Company lists · Data refreshed November 2026

Top 16 High-efficiency furnace operators based in the United Kingdom

RevenueBase identified 63 company matches for high-efficiency furnace operators associated with the United Kingdom as of November 2026 and tracks 380 professional contacts across them, including 136 with verified work emails. London is the largest hub.

This list covers company matches for high-efficiency furnace 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
63Companies
380Contacts tracked
136Verified emails
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The 16 largest high-efficiency furnace operators based in the United Kingdom

Ranked by team size
Top 16 of 63 company matches for high-efficiency furnace 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 matchUnit 5-6 Boudicca Road, United KingdomHQ recorded Nov 6, 2026501-1,000136 contacts →

Exact match

“With over 40 years of successful delivery experience in the domestic and commercial markets you can trust Sureserve Compliance Central with all your heating needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchKeighley, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“CLEVER ENERGY BOILERS is part of the Green Deal Factory.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchReading, United KingdomHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“At Premier Heating Solutions, we provide homeowners across Berkshire, South Oxfordshire, and North Hampshire with reliable, energy-efficient plumbing, heating and electrical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchStockport, United KingdomHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Flueclean have been providing Commercial and Industrial heating services throughout the North West for over 50 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchStockton-on-tees, United KingdomHQ recorded Nov 6, 20261-107 contacts →

Exact match

“With over 30 years of industry experience, we support clients across the education, commercial, industrial and public sectors with a strong focus on service, maintenance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchSwindon, United KingdomHQ recorded Nov 6, 202611-506 contacts →

Exact match

“Established in 1896, Edward Bays Ltd is one of the South West's longest-standing mechanical services contractors.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBedfordshire, United KingdomHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Founded in 1972, Sun Realm Heating Co.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLincoln, United KingdomHQ recorded Nov 6, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLeicester, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“At CRS Matrix, we know that you want to be comfortable and worry-free in your home.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPoole, United KingdomHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Asbury Heating is your local commercial heating services provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPolegate, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMartlesham, United KingdomHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Over the last 20 years, Clima-Tech has established itself as an HVAC service & heating specialist with a fantastic reputation in the local area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchNorwich, United KingdomHQ recorded Nov 6, 20261-102 contacts →

Exact match

“You can rely on Gas and Air Technology Ltd for all of your heating and cooling requirements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNorwich, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchStanford-le-hope, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“EATONAIR LIMITED is a Hvac company based out of: Unit 7 Curtis Farm High Road Fobbing Essex United Kingdom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHorsham, United KingdomHQ recorded Nov 6, 20261-101 contacts →

Exact match

“We are specialists within the commercial heating sector calling on our many years of experience and satisfied customers.”

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

Showing 16 of 63 high-efficiency furnace operators based in the United Kingdom

See the full list, filter by size, metro and specialty, and access 136 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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High-efficiency furnace operators based in the United Kingdom at a glance

As of Nov 6, 2026
35.8%Verified-email coverage
6.0Average contacts per company
1-10Median size (employees)
6.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
39
11-50
13
51-200
4
501-1,000
2

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 63 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 “high-efficiency furnace 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 136 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 “high-efficiency furnace operators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many high-efficiency furnace operators are there based in the United Kingdom?

RevenueBase identified 63 company matches for high-efficiency furnace 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?

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

Which city has the most high-efficiency furnace operators?

London leads with 4 company records, followed by Stockport (2) and Surbiton (2).

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 136 professional contacts with verified work emails tracked across these 63 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.