Company lists · Data refreshed October 2026
Top 25 Hot water system contractors worldwide
RevenueBase identified 6,730 company matches for hot water system contractors worldwide as of October 2026 and tracks 30,110 professional contacts across them, including 5,483 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for hot water system contractors 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 October 14, 2026. Country and city lists for hot water system contractors 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 hot water system contractors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 884 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 · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 435 contacts → | ||||
Exact match “Comfort, designed around you – Since 1955, Ferroli has been a trusted name in HVAC, delivering innovative solutions for heating, cooling and hot water that combine comfort, energy…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 264 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 248 contacts → | ||||
Exact match “Morris-Jenkins is like family!” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 198 contacts → | ||||
Exact match “The Right Time Group of Companies has been proudly providing a full range of home HVAC solutions to customers across Ontario, Manitoba, Saskatchewan, Alberta and British Columbia…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 197 contacts → | ||||
Exact match “Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 197 contacts → | ||||
Exact match “Since 1981, Haller Enterprises has proudly served central and eastern Pennsylvania as a leader in heating, cooling, plumbing, and electrical services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 181 contacts → | ||||
Exact match “Len The Plumber Heating & Air is a leading home services provider delivering trusted plumbing, heating, cooling, and air quality solutions across the Mid-Atlantic region.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 180 contacts → | ||||
Exact match “https://linktr.ee/Rooter.Hero At Rooter Hero Plumbing, we pride ourselves on providing Competitive Pricing, Quality Work and Professional Service on every plumbing appointment.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 179 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 129 contacts → | ||||
Exact match “As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 123 contacts → | ||||
Exact match “Établi depuis 1992 et possédant une équipe qualifiée, PLOMBERIE ET CHAUFFAGE ALAIN DAIGLE INC.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 107 contacts → | ||||
Exact match “DRF Water Heating Solutions mission is to help as many people as we can.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 97 contacts → | ||||
Exact match “Milani has been specializing in servicing the plumbing, drainage and heating needs of commercial and residential clients since 1956.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 93 contacts → | ||||
Exact match “At Advanced Home Services our goal is to provide you with Advanced plumbing and heating services that will make your life simple, convenient and comfortable.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 89 contacts → | ||||
Exact match “CASA Mechanical is owned and operated by the W.G.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 87 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 79 contacts → | ||||
Exact match “Serving Fresno, CA Since 1981.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 79 contacts → | ||||
Exact match “For over 30 years, Delta Mechanical has been a leader in plumbing services.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 72 contacts → | ||||
Exact match “Mechanical One is a renowned home repair and maintenance service provider in Central Florida, renowned for its high-quality services since launching in 2021.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 70 contacts → | ||||
Exact match “One Simple Solution.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 66 contacts → | ||||
Exact match “OUR MISSION is to deliver quality service in a timely manner.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 65 contacts → | ||||
Exact match “Air Comfort was founded in 1935 as an engineering company and equipment distributor for Dr.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 64 contacts → | ||||
Exact match “Serving and Keeping Southern Arizona Cool and Comfortable since 1959 We offer you peace of mind, ensuring your HVAC and plumbing equipment operates safely.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 64 contacts → | ||||
Exact match “Haddad Plumbing & Heating is one of the leading plumbing and HVAC contractors in the Tri-State Area since We provide comprehensive plumbing and HVAC services to commercial and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “hot water system contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 6,730 hot water system contractors worldwide
See the full list, filter by size, metro and specialty, and access 5,483 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hot water system contractors worldwide at a glance
As of Oct 14, 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 hot water system contractors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “hot water system contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. 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 5,483 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 14, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Hot water system contractors by location
15 lists · largest firstEvery Hot water system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hot water system contractors based in the United States2,275
- Hot water system contractors based in the United Kingdom1,064
- Hot water system contractors based in France602
- Hot water system contractors based in Canada404
- Hot water system contractors based in Italy259
- Hot water system contractors based in Australia239
- Hot water system contractors based in Germany211
- Hot water system contractors based in the Netherlands179
- Hot water system contractors based in Belgium94
- Hot water system contractors based in Switzerland68
- Hot water system contractors based in Sweden40
- Hot water system contractors based in New Zealand38
- Hot water system contractors based in Norway33
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 “hot water system contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hot water system contractors are there worldwide?
