Company lists · Data refreshed November 2026
Top 25 Hydronic heating systems companies worldwide
RevenueBase identified 8,193 company matches for hydronic heating systems companies worldwide as of November 2026 and tracks 67,469 professional contacts across them, including 18,194 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for hydronic heating systems companies 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 hydronic heating systems companies 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 hydronic heating systems companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 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 | |||||
| 2 | 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 | |||||
| 3 | 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 | |||||
| 4 | 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 | |||||
| 5 | 677 contacts → | ||||
Exact match “When it comes to comfortable climate in buildings, we set the ultimate standards.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 541 contacts → | ||||
Exact match “Daikin Applied Europe is a multinational company manufacturing and supplying components for hydronic HVAC systems (chillers, air handling units and system management solutions)…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 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 | |||||
| 8 | 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 | |||||
| 9 | 442 contacts → | ||||
Exact match “Feel Well.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 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 | |||||
| 11 | 358 contacts → | ||||
Exact match “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 350 contacts → | ||||
Exact match “United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 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 | |||||
| 14 | 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 | |||||
| 15 | 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 | |||||
| 16 | 322 contacts → | ||||
Exact match “True Made in Italy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 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 | |||||
| 18 | 267 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 253 contacts → | ||||
Exact match “A.o.19981.8a.o.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 249 contacts → | ||||
Exact match “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 245 contacts → | ||||
Exact match “Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 230 contacts → | ||||
Exact match “Leading company in Europe in the production of radiators for domestic heating, air exchange systems and home automation applied to heating.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 229 contacts → | ||||
Exact match “WaterFurnace International, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 218 contacts → | ||||
Exact match “Belgian-built since 1992, Henco designs and manufactures complete system solutions for HVAC, sanitary and underfloor heating projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 212 contacts → | ||||
Exact match “Ariston is the leading and most international brand in the Ariston Group, the one thought to spread the new concept of "Home of sustainable comfort", highlighting the consumer’s…” 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 “hydronic heating systems companies”. 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 8,193 hydronic heating systems companies worldwide
See the full list, filter by size, metro and specialty, and access 18,194 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hydronic heating systems companies 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 hydronic heating systems companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “hydronic heating systems companies” 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 18,194 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.
Hydronic heating systems companies by location
23 lists · largest firstEvery Hydronic heating systems companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydronic heating systems companies based in the United States1,916
- Hydronic heating systems companies based in the United Kingdom997
- Hydronic heating systems companies based in Germany698
- Hydronic heating systems companies based in France622
- Hydronic heating systems companies based in Italy620
- Hydronic heating systems companies based in Canada424
- Hydronic heating systems companies based in the Netherlands254
- Hydronic heating systems companies based in Switzerland180
- Hydronic heating systems companies based in Belgium172
- Hydronic heating systems companies based in Spain166
- Hydronic heating systems companies based in Türkiye132
- Hydronic heating systems companies based in Poland129
- Hydronic heating systems companies based in Australia103
- Hydronic heating systems companies based in Brazil86
- Hydronic heating systems companies based in Austria69
- Hydronic heating systems companies based in Sweden63
- Hydronic heating systems companies based in Ireland51
- Hydronic heating systems companies based in Denmark49
- Hydronic heating systems companies based in Czechia39
- Hydronic heating systems companies based in Finland33
- Hydronic heating systems companies based in Norway32
Cities
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 “hydronic heating systems companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hydronic heating systems companies are there worldwide?
RevenueBase identified 8,193 company matches for hydronic heating systems companies 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?
Vaillant Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most hydronic heating systems companies?
The United States leads with 1,916 companies, followed by the United Kingdom (997) and Germany (698). Every hydronic heating systems companies list by country and city is linked on this page.
Which city has the most hydronic heating systems companies?
London leads with 67 company records, followed by Rome (27) and Calgary (25).
