Company lists · Data refreshed October 2026
Top 25 Hvac and water treatment contractors based in the United Kingdom
RevenueBase identified 1,797 company matches for hvac and water treatment contractors associated with the United Kingdom as of October 2026 and tracks 11,982 professional contacts across them, including 4,374 with verified work emails. London is the largest hub.
This list covers company matches for hvac and water treatment contractors 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 14, 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.
The 25 largest hvac and water treatment contractors based in the United Kingdom
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 411 contacts → | ||||
Exact match “Experts in our field, Daikin UK is a leading supplier of heating, cooling and refrigeration solutions for commercial, residential and industrial applications.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 324 contacts → | ||||
Exact match “Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 310 contacts → | ||||
Exact match “Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 151 contacts → | ||||
Exact match “MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 146 contacts → | ||||
Exact match “Founded in 2004, Aspect combines expertise and innovation to deliver professional property care across London and the South East.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 141 contacts → | ||||
Exact match “We are a building services company specialised in Mechanical and Public Health sectors, carrying out heating, air conditioning, plumbing and domestic services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 136 contacts → | ||||
Exact match “Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 130 contacts → | ||||
Exact match “Commercial Maintenance Services UK Ltd (CMS) is a nationwide market leader in Facilities and Commercial Building Maintenance-proudly built on the values of Responsiveness…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 129 contacts → | ||||
Exact match “As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 127 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 · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 119 contacts → | ||||
Exact match “Neil Fisher started Airco in 1991.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 111 contacts → | ||||
Exact match “HomeServe EMEA makes home repairs and improvements easy.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 107 contacts → | ||||
Exact match “Daikin Applied (UK) Ltd (formerly McQuay UK Ltd) is the market leader in energy-efficient end-to-end HVAC solutions, including AHU and chiller products, heat pumps, service and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 101 contacts → | ||||
Exact match “Zehnder Group is a leading international provider of indoor climate solutions, offering a comprehensive range of products and services for comfortable and healthy living…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 100 contacts → | ||||
Exact match “Woodford specialise in mechanical and electrical building services for the construction market.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 91 contacts → | ||||
Exact match “At Aircon Group, we’re dedicated to providing exceptional levels of customer service in Air Conditioning, Refrigeration, and Air-Source Heating Services, which we have done for…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 91 contacts → | ||||
Exact match “Nationwide Air Conditioning Limited is a carbon-neutral business that has been exceeding customer expectations since 2001.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 80 contacts → | ||||
Exact match “HFL Building Solutions Group offers mobile maintenance services, integrated facilities services and building environmental services to wide range of sectors.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 69 contacts → | ||||
Exact match “Powrmatic is a leading manufacturer and solution provider of advanced HVAC systems, including warm air heating, radiant heating, electric and water-based systems, as well as…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 60 contacts → | ||||
Exact match “BTU (Installation and Maintenance) Ltd, is a privately owned business based in Guildford, Surrey.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 59 contacts → | ||||
Exact match “Aston Group is a leading Building Services and Facilities Maintenance Company for Commercial and Residential clients.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 59 contacts → | ||||
Exact match “PREAH Building Services: Redefining Excellence in Mechanical & Electrical Engineering Founded in 2014, PREAH Building Services stands at the forefront of the M&E sector across…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 58 contacts → | ||||
Exact match “Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 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 14, 2026 · View company records in RevenueBase | |||||
| 25 | 52 contacts → | ||||
Exact match “With over 30 years of expertise, Cooltherm delivers sustainable HVAC solutions across healthcare, education, construction, data centres, factories & manufacturing, and warehouse &…” Recorded in the RevenueBase company graph · Oct 14, 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 “hvac and water treatment contractors”. 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 1,797 hvac and water treatment contractors based in the United Kingdom
See the full list, filter by size, metro and specialty, and access 4,374 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hvac and water treatment contractors based in the United Kingdom at a glance
As of Oct 14, 2026Companies by employee count
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 1,797 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 “hvac and water treatment contractors” 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 4,374 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 14, 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.
Hvac and water treatment contractors by metro
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 “hvac and water treatment contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hvac and water treatment contractors are there based in the United Kingdom?
RevenueBase identified 1,797 company matches for hvac and water treatment contractors 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?
Daikin UK tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most hvac and water treatment contractors?
