Company lists · Data refreshed November 2026
Top 25 Hot water system maintenance services worldwide
RevenueBase identified 3,561 company matches for hot water system maintenance services worldwide as of November 2026 and tracks 23,122 professional contacts across them, including 4,957 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 maintenance services 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 hot water system maintenance services 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 maintenance services worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 472 contacts → | ||||
Exact match “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 383 contacts → | ||||
Exact match “Hiller provides residential and commercial service and repair throughout Tennessee, Southern Kentucky, Northern Alabama, Southeastern Arkansas, Northeastern Mississippi, Northern…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 373 contacts → | ||||
Exact match “Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 267 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 211 contacts → | ||||
Exact match “My Plumber Plus is the company of choice in Northern Virginia and suburban Maryland for repair and replacement of plumbing, HVAC, and electrical systems.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 199 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 199 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 185 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 161 contacts → | ||||
Exact match “About Hoffmann Brothers We are on a mission to Improve Life in Every Home.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 144 contacts → | ||||
Exact match “Since 1959, A.B.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 142 contacts → | ||||
Exact match “For more than 50 years, Paschal has provided professional Heating & Air, Plumbing & Electrical services to homeowners & businesses in Arkansas, Texas, Oklahoma, Kansas & Missouri.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 140 contacts → | ||||
Exact match “We offer superior plumbing, air conditioning, and electrical services to Residential and Commercial clients in Houston,TX.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 136 contacts → | ||||
Exact match “With over 40 years of successful delivery experience in the domestic and commercial markets you can trust Sureserve Compliance Central with all your heating needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 129 contacts → | ||||
Exact match “Established in 2004 as a provider of air-conditioning and related maintenance services for commercial buildings, SFI Group has grown its original Cape Town based business to a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 124 contacts → | ||||
Exact match “E2S, prend en charge l'entretien, le dépannage, les travaux de rénovation et d'optimisation, pour vos équipements, notamment de chauffage collectif, de petites et moyennes…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 110 contacts → | ||||
Exact match “DRF Water Heating Solutions mission is to help as many people as we can.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 102 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 101 contacts → | ||||
Exact match “IT Landes offers a wide range of commercial and industrial mechanical services, including maintenance, on-demand service, and equipment repair and replacement.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 92 contacts → | ||||
Exact match “James River Air Conditioning, Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 92 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 88 contacts → | ||||
Exact match “Serving Fresno, CA Since 1981.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 78 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 · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 78 contacts → | ||||
Exact match “Rightio is a nationally recognised home and commercial property maintenance company committed to doing things right.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 77 contacts → | ||||
Exact match “Southern Home Services provides Air Conditioning, Heating, Electrical, and Plumbing repair and maintenance services throughout Florida, Georgia, South Carolina, North Carolina…” 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 “hot water system maintenance services”. 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 3,561 hot water system maintenance services worldwide
See the full list, filter by size, metro and specialty, and access 4,957 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Hot water system maintenance services 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 hot water system maintenance services are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “hot water system maintenance services” 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 4,957 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.
Hot water system maintenance services by location
11 lists · largest firstEvery Hot water system maintenance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hot water system maintenance services based in the United States1,392
- Hot water system maintenance services based in the United Kingdom334
- Hot water system maintenance services based in France294
- Hot water system maintenance services based in Canada207
- Hot water system maintenance services based in Italy180
- Hot water system maintenance services based in Australia122
- Hot water system maintenance services based in Spain91
- Hot water system maintenance services based in Germany72
- Hot water system maintenance services based in the Netherlands71
- Hot water system maintenance services based in Belgium45
- Hot water system maintenance services based in Sweden26
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 maintenance services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many hot water system maintenance services are there worldwide?
RevenueBase identified 3,561 company matches for hot water system maintenance services 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?
Horizon Services, LLC 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 maintenance services?
The United States leads with 1,392 companies, followed by the United Kingdom (334) and France (294). Every hot water system maintenance services list by country and city is linked on this page.
Which city has the most hot water system maintenance services?