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 18,194 professional contacts with verified work emails tracked across these 8,193 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 8,193 hydronic heating systems companies 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 hydronic heating systems companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 8,193 matching company records for hydronic heating systems companies worldwide, with 67,469 tracked contacts and 18,194 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 hydronic heating systems companies 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 |  Vaillant Groupvaillant-group.comHQ: 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. | |||||
| 2 |  BAXIbaxi.co.ukHQ: 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. | |||||
| 3 |  IMI Climate Controlclimatecontrol.imiplc.comHQ: 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. | |||||
| 4 |  Bradford Whitebradfordwhitecorporation.comHQ: 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. | |||||
| 5 |  Aalberts Hydronic Flow Controlaalberts-hfc.comHQ: Almere, NetherlandsReported employees: 1,001-5,000 | Almere, Netherlands | 1,001-5,000 | Exact match | 677 contacts → |
“When it comes to comfortable climate in buildings, we set the ultimate standards.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Daikin Applied Europedaikinapplied.euHQ: Ariccia, ItalyReported employees: 1,001-5,000 | Ariccia, Italy | 1,001-5,000 | Exact match | 541 contacts → |
“Daikin Applied Europe is a multinational company manufacturing and supplying components for hydronic HVAC systems (chillers, air handling units and system management solutions)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Stiebel Eltron Groupstiebel-eltron.comHQ: 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. | |||||
| 8 |  Baymak BDR Thermea Groupbaymak.com.trHQ: 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. | |||||
| 9 |  Ferroli Groupferroli.comHQ: 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. | |||||
| 10 |  Remeharemeha.nlHQ: 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. | |||||
| 11 |  Brady Servicesbradyservices.comHQ: Greensboro, NC, United StatesReported employees: 501-1,000 | Greensboro, NC, United States | 501-1,000 | Exact match | 358 contacts → |
“Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  United Mechanicalumi1.comHQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 350 contacts → |
“United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Lochinvar, LLClochinvar.comHQ: 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. | |||||
| 14 |  Purmo Grouppurmogroup.comHQ: 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. | |||||
| 15 |  Rinnai Australiarinnai.com.auHQ: 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. | |||||
| 16 |  Giacomini S.P.Agiacomini.comHQ: 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. | |||||
| 17 |  Weil-Mclainweil-mclain.comHQ: 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. | |||||
| 18 |  DHdietenmeier-harsch.deHQ: Istanbul, TürkiyeReported employees: Not recorded | Istanbul, Türkiye | Not recorded | Exact match | 267 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  艾欧史密斯(中国)热水器有限公司aosmith.com.cnHQ: 南京市, ChinaReported employees: 5,001-10,000 | 南京市, China | 5,001-10,000 | Exact match | 253 contacts → |
“A.o.19981.8a.o.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Airtron Heating & AIR Conditioningairtron.comHQ: Columbus, TX, United StatesReported employees: 1,001-5,000 | Columbus, TX, United States | 1,001-5,000 | Exact match | 249 contacts → |
“Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Reliable Heating & AIRreliableair.comHQ: Kennesaw, GA, United StatesReported employees: 201-500 | Kennesaw, GA, United States | 201-500 | Exact match | 245 contacts → |
“Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Irsap SPAirsap.comHQ: Arquà Polesine, ItalyReported employees: 1,001-5,000 | Arquà Polesine, Italy | 1,001-5,000 | Exact match | 230 contacts → |
“Leading company in Europe in the production of radiators for domestic heating, air exchange systems and home automation applied to heating.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Waterfurnace Internationalwaterfurnace.comHQ: Fort Wayne, IN, United StatesReported employees: 201-500 | Fort Wayne, IN, United States | 201-500 | Exact match | 229 contacts → |
“WaterFurnace International, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Henco Industrieshenco.beHQ: Herentals, BelgiumReported employees: 201-500 | Herentals, Belgium | 201-500 | Exact match | 218 contacts → |
“Belgian-built since 1992, Henco designs and manufactures complete system solutions for HVAC, sanitary and underfloor heating projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Aristonariston.comHQ: Fabriano, ItalyReported employees: 5,001-10,000 | Fabriano, Italy | 5,001-10,000 | Exact match | 212 contacts → |
“Ariston is the leading and most international brand in the Ariston Group, the one thought to spread the new concept of "Home of sustainable comfort", highlighting the consumer’s…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 8,193 company matches
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Hydronic heating systems companies: 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
7,700 records in the displayed employee bands.
