Company lists · Data refreshed September 2026
Top 20 Tankless water heater installers based in the United States
RevenueBase identified 58 company matches for tankless water heater installers associated with the United States as of September 2026 and tracks 328 professional contacts across them, including 105 with verified work emails. Marietta is the largest hub.
This list covers company matches for tankless water heater installers associated with the United States, 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 September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 20 largest tankless water heater installers based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 78 contacts → | ||||
Exact match “Noritz America Corporation, a subsidiary of Noritz Japan, has corporate offices in Fountain Valley, Calif, and Atlanta, offering a full line of tankless water heaters to meet the…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 2 | 52 contacts → | ||||
Exact match “Eemax is leading the evolution of hot water with cutting-edge technology that provides consistent hot water.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 3 | 40 contacts → | ||||
Exact match “Water Heaters Only, Inc specializes in the repair and replacement of water heaters.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 4 | 11 contacts → | ||||
Exact match “Eccotemp was founded in 2004 as a family owned and operated manufacturer of energy-efficient tankless water heater company located outside of Charleston, in Summerville, SC.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 5 | 9 contacts → | ||||
Exact match “Blanton & Sons specializes in heating and air services in Charleston, along with plumbing, tankless water heater installation, and more.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 6 | 8 contacts → | ||||
Exact match “Since 1966, Chronomite has been the innovative leader in providing electric tankless water heaters for a wide variety of commercial, industrial, institutional, and residential…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 7 | 7 contacts → | ||||
Exact match “CastleWorks has been providing prompt home services since 1995, including residential and commercial water heater installations, often on the same day you call.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 8 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 9 | 6 contacts → | ||||
Exact match “Trutankless® leads the way in advancing the electric tankless industry, eliminating previous deficiencies through thoughtful engineering and modern technology.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Fast Water Heater Company provides water heater installation, repair, and service in Washington, Oregon and California.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 11 | 5 contacts → | ||||
Exact match “Niagara Industries Inc, was founded over three decades ago with the sole conviction of manufacturing a Whole-House electronic tankless water heater.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 12 | 4 contacts → | ||||
Exact match “Hot Water 911 is Chicago-land's premier 24/7 water heater repair service.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 13 | 3 contacts → | ||||
Exact match “Water Heaters Now specializes in installing only high-quality water heaters in retrofit situations as well as providing industry-leading customer experiences.(We call this…” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “rapidheaters.com Established in 2014.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “EcoSmart patented self-modulating technology can save up to 50% on water heating costs, through cutting energy loss from how much hot water is used.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match “Standard building maintenance includes water heater repair and replacement.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Optimal tankless water heaters are the most advanced tankless water heaters on the market.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “The Hot Water Heater Pros exists to take away the discomfort of replacing your water heater, by making the repair a fast, friendly, and comfortable experience.” Recorded in the RevenueBase company graph · Sep 22, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 22, 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 “tankless water heater installers”. 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 20 of 58 tankless water heater installers based in the United States
See the full list, filter by size, metro and specialty, and access 105 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Tankless water heater installers based in the United States at a glance
As of Sep 22, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 58 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with the United States whose business descriptions match “tankless water heater installers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 105 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 September 22, 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.
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 “tankless water heater installers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many tankless water heater installers are there based in the United States?
RevenueBase identified 58 company matches for tankless water heater installers associated with the United States as of September 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?
Noritz America tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most tankless water heater installers?
Marietta leads with 2 company records, followed by Miami (2) and Tucson (2).
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 105 professional contacts with verified work emails tracked across these 58 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 September 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 58 tankless water heater installers based in the United States. 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.