London leads with 47 company records, followed by Dubai (39) and Calgary (21).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 4,957 professional contacts with verified work emails tracked across these 3,561 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 3,561 hot water system maintenance services 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 maintenance services worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 3,561 matching company records for hot water system maintenance services worldwide, with 23,122 tracked contacts and 4,957 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 hot water system maintenance services 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 |  Horizon Services, LLChorizonservices.comHQ: Wilmington, MD, United StatesReported employees: 501-1,000 | Wilmington, MD, United States | 501-1,000 | Exact match | 472 contacts → |
“Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Hiller Plumbing, Heating, Cooling & Electricalhappyhiller.comHQ: Nashville, TN, United StatesReported employees: 501-1,000 | Nashville, TN, United States | 501-1,000 | Exact match | 383 contacts → |
“Hiller provides residential and commercial service and repair throughout Tennessee, Southern Kentucky, Northern Alabama, Southeastern Arkansas, Northeastern Mississippi, Northern…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Logista Hometechlogistahometech.frHQ: Arras, FranceReported employees: 1,001-5,000 | Arras, France | 1,001-5,000 | Exact match | 373 contacts → |
“Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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. | |||||
| 5 |  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. | |||||
| 6 |  MY Plumber Plusmyplumber.comHQ: Manassas, CA, United StatesReported employees: 201-500 | Manassas, CA, United States | 201-500 | Exact match | 211 contacts → |
“My Plumber Plus is the company of choice in Northern Virginia and suburban Maryland for repair and replacement of plumbing, HVAC, and electrical systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Bonarius Bedrijvenbonarius.comHQ: Zwanenburg, NetherlandsReported employees: 201-500 | Zwanenburg, Netherlands | 201-500 | Exact match | 199 contacts → |
“Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  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 | 199 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 · November 6, 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 | 185 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Hoffmann Brothershoffmannbros.comHQ: St. Louis, MO, United StatesReported employees: 501-1,000 | St. Louis, MO, United States | 501-1,000 | Exact match | 161 contacts → |
“About Hoffmann Brothers We are on a mission to Improve Life in Every Home.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Kansas City, MO, United StatesReported employees: 201-500 | Kansas City, MO, United States | 201-500 | Exact match | 144 contacts → |
“Since 1959, A.B.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Paschal Air, Plumbing & Electricgopaschal.comHQ: Springdale, AR, United StatesReported employees: 201-500 | Springdale, AR, United States | 201-500 | Exact match | 142 contacts → |
“For more than 50 years, Paschal has provided professional Heating & Air, Plumbing & Electrical services to homeowners & businesses in Arkansas, Texas, Oklahoma, Kansas & Missouri.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Abacus Plumbing, AIR Conditioning & Electricalabacusplumbing.netHQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 140 contacts → |
“We offer superior plumbing, air conditioning, and electrical services to Residential and Commercial clients in Houston,TX.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Sureserve Compliance Centralsureserve.co.ukHQ: Unit 5-6 Boudicca Road, United KingdomReported employees: 501-1,000 | Unit 5-6 Boudicca Road, United Kingdom | 501-1,000 | Exact match | 136 contacts → |
“With over 40 years of successful delivery experience in the domestic and commercial markets you can trust Sureserve Compliance Central with all your heating needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  SFI Group PTY LTDsfigroup.co.zaHQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 129 contacts → |
“Established in 2004 as a provider of air-conditioning and related maintenance services for commercial buildings, SFI Group has grown its original Cape Town based business to a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  E2se2s.frHQ: Villeurbanne, FranceReported employees: 201-500 | Villeurbanne, France | 201-500 | Exact match | 124 contacts → |
“E2S, prend en charge l'entretien, le dépannage, les travaux de rénovation et d'optimisation, pour vos équipements, notamment de chauffage collectif, de petites et moyennes…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  DRF Water Heating Solutionsdrftps.comHQ: Plainfield, IL, United StatesReported employees: 51-200 | Plainfield, IL, United States | 51-200 | Exact match | 110 contacts → |
“DRF Water Heating Solutions mission is to help as many people as we can.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 102 contacts → |
“Milani has been specializing in servicing the plumbing, drainage and heating needs of commercial and residential clients since 1956.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  IT Landesitlandes.comHQ: Harleysville, PA, United StatesReported employees: 51-200 | Harleysville, PA, United States | 51-200 | Exact match | 101 contacts → |
“IT Landes offers a wide range of commercial and industrial mechanical services, including maintenance, on-demand service, and equipment repair and replacement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  James River AIR Conditioning Companyjamesriverair.comHQ: Richmond, VA, United StatesReported employees: 51-200 | Richmond, VA, United States | 51-200 | Exact match | 92 contacts → |
“James River Air Conditioning, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Advanced Home Servicesmydadcandothat.comHQ: Rigby, ID, United StatesReported employees: 11-50 | Rigby, ID, United States | 11-50 | Exact match | 92 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Lee's Air, Plumbing, Heating, & Roofingleesair.comHQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 88 contacts → |
“Serving Fresno, CA Since 1981.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Mechanical ONEmechanicalone.comHQ: Altamonte Springs, FL, United StatesReported employees: 501-1,000 | Altamonte Springs, FL, United States | 501-1,000 | Exact match | 78 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Rightiorightio.co.ukHQ: Oldbury, United KingdomReported employees: 201-500 | Oldbury, United Kingdom | 201-500 | Exact match | 78 contacts → |
“Rightio is a nationally recognised home and commercial property maintenance company committed to doing things right.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Southern Home Servicessouthernhomeservices.com HQ: Maitland, FL, United StatesReported employees: 1,001-5,000 | Maitland, FL, United States | 1,001-5,000 | Exact match | 77 contacts → |
“Southern Home Services provides Air Conditioning, Heating, Electrical, and Plumbing repair and maintenance services throughout Florida, Georgia, South Carolina, North Carolina…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 3,561 company matches
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Hot water system maintenance services: 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
3,397 records in the displayed employee bands.