493 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 8,193 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 ↗
Hydronic heating systems companies by location
23 lists · largest firstEvery Hydronic heating systems companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydronic heating systems companies based in the United States1,916
- Hydronic heating systems companies based in the United Kingdom997
- Hydronic heating systems companies based in Germany698
- Hydronic heating systems companies based in France622
- Hydronic heating systems companies based in Italy620
- Hydronic heating systems companies based in Canada424
- Hydronic heating systems companies based in the Netherlands254
- Hydronic heating systems companies based in Switzerland180
- Hydronic heating systems companies based in Belgium172
- Hydronic heating systems companies based in Spain166
- Hydronic heating systems companies based in Türkiye132
- Hydronic heating systems companies based in Poland129
- Hydronic heating systems companies based in Australia103
- Hydronic heating systems companies based in Brazil86
- Hydronic heating systems companies based in Austria69
- Hydronic heating systems companies based in Sweden63
- Hydronic heating systems companies based in Ireland51
- Hydronic heating systems companies based in Denmark49
- Hydronic heating systems companies based in Czechia39
- Hydronic heating systems companies based in Finland33
- Hydronic heating systems companies based in Norway32
Cities
Questions about this company list
What does Exact match mean for hydronic heating systems companies?
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 hydronic heating systems companies did RevenueBase find worldwide?
The saved snapshot records 8,193 matching company records, 67,469 tracked contacts and 18,194 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
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Cite this list
RevenueBase Data Team. Top 25 hydronic heating systems companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hydronic-heating-systems-companies.
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 hydronic heating systems companies worldwide
RevenueBase records 8,193 matching company records for hydronic heating systems companies worldwide, with 67,469 tracked contacts and 18,194 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 hydronic heating systems companies 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 | Vaillant Groupvaillant-group.com 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. | |||||
| 2 | BAXIbaxi.co.uk 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. | |||||
| 3 | IMI Climate Controlclimatecontrol.imiplc.com 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. | |||||
| 4 | Bradford Whitebradfordwhitecorporation.com 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. | |||||
| 5 | Aalberts Hydronic Flow Controlaalberts-hfc.com HQ: Almere, NetherlandsReported employees: 1,001-5,000 | Almere, Netherlands | 1,001-5,000 | Exact match | 677 contacts → |
“When it comes to comfortable climate in buildings, we set the ultimate standards.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Daikin Applied Europedaikinapplied.eu HQ: Ariccia, ItalyReported employees: 1,001-5,000 | Ariccia, Italy | 1,001-5,000 | Exact match | 541 contacts → |
“Daikin Applied Europe is a multinational company manufacturing and supplying components for hydronic HVAC systems (chillers, air handling units and system management solutions)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Stiebel Eltron Groupstiebel-eltron.com 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. | |||||
| 8 | Baymak BDR Thermea Groupbaymak.com.tr 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. | |||||
| 9 | Ferroli Groupferroli.com 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. | |||||
| 10 | Remeharemeha.nl 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. | |||||
| 11 | Brady Servicesbradyservices.com HQ: Greensboro, NC, United StatesReported employees: 501-1,000 | Greensboro, NC, United States | 501-1,000 | Exact match | 358 contacts → |
“Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | United Mechanicalumi1.com HQ: San Jose, CA, United StatesReported employees: 201-500 | San Jose, CA, United States | 201-500 | Exact match | 350 contacts → |
“United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Lochinvar, LLClochinvar.com 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. | |||||
| 14 | Purmo Grouppurmogroup.com 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. | |||||
| 15 | Rinnai Australiarinnai.com.au 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. | |||||
