Company lists · Data refreshed November 2026
Top 25 Water heating system providers worldwide
RevenueBase identified 16,458 company matches for water heating system providers worldwide as of November 2026 and tracks 127,814 professional contacts across them, including 26,750 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for water heating system providers worldwide, 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. Country and city lists for water heating system providers follow the table.
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 water heating system providers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 15,674 contacts → | ||||
Exact match “Celebrating its 150th year of business, A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 3,278 contacts → | ||||
Exact match “Our corporate vision shapes everything we do and inspires our employees every day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,656 contacts → | ||||
Exact match “As a leader in home services and energy efficient solutions for over 60 years, Reliance Home Comfort® (Reliance) is committed to being the Destination of Choice by delivering…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,082 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,054 contacts → | ||||
Exact match “A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 865 contacts → | ||||
Exact match “We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 823 contacts → | ||||
Exact match “At IMI, our Climate Control sector designs intelligent hydronic solutions that optimise comfort, energy use, and system reliability, helping create smarter, greener, more…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 813 contacts → | ||||
Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 748 contacts → | ||||
Exact match “Bradford White Corporation is an American-owned, full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 509 contacts → | ||||
Exact match “STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 484 contacts → | ||||
Exact match “1969 yılında faaliyetlerine başlayan ve 2013 yılı itibarıyla iklimlendirme sektöründe Avrupa’nın ilk üç şirketi arasında yer alan BDR Thermea Group bünyesine katılan Baymak…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 472 contacts → | ||||
Exact match “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 442 contacts → | ||||
Exact match “Feel Well.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 410 contacts → | ||||
Exact match “Remeha, the comfort innovators Remeha ontwikkelt al sinds 1935 voortdurend innovatieve en energiezuinige producten voor warmte en warm water, zowel voor woningen als utiliteit.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 405 contacts → | ||||
Exact match “BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 380 contacts → | ||||
Exact match “In Strauss Water, we are improving people's quality of life by creating the best water experience!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 373 contacts → | ||||
Exact match “Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 370 contacts → | ||||
Exact match “Marca líder en el mercado Español de Calefacción, Agua Caliente y Energías Renovables.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 350 contacts → | ||||
Exact match “Lochinvar, LLC is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters and custom pre-piped packaged systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 341 contacts → | ||||
Exact match “We are Purmo Group, leader in sustainable indoor climate comfort solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 323 contacts → | ||||
Exact match “Following Rinnai's international origins dating back more than 100 years, Rinnai Australia was established 50 years ago and since then has been providing Australians with the best…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 322 contacts → | ||||
Exact match “True Made in Italy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 311 contacts → | ||||
Exact match “Grupo Remica se crea en 1984 como empresa de instalación y mantenimiento de sistemas de calefacción, climatización y ACS.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 310 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 299 contacts → | ||||
Exact match “Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded in the RevenueBase company graph · Nov 6, 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 “water heating system providers”. 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 16,458 water heating system providers worldwide
See the full list, filter by size, metro and specialty, and access 26,750 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Water heating system providers worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
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.
- Coverage
- Every country. Country and city lists for water heating system providers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “water heating system providers” 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. 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 26,750 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.
Water heating system providers by location
32 lists · largest firstEvery Water heating system providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Water heating system providers based in the United States3,647
- Water heating system providers based in the United Kingdom2,158
- Water heating system providers based in France1,542
- Water heating system providers based in Germany1,504
- Water heating system providers based in Italy867
- Water heating system providers based in Canada688
- Water heating system providers based in the Netherlands581
- Water heating system providers based in Spain490
- Water heating system providers based in Belgium351
- Water heating system providers based in Switzerland350
- Water heating system providers based in Brazil280
- Water heating system providers based in Australia256
- Water heating system providers based in Poland210
- Water heating system providers based in Türkiye158
- Water heating system providers based in India149
- Water heating system providers based in Austria127
- Water heating system providers based in Sweden109
- Water heating system providers based in Ireland88
- Water heating system providers based in Portugal77
- Water heating system providers based in Denmark75
- Water heating system providers based in Norway68
- Water heating system providers based in Czechia63
- Water heating system providers based in New Zealand58
- Water heating system providers based in South Africa58
- Water heating system providers based in Romania53
- Water heating system providers based in Finland43
- Water heating system providers based in the United Arab Emirates37
Cities
- Water heating system providers based in London, United Kingdom125
- Water heating system providers based in New York, United States42
- Water heating system providers based in Calgary, Canada40
- Water heating system providers based in Toronto, Canada28
- Water heating system providers based in San Antonio, United States27
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 “water heating system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many water heating system providers are there worldwide?
RevenueBase identified 16,458 company matches for water heating system providers worldwide 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?