164 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 3,561 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 ↗
Hot water system maintenance services by location
11 lists · largest firstEvery Hot water system maintenance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hot water system maintenance services based in the United States1,392
- Hot water system maintenance services based in the United Kingdom334
- Hot water system maintenance services based in France294
- Hot water system maintenance services based in Canada207
- Hot water system maintenance services based in Italy180
- Hot water system maintenance services based in Australia122
- Hot water system maintenance services based in Spain91
- Hot water system maintenance services based in Germany72
- Hot water system maintenance services based in the Netherlands71
- Hot water system maintenance services based in Belgium45
- Hot water system maintenance services based in Sweden26
Questions about this company list
What does Exact match mean for hot water system maintenance services?
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 maintenance services did RevenueBase find worldwide?
The saved snapshot records 3,561 matching company records, 23,122 tracked contacts and 4,957 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 hot water system maintenance services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hot-water-system-maintenance-services.
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 maintenance services worldwide
RevenueBase records 3,561 matching company records for hot water system maintenance services worldwide, with 23,122 tracked contacts and 4,957 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 hot water system maintenance services 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 | Horizon Services, LLChorizonservices.com HQ: Wilmington, MD, United StatesReported employees: 501-1,000 | Wilmington, MD, United States | 501-1,000 | Exact match | 472 contacts → |
“Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Hiller Plumbing, Heating, Cooling & Electricalhappyhiller.com HQ: Nashville, TN, United StatesReported employees: 501-1,000 | Nashville, TN, United States | 501-1,000 | Exact match | 383 contacts → |
“Hiller provides residential and commercial service and repair throughout Tennessee, Southern Kentucky, Northern Alabama, Southeastern Arkansas, Northeastern Mississippi, Northern…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Logista Hometechlogistahometech.fr HQ: Arras, FranceReported employees: 1,001-5,000 | Arras, France | 1,001-5,000 | Exact match | 373 contacts → |
“Spécialiste de la maintenance immobilière, nous entretenons et dépannons les équipements de chauffage, VMC, plomberie, sanitaire, climatisation… pour les bailleurs sociaux et les…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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. | |||||
| 5 | 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. | |||||
| 6 | MY Plumber Plusmyplumber.com HQ: Manassas, CA, United StatesReported employees: 201-500 | Manassas, CA, United States | 201-500 | Exact match | 211 contacts → |
“My Plumber Plus is the company of choice in Northern Virginia and suburban Maryland for repair and replacement of plumbing, HVAC, and electrical systems.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Bonarius Bedrijvenbonarius.com HQ: Zwanenburg, NetherlandsReported employees: 201-500 | Zwanenburg, Netherlands | 201-500 | Exact match | 199 contacts → |
“Bonarius Bedrijven De naam Bonarius was lange tijd synoniem voor de aanleg en het onderhoud van cv-installaties.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 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 | 199 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 · November 6, 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 | 185 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Hoffmann Brothershoffmannbros.com HQ: St. Louis, MO, United StatesReported employees: 501-1,000 | St. Louis, MO, United States | 501-1,000 | Exact match | 161 contacts → |
“About Hoffmann Brothers We are on a mission to Improve Life in Every Home.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Kansas City, MO, United StatesReported employees: 201-500 | Kansas City, MO, United States | 201-500 | Exact match | 144 contacts → |
“Since 1959, A.B.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Paschal Air, Plumbing & Electricgopaschal.com HQ: Springdale, AR, United StatesReported employees: 201-500 | Springdale, AR, United States | 201-500 | Exact match | 142 contacts → |
“For more than 50 years, Paschal has provided professional Heating & Air, Plumbing & Electrical services to homeowners & businesses in Arkansas, Texas, Oklahoma, Kansas & Missouri.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Abacus Plumbing, AIR Conditioning & Electricalabacusplumbing.net HQ: Houston, TX, United StatesReported employees: 201-500 | Houston, TX, United States | 201-500 | Exact match | 140 contacts → |
“We offer superior plumbing, air conditioning, and electrical services to Residential and Commercial clients in Houston,TX.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Sureserve Compliance Centralsureserve.co.uk HQ: Unit 5-6 Boudicca Road, United KingdomReported employees: 501-1,000 | Unit 5-6 Boudicca Road, United Kingdom | 501-1,000 | Exact match | 136 contacts → |