RevenueBase identified 6,730 company matches for hot water system contractors worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
BAXI tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most hot water system contractors?
The United States leads with 2,275 companies, followed by the United Kingdom (1,064) and France (602). Every hot water system contractors list by country and city is linked on this page.
Which city has the most hot water system contractors?
London leads with 85 company records, followed by Calgary (37) and New York (27).
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 5,483 professional contacts with verified work emails tracked across these 6,730 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 6,730 hot water system contractors 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 hot water system contractors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 6,730 matching company records for hot water system contractors worldwide, with 30,110 tracked contacts and 5,483 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hot water system contractors 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 |  BAXIbaxi.co.ukHQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 884 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Ferroli Groupferroli.comHQ: San Bonifacio, ItalyReported employees: 1,001-5,000 | San Bonifacio, Italy | 1,001-5,000 | Exact match | 435 contacts → |
“Comfort, designed around you – Since 1955, Ferroli has been a trusted name in HVAC, delivering innovative solutions for heating, cooling and hot water that combine comfort, energy…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | DHdietenmeier-harsch.de HQ: Istanbul, TürkiyeReported employees: Not recorded | Istanbul, Türkiye | Not recorded | Exact match | 264 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 |  Morris-Jenkinsmorrisjenkins.comHQ: Charlotte, NC, United StatesReported employees: 501-1,000 | Charlotte, NC, United States | 501-1,000 | Exact match | 248 contacts → |
“Morris-Jenkins is like family!” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Right Time Group Of Companiesright-time.caHQ: St. Catharines, ON, CanadaReported employees: 1,001-5,000 | St. Catharines, ON, Canada | 1,001-5,000 | Exact match | 198 contacts → |
“The Right Time Group of Companies has been proudly providing a full range of home HVAC solutions to customers across Ontario, Manitoba, Saskatchewan, Alberta and British Columbia…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Bonarius Bedrijvenbonarius.comHQ: Zwanenburg, NetherlandsReported employees: 201-500 | Zwanenburg, Netherlands | 201-500 | Exact match | 197 contacts → |
“Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Haller Enterprisesaskhaller.comHQ: Lititz, PA, United StatesReported employees: 201-500 | Lititz, PA, United States | 201-500 | Exact match | 197 contacts → |
“Since 1981, Haller Enterprises has proudly served central and eastern Pennsylvania as a leader in heating, cooling, plumbing, and electrical services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  LEN The Plumber Heating & AIRlentheplumber.comHQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 181 contacts → |
“Len The Plumber Heating & Air is a leading home services provider delivering trusted plumbing, heating, cooling, and air quality solutions across the Mid-Atlantic region.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Rooter Hero Plumbing & AIRrooterhero.comHQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 180 contacts → |
“https://linktr.ee/Rooter.Hero At Rooter Hero Plumbing, we pride ourselves on providing Competitive Pricing, Quality Work and Professional Service on every plumbing appointment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 179 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  Swale Heating Part Of Sureserveswaleheating.comHQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Plomberie & Chauffage Alain Daigle INCalaindaigle.netHQ: Repentigny, QC, CanadaReported employees: 51-200 | Repentigny, QC, Canada | 51-200 | Exact match | 123 contacts → |
“Établi depuis 1992 et possédant une équipe qualifiée, PLOMBERIE ET CHAUFFAGE ALAIN DAIGLE INC.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | DRF Water Heating Solutionsdrftps.com HQ: Plainfield, IL, United StatesReported employees: 51-200 | Plainfield, IL, United States | 51-200 | Exact match | 107 contacts → |
“DRF Water Heating Solutions mission is to help as many people as we can.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 97 contacts → |