A. O. Smith Corporation tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most water heating system providers?
The United States leads with 3,647 companies, followed by the United Kingdom (2,158) and France (1,542). Every water heating system providers list by country and city is linked on this page.
Which city has the most water heating system providers?
London leads with 131 company records, followed by Sao Paulo (53) and Madrid (46).
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 26,750 professional contacts with verified work emails tracked across these 16,458 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.
Ready to reach these companies? Verified emails and direct dials for all 16,458 water heating system providers worldwide. Start with a free account, no credit card.
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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.
More company lists
Company intelligence · public preview
Top 25 water heating system providers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 16,458 matching company records for water heating system providers worldwide, with 127,814 tracked contacts and 26,750 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: November 6, 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 water heating system providers worldwide
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 | HQ: Milwaukee, WI, United StatesReported employees: 10001+ | Milwaukee, WI, United States | 10001+ | Exact match | 15,674 contacts → |
“Celebrating its 150th year of business, A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Remscheid, GermanyReported employees: 10001+ | Remscheid, Germany | 10001+ | Exact match | 3,278 contacts → |
“Our corporate vision shapes everything we do and inspires our employees every day.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 1,656 contacts → |
“As a leader in home services and energy efficient solutions for over 60 years, Reliance Home Comfort® (Reliance) is committed to being the Destination of Choice by delivering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Markham, ON, CanadaReported employees: 1,001-5,000 | Markham, ON, Canada | 1,001-5,000 | Exact match | 1,082 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | HQ: Levallois-perret, FranceReported employees: 1,001-5,000 | Levallois-perret, France | 1,001-5,000 | Exact match | 1,054 contacts → |
“A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 865 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Eysins, SwitzerlandReported employees: 1,001-5,000 | Eysins, Switzerland | 1,001-5,000 | Exact match | 823 contacts → |
“At IMI, our Climate Control sector designs intelligent hydronic solutions that optimise comfort, energy use, and system reliability, helping create smarter, greener, more…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Lelystad, NetherlandsReported employees: 1,001-5,000 | Lelystad, Netherlands | 1,001-5,000 | Exact match | 813 contacts → |
“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Ambler, PA, United StatesReported employees: 1,001-5,000 | Ambler, PA, United States | 1,001-5,000 | Exact match | 748 contacts → |
“Bradford White Corporation is an American-owned, full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Holzminden, GermanyReported employees: 5,001-10,000 | Holzminden, Germany | 5,001-10,000 | Exact match | 509 contacts → |
“STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 484 contacts → |
“1969 yılında faaliyetlerine başlayan ve 2013 yılı itibarıyla iklimlendirme sektöründe Avrupa’nın ilk üç şirketi arasında yer alan BDR Thermea Group bünyesine katılan Baymak…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Wilmington, MD, United StatesReported employees: 501-1,000 | Wilmington, MD, United States | 501-1,000 | Exact match | 472 contacts → |
“Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: San Bonifacio, ItalyReported employees: 1,001-5,000 | San Bonifacio, Italy | 1,001-5,000 | Exact match | 442 contacts → |
“Feel Well.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Apeldoorn, NetherlandsReported employees: 201-500 | Apeldoorn, Netherlands | 201-500 | Exact match | 410 contacts → |
“Remeha, the comfort innovators Remeha ontwikkelt al sinds 1935 voortdurend innovatieve en energiezuinige producten voor warmte en warm water, zowel voor woningen als utiliteit.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Nerac, FranceReported employees: 501-1,000 | Nerac, France | 501-1,000 | Exact match | 405 contacts → |
“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Or Yehuda, IsraelReported employees: 1,001-5,000 | Or Yehuda, Israel | 1,001-5,000 | Exact match | 380 contacts → |
“In Strauss Water, we are improving people's quality of life by creating the best water experience!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Arras, FranceReported employees: 1,001-5,000 | Arras, France | 1,001-5,000 | Exact match | 373 contacts → |
“Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | BAXIbaxi.es HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 370 contacts → |
“Marca líder en el mercado Español de Calefacción, Agua Caliente y Energías Renovables.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Lebanon, TN, IndiaReported employees: 201-500 | Lebanon, TN, India | 201-500 | Exact match | 350 contacts → |
“Lochinvar, LLC is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters and custom pre-piped packaged systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Helsinki, FinlandReported employees: 1,001-5,000 | Helsinki, Finland | 1,001-5,000 | Exact match | 341 contacts → |
“We are Purmo Group, leader in sustainable indoor climate comfort solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Braeside, AustraliaReported employees: 201-500 | Braeside, Australia | 201-500 | Exact match | 323 contacts → |
“Following Rinnai's international origins dating back more than 100 years, Rinnai Australia was established 50 years ago and since then has been providing Australians with the best…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: San Maurizio D'opaglio, ItalyReported employees: 501-1,000 | San Maurizio D'opaglio, Italy | 501-1,000 | Exact match | 322 contacts → |
“True Made in Italy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 311 contacts → |
“Grupo Remica se crea en 1984 como empresa de instalación y mantenimiento de sistemas de calefacción, climatización y ACS.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Hull, United KingdomReported employees: 501-1,000 | Hull, United Kingdom | 501-1,000 | Exact match | 310 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Burr Ridge, NC, United StatesReported employees: 501-1,000 | Burr Ridge, NC, United States | 501-1,000 | Exact match | 299 contacts → |
“Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 16,458 company matches
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Water heating system providers: dataset insights
November 6, 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
15,365 records in the displayed employee bands.