London leads with 147 company records, followed by Manchester (24) and Glasgow (21).
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 4,374 professional contacts with verified work emails tracked across these 1,797 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,797 hvac and water treatment contractors based in the United Kingdom. Start with a free account, no credit card.
Download this list →Related lists
Hvac and water treatment contractors by geography
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- Hvac and water treatment contractors based in Mississauga, Canada
- Hvac and water treatment contractors based in Montreal, Canada
- Hvac and water treatment contractors based in Ottawa, Canada
- Hvac and water treatment contractors based in Toronto, Canada
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Hvac and water treatment contractors based in Melbourne, Australia
- Hvac and water treatment contractors based in Sydney, Australia
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Company intelligence · public preview
Top 25 hvac and water treatment contractors based in the United Kingdom
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,797 matching company records for hvac and water treatment contractors based in the United Kingdom, with 11,982 tracked contacts and 4,374 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hvac and water treatment contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Daikin UKdaikin.co.ukHQ: Weybridge, United KingdomReported employees: 201-500 | Weybridge, United Kingdom | 201-500 | Exact match | 411 contacts → |
“Experts in our field, Daikin UK is a leading supplier of heating, cooling and refrigeration solutions for commercial, residential and industrial applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Space Engineering Services LTDspace-engineering.co.ukHQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 324 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Star Refrigerationstar-ref.co.ukHQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 310 contacts → |
“Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  MCSmcsmc.co.ukHQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 151 contacts → |
“MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Aspectaspect.co.ukHQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 146 contacts → |
“Founded in 2004, Aspect combines expertise and innovation to deliver professional property care across London and the South East.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sale Groupsalegroup.co.ukHQ: Cheam, United KingdomReported employees: 51-200 | Cheam, United Kingdom | 51-200 | Exact match | 141 contacts → |
“We are a building services company specialised in Mechanical and Public Health sectors, carrying out heating, air conditioning, plumbing and domestic services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Adcock Refrigeration And AIR Conditioningadcock.co.ukHQ: Cambridge, United KingdomReported employees: 201-500 | Cambridge, United Kingdom | 201-500 | Exact match | 136 contacts → |
“Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Commercial Maintenance Services UK Limitedcmsltd.co.ukHQ: Newcastle, United KingdomReported employees: 201-500 | Newcastle, United Kingdom | 201-500 | Exact match | 130 contacts → |
“Commercial Maintenance Services UK Ltd (CMS) is a nationwide market leader in Facilities and Commercial Building Maintenance-proudly built on the values of Responsiveness…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Swale Heating Part Of Sureserveswaleheating.comHQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Sureserve Compliance Centralsureserve.co.ukHQ: Unit 5-6 Boudicca Road, United KingdomReported employees: 501-1,000 | Unit 5-6 Boudicca Road, United Kingdom | 501-1,000 | Exact match | 127 contacts → |
“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 description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Airco Refrigeration And AIR Conditioning LTDairco.co.ukHQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 119 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Homeserve Emeahomeserveplc.comHQ: Walsall, United KingdomReported employees: 5,001-10,000 | Walsall, United Kingdom | 5,001-10,000 | Exact match | 111 contacts → |
“HomeServe EMEA makes home repairs and improvements easy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Daikin Applied UK LTDdaikinapplied.ukHQ: Cramlington, United KingdomReported employees: 51-200 | Cramlington, United Kingdom | 51-200 | Exact match | 107 contacts → |
“Daikin Applied (UK) Ltd (formerly McQuay UK Ltd) is the market leader in energy-efficient end-to-end HVAC solutions, including AHU and chiller products, heat pumps, service and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Zehnder Group UKzehnder.co.ukHQ: Camberley, United KingdomReported employees: 201-500 | Camberley, United Kingdom | 201-500 | Exact match | 101 contacts → |
“Zehnder Group is a leading international provider of indoor climate solutions, offering a comprehensive range of products and services for comfortable and healthy living…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Woodfordwoodford.ltd HQ: Loughton, United KingdomReported employees: 51-200 | Loughton, United Kingdom | 51-200 | Exact match | 100 contacts → |