“With over 40 years of successful delivery experience in the domestic and commercial markets you can trust Sureserve Compliance Central with all your heating needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | SFI Group PTY LTDsfigroup.co.za HQ: Cape Town, South AfricaReported employees: 51-200 | Cape Town, South Africa | 51-200 | Exact match | 129 contacts → |
“Established in 2004 as a provider of air-conditioning and related maintenance services for commercial buildings, SFI Group has grown its original Cape Town based business to a…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | E2se2s.fr HQ: Villeurbanne, FranceReported employees: 201-500 | Villeurbanne, France | 201-500 | Exact match | 124 contacts → |
“E2S, prend en charge l'entretien, le dépannage, les travaux de rénovation et d'optimisation, pour vos équipements, notamment de chauffage collectif, de petites et moyennes…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | DRF Water Heating Solutionsdrftps.com HQ: Plainfield, IL, United StatesReported employees: 51-200 | Plainfield, IL, United States | 51-200 | Exact match | 110 contacts → |
“DRF Water Heating Solutions mission is to help as many people as we can.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 102 contacts → |
“Milani has been specializing in servicing the plumbing, drainage and heating needs of commercial and residential clients since 1956.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | IT Landesitlandes.com HQ: Harleysville, PA, United StatesReported employees: 51-200 | Harleysville, PA, United States | 51-200 | Exact match | 101 contacts → |
“IT Landes offers a wide range of commercial and industrial mechanical services, including maintenance, on-demand service, and equipment repair and replacement.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | James River AIR Conditioning Companyjamesriverair.com HQ: Richmond, VA, United StatesReported employees: 51-200 | Richmond, VA, United States | 51-200 | Exact match | 92 contacts → |
“James River Air Conditioning, Inc.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Advanced Home Servicesmydadcandothat.com HQ: Rigby, ID, United StatesReported employees: 11-50 | Rigby, ID, United States | 11-50 | Exact match | 92 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Lee's Air, Plumbing, Heating, & Roofingleesair.com HQ: Fresno, CA, United StatesReported employees: 51-200 | Fresno, CA, United States | 51-200 | Exact match | 88 contacts → |
“Serving Fresno, CA Since 1981.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Mechanical ONEmechanicalone.com HQ: Altamonte Springs, FL, United StatesReported employees: 501-1,000 | Altamonte Springs, FL, United States | 501-1,000 | Exact match | 78 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 · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rightiorightio.co.uk HQ: Oldbury, United KingdomReported employees: 201-500 | Oldbury, United Kingdom | 201-500 | Exact match | 78 contacts → |
“Rightio is a nationally recognised home and commercial property maintenance company committed to doing things right.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Southern Home Servicessouthernhomeservices.com HQ: Maitland, FL, United StatesReported employees: 1,001-5,000 | Maitland, FL, United States | 1,001-5,000 | Exact match | 77 contacts → |
“Southern Home Services provides Air Conditioning, Heating, Electrical, and Plumbing repair and maintenance services throughout Florida, Georgia, South Carolina, North Carolina…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Hot water system maintenance services: 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
3,397 records in the displayed employee bands.
164 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 3,561 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 ↗
Hot water system maintenance services by location
11 lists · largest firstEvery Hot water system maintenance services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Hot water system maintenance services based in the United States1,392
- Hot water system maintenance services based in the United Kingdom334
- Hot water system maintenance services based in France294
- Hot water system maintenance services based in Canada207
- Hot water system maintenance services based in Italy180
- Hot water system maintenance services based in Australia122
- Hot water system maintenance services based in Spain91
- Hot water system maintenance services based in Germany72
- Hot water system maintenance services based in the Netherlands71
- Hot water system maintenance services based in Belgium45
- Hot water system maintenance services based in Sweden26
Questions about this company list
What does Exact match mean for hot water system maintenance services?
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 maintenance services did RevenueBase find worldwide?
The saved snapshot records 3,561 matching company records, 23,122 tracked contacts and 4,957 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 hot water system maintenance services worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/hot-water-system-maintenance-services.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