| 16 | Giacomini S.P.Agiacomini.com 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. | |||||
| 17 | Weil-Mclainweil-mclain.com 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. | |||||
| 18 | DHdietenmeier-harsch.de HQ: Istanbul, TürkiyeReported employees: Not recorded | Istanbul, Türkiye | Not recorded | Exact match | 267 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | 艾欧史密斯(中国)热水器有限公司aosmith.com.cn HQ: 南京市, ChinaReported employees: 5,001-10,000 | 南京市, China | 5,001-10,000 | Exact match | 253 contacts → |
“A.o.19981.8a.o.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Airtron Heating & AIR Conditioningairtron.com HQ: Columbus, TX, United StatesReported employees: 1,001-5,000 | Columbus, TX, United States | 1,001-5,000 | Exact match | 249 contacts → |
“Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Reliable Heating & AIRreliableair.com HQ: Kennesaw, GA, United StatesReported employees: 201-500 | Kennesaw, GA, United States | 201-500 | Exact match | 245 contacts → |
“Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Irsap SPAirsap.com HQ: Arquà Polesine, ItalyReported employees: 1,001-5,000 | Arquà Polesine, Italy | 1,001-5,000 | Exact match | 230 contacts → |
“Leading company in Europe in the production of radiators for domestic heating, air exchange systems and home automation applied to heating.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Waterfurnace Internationalwaterfurnace.com HQ: Fort Wayne, IN, United StatesReported employees: 201-500 | Fort Wayne, IN, United States | 201-500 | Exact match | 229 contacts → |
“WaterFurnace International, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Henco Industrieshenco.be HQ: Herentals, BelgiumReported employees: 201-500 | Herentals, Belgium | 201-500 | Exact match | 218 contacts → |
“Belgian-built since 1992, Henco designs and manufactures complete system solutions for HVAC, sanitary and underfloor heating projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Aristonariston.com HQ: Fabriano, ItalyReported employees: 5,001-10,000 | Fabriano, Italy | 5,001-10,000 | Exact match | 212 contacts → |
“Ariston is the leading and most international brand in the Ariston Group, the one thought to spread the new concept of "Home of sustainable comfort", highlighting the consumer’s…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 8,193 company matches
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Hydronic heating systems companies: 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
7,700 records in the displayed employee bands.
493 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 8,193 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 ↗
Hydronic heating systems companies by location
23 lists · largest firstEvery Hydronic heating systems companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hydronic heating systems companies based in the United States1,916
- Hydronic heating systems companies based in the United Kingdom997
- Hydronic heating systems companies based in Germany698
- Hydronic heating systems companies based in France622
- Hydronic heating systems companies based in Italy620
- Hydronic heating systems companies based in Canada424
- Hydronic heating systems companies based in the Netherlands254
- Hydronic heating systems companies based in Switzerland180
- Hydronic heating systems companies based in Belgium172
- Hydronic heating systems companies based in Spain166
- Hydronic heating systems companies based in Türkiye132
- Hydronic heating systems companies based in Poland129
- Hydronic heating systems companies based in Australia103
- Hydronic heating systems companies based in Brazil86
- Hydronic heating systems companies based in Austria69
- Hydronic heating systems companies based in Sweden63
- Hydronic heating systems companies based in Ireland51
- Hydronic heating systems companies based in Denmark49
- Hydronic heating systems companies based in Czechia39
- Hydronic heating systems companies based in Finland33
- Hydronic heating systems companies based in Norway32
Cities
Questions about this company list
What does Exact match mean for hydronic heating systems companies?
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 hydronic heating systems companies did RevenueBase find worldwide?
The saved snapshot records 8,193 matching company records, 67,469 tracked contacts and 18,194 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
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Cite this list
RevenueBase Data Team. Top 25 hydronic heating systems companies worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hydronic-heating-systems-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