“Milani has been specializing in servicing the plumbing, drainage and heating needs of commercial and residential clients since 1956.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Advanced Home Servicesmydadcandothat.com HQ: Rigby, ID, United StatesReported employees: 11-50 | Rigby, ID, United States | 11-50 | Exact match | 93 contacts → |
“At Advanced Home Services our goal is to provide you with Advanced plumbing and heating services that will make your life simple, convenient and comfortable.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Casa Mechanical Servicescasamechanical.comHQ: Round Rock, TX, United StatesReported employees: 51-200 | Round Rock, TX, United States | 51-200 | Exact match | 89 contacts → |
“CASA Mechanical is owned and operated by the W.G.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Howe, INChoweinc.com HQ: Sioux Falls, SD, United StatesReported employees: 51-200 | Sioux Falls, SD, United States | 51-200 | Exact match | 87 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Lee's Air, Plumbing, Heating, & Roofingleesair.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 79 contacts → |
“Serving Fresno, CA Since 1981.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Delta Mechanical, INCdeltamechanical.comHQ: Mesa, AZ, United StatesReported employees: 51-200 | Mesa, AZ, United States | 51-200 | Exact match | 79 contacts → |
“For over 30 years, Delta Mechanical has been a leader in plumbing services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mechanical ONEmechanicalone.com HQ: Altamonte Springs, FL, United StatesReported employees: 501-1,000 | Altamonte Springs, FL, United States | 501-1,000 | Exact match | 72 contacts → |
“Mechanical One is a renowned home repair and maintenance service provider in Central Florida, renowned for its high-quality services since launching in 2021.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Serviceoneserviceone.comHQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 70 contacts → |
“One Simple Solution.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Umc, INCumc.usHQ: Salt Lake City, UT, United StatesReported employees: 201-500 | Salt Lake City, UT, United States | 201-500 | Exact match | 66 contacts → |
“OUR MISSION is to deliver quality service in a timely manner.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  AIR Comfortaircomfort.comHQ: Woodridge, IL, United StatesReported employees: 51-200 | Woodridge, IL, United States | 51-200 | Exact match | 65 contacts → |
“Air Comfort was founded in 1935 as an engineering company and equipment distributor for Dr.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Rite WAY Heating, Cooling & Plumbingritewayac.comHQ: Tucson, AZ, United StatesReported employees: 201-500 | Tucson, AZ, United States | 201-500 | Exact match | 64 contacts → |
“Serving and Keeping Southern Arizona Cool and Comfortable since 1959 We offer you peace of mind, ensuring your HVAC and plumbing equipment operates safely.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Haddad Plumbing & Heating INChaddadplumbing.comHQ: Newark, NJ, United StatesReported employees: 51-200 | Newark, NJ, United States | 51-200 | Exact match | 64 contacts → |
“Haddad Plumbing & Heating is one of the leading plumbing and HVAC contractors in the Tri-State Area since We provide comprehensive plumbing and HVAC services to commercial and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 6,730 company matches
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Hot water system contractors: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
6,490 records in the displayed employee bands.
240 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 6,730 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hot water system contractors by location
15 lists · largest firstEvery Hot water system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hot water system contractors based in the United States2,275
- Hot water system contractors based in the United Kingdom1,064
- Hot water system contractors based in France602
- Hot water system contractors based in Canada404
- Hot water system contractors based in Italy259
- Hot water system contractors based in Australia239
- Hot water system contractors based in Germany211
- Hot water system contractors based in the Netherlands179
- Hot water system contractors based in Belgium94
- Hot water system contractors based in Switzerland68
- Hot water system contractors based in Sweden40
- Hot water system contractors based in New Zealand38
- Hot water system contractors based in Norway33
Cities
Questions about this company list
What does Exact match mean for hot water system contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hot water system contractors did RevenueBase find worldwide?