“Woodford specialise in mechanical and electrical building services for the construction market.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Aircon Groupaircongroup.comHQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 91 contacts → |
“At Aircon Group, we’re dedicated to providing exceptional levels of customer service in Air Conditioning, Refrigeration, and Air-Source Heating Services, which we have done for…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Nationwide AIR Conditioning Limitednationwideairconditioning.comHQ: Edenbridge, United KingdomReported employees: 51-200 | Edenbridge, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Nationwide Air Conditioning Limited is a carbon-neutral business that has been exceeding customer expectations since 2001.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  HFL Building Solutions Grouphflbuildingsolutions.co.ukHQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 80 contacts → |
“HFL Building Solutions Group offers mobile maintenance services, integrated facilities services and building environmental services to wide range of sectors.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Powrmatic Limitedpowrmatic.co.ukHQ: Ilminster, United KingdomReported employees: 51-200 | Ilminster, United Kingdom | 51-200 | Exact match | 69 contacts → |
“Powrmatic is a leading manufacturer and solution provider of advanced HVAC systems, including warm air heating, radiant heating, electric and water-based systems, as well as…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  BTU Installation & Maintenance LTDbtu-group.comHQ: Guildford, United KingdomReported employees: 51-200 | Guildford, United Kingdom | 51-200 | Exact match | 60 contacts → |
“BTU (Installation and Maintenance) Ltd, is a privately owned business based in Guildford, Surrey.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Aston Groupastongroup.co.ukHQ: Romford, United KingdomReported employees: 51-200 | Romford, United Kingdom | 51-200 | Exact match | 59 contacts → |
“Aston Group is a leading Building Services and Facilities Maintenance Company for Commercial and Residential clients.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Preah Building Servicespreah.co.uk HQ: Newhouse, United KingdomReported employees: 51-200 | Newhouse, United Kingdom | 51-200 | Exact match | 59 contacts → |
“PREAH Building Services: Redefining Excellence in Mechanical & Electrical Engineering Founded in 2014, PREAH Building Services stands at the forefront of the M&E sector across…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  AIR Technology Systemsatsclimate.comHQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Uxbridge, United KingdomReported employees: 51-200 | Uxbridge, United Kingdom | 51-200 | Exact match | 55 contacts → |
“Welcome to Mitsubishi Heavy Industries Air Conditioning Europe Ltd (MHIAE), a company created by MHI for all HVAC solutions across Europe.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Coolthermcooltherm.co.ukHQ: Bridgeyate, United KingdomReported employees: 51-200 | Bridgeyate, United Kingdom | 51-200 | Exact match | 52 contacts → |
“With over 30 years of expertise, Cooltherm delivers sustainable HVAC solutions across healthcare, education, construction, data centres, factories & manufacturing, and warehouse &…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,797 company matches
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Hvac and water treatment contractors: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,771 records in the displayed employee bands.
26 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,797 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hvac and water treatment contractors by metro
Questions about this company list
What does Exact match mean for hvac and water treatment contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hvac and water treatment contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,797 matching company records, 11,982 tracked contacts and 4,374 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Hvac and water treatment contractors by geography
- Hvac and water treatment contractors based in Melbourne, Australia
- Hvac and water treatment contractors based in Sydney, Australia
- Hvac and water treatment contractors based in Belo Horizonte, Brazil
- Hvac and water treatment contractors based in Sao Paulo, Brazil
- Hvac and water treatment contractors based in Brampton, Canada
- Hvac and water treatment contractors based in Burnaby, Canada
- Hvac and water treatment contractors based in Calgary, Canada
- Hvac and water treatment contractors based in Edmonton, Canada
- Hvac and water treatment contractors based in Mississauga, Canada
- Hvac and water treatment contractors based in Montreal, Canada
- Hvac and water treatment contractors based in Ottawa, Canada
- Hvac and water treatment contractors based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 25 hvac and water treatment contractors based in the United Kingdom. Snapshot: October 14, 2026. https://revenuebase.ai/companies/hvac-and-water-treatment-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Hvac and water treatment contractors based in Melbourne, Australia