1,093 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 16,458 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: November 6, 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 ↗
Water heating system providers by location
32 lists · largest firstEvery Water heating system providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Water heating system providers based in the United States3,647
- Water heating system providers based in the United Kingdom2,158
- Water heating system providers based in France1,542
- Water heating system providers based in Germany1,504
- Water heating system providers based in Italy867
- Water heating system providers based in Canada688
- Water heating system providers based in the Netherlands581
- Water heating system providers based in Spain490
- Water heating system providers based in Belgium351
- Water heating system providers based in Switzerland350
- Water heating system providers based in Brazil280
- Water heating system providers based in Australia256
- Water heating system providers based in Poland210
- Water heating system providers based in Türkiye158
- Water heating system providers based in India149
- Water heating system providers based in Austria127
- Water heating system providers based in Sweden109
- Water heating system providers based in Ireland88
- Water heating system providers based in Portugal77
- Water heating system providers based in Denmark75
- Water heating system providers based in Norway68
- Water heating system providers based in Czechia63
- Water heating system providers based in New Zealand58
- Water heating system providers based in South Africa58
- Water heating system providers based in Romania53
- Water heating system providers based in Finland43
- Water heating system providers based in the United Arab Emirates37
Cities
- Water heating system providers based in London, United Kingdom125
- Water heating system providers based in New York, United States42
- Water heating system providers based in Calgary, Canada40
- Water heating system providers based in Toronto, Canada28
- Water heating system providers based in San Antonio, United States27
Questions about this company list
What does Exact match mean for water heating system providers?
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 water heating system providers did RevenueBase find worldwide?
The saved snapshot records 16,458 matching company records, 127,814 tracked contacts and 26,750 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: November 6, 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
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 water heating system providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/water-heating-system-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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Top 25 water heating system providers worldwide
RevenueBase records 16,458 matching company records for water heating system providers worldwide, with 127,814 tracked contacts and 26,750 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: November 6, 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 water heating system providers worldwide
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 | HQ: Milwaukee, WI, United StatesReported employees: 10001+ | Milwaukee, WI, United States | 10001+ | Exact match | 15,674 contacts → |
“Celebrating its 150th year of business, A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Remscheid, GermanyReported employees: 10001+ | Remscheid, Germany | 10001+ | Exact match | 3,278 contacts → |
“Our corporate vision shapes everything we do and inspires our employees every day.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 1,656 contacts → |
“As a leader in home services and energy efficient solutions for over 60 years, Reliance Home Comfort® (Reliance) is committed to being the Destination of Choice by delivering…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Markham, ON, CanadaReported employees: 1,001-5,000 | Markham, ON, Canada | 1,001-5,000 | Exact match | 1,082 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | HQ: Levallois-perret, FranceReported employees: 1,001-5,000 | Levallois-perret, France | 1,001-5,000 | Exact match | 1,054 contacts → |
“A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 865 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Eysins, SwitzerlandReported employees: 1,001-5,000 | Eysins, Switzerland | 1,001-5,000 | Exact match | 823 contacts → |
“At IMI, our Climate Control sector designs intelligent hydronic solutions that optimise comfort, energy use, and system reliability, helping create smarter, greener, more…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Lelystad, NetherlandsReported employees: 1,001-5,000 | Lelystad, Netherlands | 1,001-5,000 | Exact match | 813 contacts → |
“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Ambler, PA, United StatesReported employees: 1,001-5,000 | Ambler, PA, United States | 1,001-5,000 | Exact match | 748 contacts → |
“Bradford White Corporation is an American-owned, full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Holzminden, GermanyReported employees: 5,001-10,000 | Holzminden, Germany | 5,001-10,000 | Exact match | 509 contacts → |
“STIEBEL ELTRON bietet hocheffiziente Produkte und Dienstleistungen für die Heizung, Kühlung, Lüftung und Warmwasserbereitung von Gebäuden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 484 contacts → |
“1969 yılında faaliyetlerine başlayan ve 2013 yılı itibarıyla iklimlendirme sektöründe Avrupa’nın ilk üç şirketi arasında yer alan BDR Thermea Group bünyesine katılan Baymak…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Wilmington, MD, United StatesReported employees: 501-1,000 | Wilmington, MD, United States | 501-1,000 | Exact match | 472 contacts → |
“Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: San Bonifacio, ItalyReported employees: 1,001-5,000 | San Bonifacio, Italy | 1,001-5,000 | Exact match | 442 contacts → |
“Feel Well.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Apeldoorn, NetherlandsReported employees: 201-500 | Apeldoorn, Netherlands | 201-500 | Exact match | 410 contacts → |