The saved snapshot records 6,730 matching company records, 30,110 tracked contacts and 5,483 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 hot water system contractors worldwide. Snapshot: October 14, 2026. https://revenuebase.ai/companies/browse/hot-water-system-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 hot water system contractors worldwide
RevenueBase records 6,730 matching company records for hot water system contractors worldwide, with 30,110 tracked contacts and 5,483 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 hot water system contractors 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 | BAXIbaxi.co.uk HQ: Warwick, United KingdomReported employees: 1,001-5,000 | Warwick, United Kingdom | 1,001-5,000 | Exact match | 884 contacts → |
“We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Ferroli Groupferroli.com HQ: San Bonifacio, ItalyReported employees: 1,001-5,000 | San Bonifacio, Italy | 1,001-5,000 | Exact match | 435 contacts → |
“Comfort, designed around you – Since 1955, Ferroli has been a trusted name in HVAC, delivering innovative solutions for heating, cooling and hot water that combine comfort, energy…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | DHdietenmeier-harsch.de HQ: Istanbul, TürkiyeReported employees: Not recorded | Istanbul, Türkiye | Not recorded | Exact match | 264 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 4 | Morris-Jenkinsmorrisjenkins.com HQ: Charlotte, NC, United StatesReported employees: 501-1,000 | Charlotte, NC, United States | 501-1,000 | Exact match | 248 contacts → |
“Morris-Jenkins is like family!” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Right Time Group Of Companiesright-time.ca HQ: St. Catharines, ON, CanadaReported employees: 1,001-5,000 | St. Catharines, ON, Canada | 1,001-5,000 | Exact match | 198 contacts → |
“The Right Time Group of Companies has been proudly providing a full range of home HVAC solutions to customers across Ontario, Manitoba, Saskatchewan, Alberta and British Columbia…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Bonarius Bedrijvenbonarius.com HQ: Zwanenburg, NetherlandsReported employees: 201-500 | Zwanenburg, Netherlands | 201-500 | Exact match | 197 contacts → |
“Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Haller Enterprisesaskhaller.com HQ: Lititz, PA, United StatesReported employees: 201-500 | Lititz, PA, United States | 201-500 | Exact match | 197 contacts → |
“Since 1981, Haller Enterprises has proudly served central and eastern Pennsylvania as a leader in heating, cooling, plumbing, and electrical services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | LEN The Plumber Heating & AIRlentheplumber.com HQ: Baltimore, MD, United StatesReported employees: 201-500 | Baltimore, MD, United States | 201-500 | Exact match | 181 contacts → |
“Len The Plumber Heating & Air is a leading home services provider delivering trusted plumbing, heating, cooling, and air quality solutions across the Mid-Atlantic region.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Rooter Hero Plumbing & AIRrooterhero.com HQ: Los Angeles, CA, United StatesReported employees: 201-500 | Los Angeles, CA, United States | 201-500 | Exact match | 180 contacts → |
“https://linktr.ee/Rooter.Hero At Rooter Hero Plumbing, we pride ourselves on providing Competitive Pricing, Quality Work and Professional Service on every plumbing appointment.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 179 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | Swale Heating Part Of Sureserveswaleheating.com HQ: Sittingbourne, United KingdomReported employees: 201-500 | Sittingbourne, United Kingdom | 201-500 | Exact match | 129 contacts → |
“As an established heating company based in Kent, Swale Heating are proud to offer expert guidance in choosing the best heating and boiler systems & products available today.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Plomberie & Chauffage Alain Daigle INCalaindaigle.net HQ: Repentigny, QC, CanadaReported employees: 51-200 | Repentigny, QC, Canada | 51-200 | Exact match | 123 contacts → |
“Établi depuis 1992 et possédant une équipe qualifiée, PLOMBERIE ET CHAUFFAGE ALAIN DAIGLE INC.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | DRF Water Heating Solutionsdrftps.com HQ: Plainfield, IL, United StatesReported employees: 51-200 | Plainfield, IL, United States | 51-200 | Exact match | 107 contacts → |
“DRF Water Heating Solutions mission is to help as many people as we can.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 97 contacts → |
“Milani has been specializing in servicing the plumbing, drainage and heating needs of commercial and residential clients since 1956.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Advanced Home Servicesmydadcandothat.com HQ: Rigby, ID, United StatesReported employees: 11-50 | Rigby, ID, United States | 11-50 | Exact match | 93 contacts → |