- Hvac and water treatment contractors based in Sydney, Australia
- Hvac and water treatment contractors based in Belo Horizonte, Brazil
- Hvac and water treatment contractors based in Sao Paulo, Brazil
- Hvac and water treatment contractors based in Brampton, Canada
- Hvac and water treatment contractors based in Burnaby, Canada
Company intelligence · public preview
Top 25 hvac and water treatment contractors based in the United Kingdom
RevenueBase records 1,797 matching company records for hvac and water treatment contractors based in the United Kingdom, with 11,982 tracked contacts and 4,374 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hvac and water treatment contractors based in the United Kingdom
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Daikin UKdaikin.co.uk HQ: Weybridge, United KingdomReported employees: 201-500 | Weybridge, United Kingdom | 201-500 | Exact match | 411 contacts → |
“Experts in our field, Daikin UK is a leading supplier of heating, cooling and refrigeration solutions for commercial, residential and industrial applications.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Space Engineering Services LTDspace-engineering.co.uk HQ: Bristol, United KingdomReported employees: 201-500 | Bristol, United Kingdom | 201-500 | Exact match | 324 contacts → |
“Space Engineering Services is the UK’s leading provider of refrigeration, heating, ventilation and air conditioning services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Star Refrigerationstar-ref.co.uk HQ: Glasgow, United KingdomReported employees: 201-500 | Glasgow, United Kingdom | 201-500 | Exact match | 310 contacts → |
“Star Refrigeration is a globally diversified cooling, heating, freezing, mechanical and electrical group of companies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | MCSmcsmc.co.uk HQ: Bristol, United KingdomReported employees: 51-200 | Bristol, United Kingdom | 51-200 | Exact match | 151 contacts → |
“MCS Ltd are specialist building services engineers covering all aspects of commercial and industrial building services and infrastructure engineering across varying market sectors.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Aspectaspect.co.uk HQ: London, United KingdomReported employees: 51-200 | London, United Kingdom | 51-200 | Exact match | 146 contacts → |
“Founded in 2004, Aspect combines expertise and innovation to deliver professional property care across London and the South East.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sale Groupsalegroup.co.uk HQ: Cheam, United KingdomReported employees: 51-200 | Cheam, United Kingdom | 51-200 | Exact match | 141 contacts → |
“We are a building services company specialised in Mechanical and Public Health sectors, carrying out heating, air conditioning, plumbing and domestic services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Adcock Refrigeration And AIR Conditioningadcock.co.uk HQ: Cambridge, United KingdomReported employees: 201-500 | Cambridge, United Kingdom | 201-500 | Exact match | 136 contacts → |
“Adcock Refrigeration and Air Conditioning design, install, service and care for systems in commercial, industrial and individual residential premises right across the UK.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Commercial Maintenance Services UK Limitedcmsltd.co.uk HQ: Newcastle, United KingdomReported employees: 201-500 | Newcastle, United Kingdom | 201-500 | Exact match | 130 contacts → |
“Commercial Maintenance Services UK Ltd (CMS) is a nationwide market leader in Facilities and Commercial Building Maintenance-proudly built on the values of Responsiveness…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Swale Heating Part Of Sureserveswaleheating.com HQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sureserve Compliance Centralsureserve.co.uk HQ: Unit 5-6 Boudicca Road, United KingdomReported employees: 501-1,000 | Unit 5-6 Boudicca Road, United Kingdom | 501-1,000 | Exact match | 127 contacts → |
“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 description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Airco Refrigeration And AIR Conditioning LTDairco.co.uk HQ: Hull, United KingdomReported employees: 51-200 | Hull, United Kingdom | 51-200 | Exact match | 119 contacts → |
“Neil Fisher started Airco in 1991.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Homeserve Emeahomeserveplc.com HQ: Walsall, United KingdomReported employees: 5,001-10,000 | Walsall, United Kingdom | 5,001-10,000 | Exact match | 111 contacts → |
“HomeServe EMEA makes home repairs and improvements easy.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Daikin Applied UK LTDdaikinapplied.uk HQ: Cramlington, United KingdomReported employees: 51-200 | Cramlington, United Kingdom | 51-200 | Exact match | 107 contacts → |
“Daikin Applied (UK) Ltd (formerly McQuay UK Ltd) is the market leader in energy-efficient end-to-end HVAC solutions, including AHU and chiller products, heat pumps, service and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Zehnder Group UKzehnder.co.uk HQ: Camberley, United KingdomReported employees: 201-500 | Camberley, United Kingdom | 201-500 | Exact match | 101 contacts → |