“Remeha, the comfort innovators Remeha ontwikkelt al sinds 1935 voortdurend innovatieve en energiezuinige producten voor warmte en warm water, zowel voor woningen als utiliteit.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Nerac, FranceReported employees: 501-1,000 | Nerac, France | 501-1,000 | Exact match | 405 contacts → |
“BABCOCK WANSON offers a complete range of products and services for industrial boiler house.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Or Yehuda, IsraelReported employees: 1,001-5,000 | Or Yehuda, Israel | 1,001-5,000 | Exact match | 380 contacts → |
“In Strauss Water, we are improving people's quality of life by creating the best water experience!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Arras, FranceReported employees: 1,001-5,000 | Arras, France | 1,001-5,000 | Exact match | 373 contacts → |
“Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | BAXIbaxi.es HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 370 contacts → |
“Marca líder en el mercado Español de Calefacción, Agua Caliente y Energías Renovables.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Lebanon, TN, IndiaReported employees: 201-500 | Lebanon, TN, India | 201-500 | Exact match | 350 contacts → |
“Lochinvar, LLC is a leading manufacturer of high-efficiency water heaters, boilers, pool heaters and custom pre-piped packaged systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Helsinki, FinlandReported employees: 1,001-5,000 | Helsinki, Finland | 1,001-5,000 | Exact match | 341 contacts → |
“We are Purmo Group, leader in sustainable indoor climate comfort solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Braeside, AustraliaReported employees: 201-500 | Braeside, Australia | 201-500 | Exact match | 323 contacts → |
“Following Rinnai's international origins dating back more than 100 years, Rinnai Australia was established 50 years ago and since then has been providing Australians with the best…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: San Maurizio D'opaglio, ItalyReported employees: 501-1,000 | San Maurizio D'opaglio, Italy | 501-1,000 | Exact match | 322 contacts → |
“True Made in Italy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 311 contacts → |
“Grupo Remica se crea en 1984 como empresa de instalación y mantenimiento de sistemas de calefacción, climatización y ACS.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Hull, United KingdomReported employees: 501-1,000 | Hull, United Kingdom | 501-1,000 | Exact match | 310 contacts → |
“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 description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Burr Ridge, NC, United StatesReported employees: 501-1,000 | Burr Ridge, NC, United States | 501-1,000 | Exact match | 299 contacts → |
“Weil-McLain® is a leading North American designer and manufacturer of hydronic comfort heating systems for residential, commercial and institutional buildings since 1881.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 16,458 company matches
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Water heating system providers: dataset insights
November 6, 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
15,365 records in the displayed employee bands.
1,093 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 across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 16,458 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: November 6, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Water heating system providers by location
32 lists · largest firstEvery Water heating system providers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Water heating system providers based in the United States3,647
- Water heating system providers based in the United Kingdom2,158
- Water heating system providers based in France1,542
- Water heating system providers based in Germany1,504
- Water heating system providers based in Italy867
- Water heating system providers based in Canada688
- Water heating system providers based in the Netherlands581
- Water heating system providers based in Spain490
- Water heating system providers based in Belgium351
- Water heating system providers based in Switzerland350
- Water heating system providers based in Brazil280
- Water heating system providers based in Australia256
- Water heating system providers based in Poland210
- Water heating system providers based in Türkiye158
- Water heating system providers based in India149
- Water heating system providers based in Austria127
- Water heating system providers based in Sweden109
- Water heating system providers based in Ireland88
- Water heating system providers based in Portugal77
- Water heating system providers based in Denmark75
- Water heating system providers based in Norway68
- Water heating system providers based in Czechia63
- Water heating system providers based in New Zealand58
- Water heating system providers based in South Africa58
- Water heating system providers based in Romania53
- Water heating system providers based in Finland43
- Water heating system providers based in the United Arab Emirates37
Cities
- Water heating system providers based in London, United Kingdom125
- Water heating system providers based in New York, United States42
- Water heating system providers based in Calgary, Canada40
- Water heating system providers based in Toronto, Canada28
- Water heating system providers based in San Antonio, United States27
Questions about this company list
What does Exact match mean for water heating system providers?
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 water heating system providers did RevenueBase find worldwide?
The saved snapshot records 16,458 matching company records, 127,814 tracked contacts and 26,750 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: November 6, 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 water heating system providers worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/water-heating-system-providers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