“At Advanced Home Services our goal is to provide you with Advanced plumbing and heating services that will make your life simple, convenient and comfortable.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Casa Mechanical Servicescasamechanical.com HQ: Round Rock, TX, United StatesReported employees: 51-200 | Round Rock, TX, United States | 51-200 | Exact match | 89 contacts → |
“CASA Mechanical is owned and operated by the W.G.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Howe, INChoweinc.com HQ: Sioux Falls, SD, United StatesReported employees: 51-200 | Sioux Falls, SD, United States | 51-200 | Exact match | 87 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Lee's Air, Plumbing, Heating, & Roofingleesair.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 79 contacts → |
“Serving Fresno, CA Since 1981.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Delta Mechanical, INCdeltamechanical.com HQ: Mesa, AZ, United StatesReported employees: 51-200 | Mesa, AZ, United States | 51-200 | Exact match | 79 contacts → |
“For over 30 years, Delta Mechanical has been a leader in plumbing services.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mechanical ONEmechanicalone.com HQ: Altamonte Springs, FL, United StatesReported employees: 501-1,000 | Altamonte Springs, FL, United States | 501-1,000 | Exact match | 72 contacts → |
“Mechanical One is a renowned home repair and maintenance service provider in Central Florida, renowned for its high-quality services since launching in 2021.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Serviceoneserviceone.com HQ: Omaha, NE, United StatesReported employees: 51-200 | Omaha, NE, United States | 51-200 | Exact match | 70 contacts → |
“One Simple Solution.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Umc, INCumc.us HQ: Salt Lake City, UT, United StatesReported employees: 201-500 | Salt Lake City, UT, United States | 201-500 | Exact match | 66 contacts → |
“OUR MISSION is to deliver quality service in a timely manner.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | AIR Comfortaircomfort.com HQ: Woodridge, IL, United StatesReported employees: 51-200 | Woodridge, IL, United States | 51-200 | Exact match | 65 contacts → |
“Air Comfort was founded in 1935 as an engineering company and equipment distributor for Dr.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rite WAY Heating, Cooling & Plumbingritewayac.com HQ: Tucson, AZ, United StatesReported employees: 201-500 | Tucson, AZ, United States | 201-500 | Exact match | 64 contacts → |
“Serving and Keeping Southern Arizona Cool and Comfortable since 1959 We offer you peace of mind, ensuring your HVAC and plumbing equipment operates safely.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Haddad Plumbing & Heating INChaddadplumbing.com HQ: Newark, NJ, United StatesReported employees: 51-200 | Newark, NJ, United States | 51-200 | Exact match | 64 contacts → |
“Haddad Plumbing & Heating is one of the leading plumbing and HVAC contractors in the Tri-State Area since We provide comprehensive plumbing and HVAC services to commercial and…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Hot water system contractors: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
6,490 records in the displayed employee bands.
240 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 6,730 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Hot water system contractors by location
15 lists · largest firstEvery Hot water system contractors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hot water system contractors based in the United States2,275
- Hot water system contractors based in the United Kingdom1,064
- Hot water system contractors based in France602
- Hot water system contractors based in Canada404
- Hot water system contractors based in Italy259
- Hot water system contractors based in Australia239
- Hot water system contractors based in Germany211
- Hot water system contractors based in the Netherlands179
- Hot water system contractors based in Belgium94
- Hot water system contractors based in Switzerland68
- Hot water system contractors based in Sweden40
- Hot water system contractors based in New Zealand38
- Hot water system contractors based in Norway33
Cities
Questions about this company list
What does Exact match mean for hot water system contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many hot water system contractors did RevenueBase find worldwide?
The saved snapshot records 6,730 matching company records, 30,110 tracked contacts and 5,483 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 hot water system contractors worldwide. Snapshot: October 14, 2026. https://revenuebase.ai/companies/browse/hot-water-system-contractors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