144 company matches for oil heating equipment manufacturers associated with the United Kingdom as of September 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?

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

Which city has the most oil heating equipment manufacturers?

London leads with 7 company records, followed by Hull (4) and Birmingham (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 724 professional contacts with verified work emails tracked across these 144 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 September 30, 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.