“Zehnder Group is a leading international provider of indoor climate solutions, offering a comprehensive range of products and services for comfortable and healthy living…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Woodfordwoodford.ltd HQ: Loughton, United KingdomReported employees: 51-200 | Loughton, United Kingdom | 51-200 | Exact match | 100 contacts → |
“Woodford specialise in mechanical and electrical building services for the construction market.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Aircon Groupaircongroup.com HQ: Stockton-on-tees, United KingdomReported employees: 51-200 | Stockton-on-tees, United Kingdom | 51-200 | Exact match | 91 contacts → |
“At Aircon Group, we’re dedicated to providing exceptional levels of customer service in Air Conditioning, Refrigeration, and Air-Source Heating Services, which we have done for…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Nationwide AIR Conditioning Limitednationwideairconditioning.com HQ: Edenbridge, United KingdomReported employees: 51-200 | Edenbridge, United Kingdom | 51-200 | Exact match | 91 contacts → |
“Nationwide Air Conditioning Limited is a carbon-neutral business that has been exceeding customer expectations since 2001.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HFL Building Solutions Grouphflbuildingsolutions.co.uk HQ: Manchester, United KingdomReported employees: 51-200 | Manchester, United Kingdom | 51-200 | Exact match | 80 contacts → |
“HFL Building Solutions Group offers mobile maintenance services, integrated facilities services and building environmental services to wide range of sectors.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Powrmatic Limitedpowrmatic.co.uk HQ: Ilminster, United KingdomReported employees: 51-200 | Ilminster, United Kingdom | 51-200 | Exact match | 69 contacts → |
“Powrmatic is a leading manufacturer and solution provider of advanced HVAC systems, including warm air heating, radiant heating, electric and water-based systems, as well as…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | BTU Installation & Maintenance LTDbtu-group.com HQ: Guildford, United KingdomReported employees: 51-200 | Guildford, United Kingdom | 51-200 | Exact match | 60 contacts → |
“BTU (Installation and Maintenance) Ltd, is a privately owned business based in Guildford, Surrey.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Aston Groupastongroup.co.uk HQ: Romford, United KingdomReported employees: 51-200 | Romford, United Kingdom | 51-200 | Exact match | 59 contacts → |
“Aston Group is a leading Building Services and Facilities Maintenance Company for Commercial and Residential clients.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Preah Building Servicespreah.co.uk HQ: Newhouse, United KingdomReported employees: 51-200 | Newhouse, United Kingdom | 51-200 | Exact match | 59 contacts → |
“PREAH Building Services: Redefining Excellence in Mechanical & Electrical Engineering Founded in 2014, PREAH Building Services stands at the forefront of the M&E sector across…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | AIR Technology Systemsatsclimate.com HQ: Bromsgrove, United KingdomReported employees: 51-200 | Bromsgrove, United Kingdom | 51-200 | Exact match | 58 contacts → |
“Air Technology Systems Ltd (ATS) are design and project management specialist contractors focused on providing proprietary and energy saving, Climate Control & Ventilation…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Uxbridge, United KingdomReported employees: 51-200 | Uxbridge, United Kingdom | 51-200 | Exact match | 55 contacts → |
“Welcome to Mitsubishi Heavy Industries Air Conditioning Europe Ltd (MHIAE), a company created by MHI for all HVAC solutions across Europe.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Coolthermcooltherm.co.uk HQ: Bridgeyate, United KingdomReported employees: 51-200 | Bridgeyate, United Kingdom | 51-200 | Exact match | 52 contacts → |
“With over 30 years of expertise, Cooltherm delivers sustainable HVAC solutions across healthcare, education, construction, data centres, factories & manufacturing, and warehouse &…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Hvac and water treatment contractors: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,771 records in the displayed employee bands.
26 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 1,797 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hvac and water treatment contractors by metro
Questions about this company list
What does Exact match mean for hvac and water treatment contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hvac and water treatment contractors did RevenueBase find based in the United Kingdom?
The saved snapshot records 1,797 matching company records, 11,982 tracked contacts and 4,374 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 hvac and water treatment contractors based in the United Kingdom. Snapshot: October 14, 2026. https://revenuebase.ai/companies/hvac-and-water-treatment-contractors/united-kingdom.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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