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Company intelligence · public preview
Top 20 tankless water heater installers based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 58 matching company records for tankless water heater installers based in the United States, with 328 tracked contacts and 105 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 20 tankless water heater installers based in the United States
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 | Noritz Americanoritz.com HQ: Fountain Valley, CA, United StatesReported employees: 51-200 | Fountain Valley, CA, United States | 51-200 | Exact match | 78 contacts → |
“Noritz America Corporation, a subsidiary of Noritz Japan, has corporate offices in Fountain Valley, Calif, and Atlanta, offering a full line of tankless water heaters to meet the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Eemax, Inc. A Rheem Companyeemax.com HQ: Waterbury, CT, United StatesReported employees: 51-200 | Waterbury, CT, United States | 51-200 | Exact match | 52 contacts → |
“Eemax is leading the evolution of hot water with cutting-edge technology that provides consistent hot water.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Water Heaters Only, INCwaterheatersonly.com HQ: Grass Valley, CA, United StatesReported employees: 51-200 | Grass Valley, CA, United States | 51-200 | Exact match | 40 contacts → |
“Water Heaters Only, Inc specializes in the repair and replacement of water heaters.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eccotempeccotemp.com HQ: Summerville, SC, United StatesReported employees: 11-50 | Summerville, SC, United States | 11-50 | Exact match | 11 contacts → |
“Eccotemp was founded in 2004 as a family owned and operated manufacturer of energy-efficient tankless water heater company located outside of Charleston, in Summerville, SC.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Blanton & Sonsblantonandsons.com HQ: Ravenel, SC, United StatesReported employees: 11-50 | Ravenel, SC, United States | 11-50 | Exact match | 9 contacts → |
“Blanton & Sons specializes in heating and air services in Charleston, along with plumbing, tankless water heater installation, and more.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Chronomitechronomite.com HQ: City Of Industry, CA, United StatesReported employees: 11-50 | City Of Industry, CA, United States | 11-50 | Exact match | 8 contacts → |
“Since 1966, Chronomite has been the innovative leader in providing electric tankless water heaters for a wide variety of commercial, industrial, institutional, and residential…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Castleworks Water Heaterscastleworks.com HQ: Santa Clarita, CA, United StatesReported employees: 51-200 | Santa Clarita, CA, United States | 51-200 | Exact match | 7 contacts → |
“CastleWorks has been providing prompt home services since 1995, including residential and commercial water heater installations, often on the same day you call.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 1 800 Heaters1800heaters.com HQ: Edison, NJ, United StatesReported employees: 51-200 | Edison, NJ, United States | 51-200 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Trutanklesstrutankless.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 6 contacts → |
“Trutankless® leads the way in advancing the electric tankless industry, eliminating previous deficiencies through thoughtful engineering and modern technology.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Fast Water Heater Companyfastwaterheater.com HQ: Woodinville, WA, United StatesReported employees: 51-200 | Woodinville, WA, United States | 51-200 | Exact match | 5 contacts → |
“Fast Water Heater Company provides water heater installation, repair, and service in Washington, Oregon and California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Niagara Industries INCtanklesswaterheater.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 5 contacts → |
“Niagara Industries Inc, was founded over three decades ago with the sole conviction of manufacturing a Whole-House electronic tankless water heater.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  HOT Water 911hotwater911.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 4 contacts → |
“Hot Water 911 is Chicago-land's premier 24/7 water heater repair service.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Water Heaters NOWwaterheatersnow.com HQ: Burnsville, MN, United StatesReported employees: 1-10 | Burnsville, MN, United States | 1-10 | Exact match | 3 contacts → |
“Water Heaters Now specializes in installing only high-quality water heaters in retrofit situations as well as providing industry-leading customer experiences.(We call this…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Rapid Water Heaters LLCrapidheaters.comHQ: Oklahoma City, OK, United StatesReported employees: 1-10 | Oklahoma City, OK, United States | 1-10 | Exact match | 3 contacts → |
“rapidheaters.com Established in 2014.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ecosmart Tankless Electric Water Heatersecosmartus.com HQ: Waterbury, CT, United StatesReported employees: 51-200 | Waterbury, CT, United States | 51-200 | Exact match | 3 contacts → |
“EcoSmart patented self-modulating technology can save up to 50% on water heating costs, through cutting energy loss from how much hot water is used.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Valencia, CA, United StatesReported employees: 11-50 | Valencia, CA, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Masters Plumbingmastersplumbingllc.com HQ: Springfield, MO, United StatesReported employees: 1-10 | Springfield, MO, United States | 1-10 | Exact match | 3 contacts → |
“Standard building maintenance includes water heater repair and replacement.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Optimalitsoptimal.com HQ: Miami, FL, United StatesReported employees: 1-10 | Miami, FL, United States | 1-10 | Exact match | 2 contacts → |
“Optimal tankless water heaters are the most advanced tankless water heaters on the market.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The HOT Water Heater Prosthehotwaterheaterpros.com HQ: Franklin, TN, United StatesReported employees: 1-10 | Franklin, TN, United States | 1-10 | Exact match | 1 contacts → |
“The Hot Water Heater Pros exists to take away the discomfort of replacing your water heater, by making the repair a fast, friendly, and comfortable experience.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kite Plumbing LLCkiteplumbingal.com HQ: Huntsville, AL, United StatesReported employees: 1-10 | Huntsville, AL, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 20 of 58 company matches
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Tankless water heater installers: dataset insights
September 22, 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
58 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 58 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: September 22, 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 ↗
Questions about this company list
What does Exact match mean for tankless water heater installers?
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 tankless water heater installers did RevenueBase find based in the United States?
The saved snapshot records 58 matching company records, 328 tracked contacts and 105 verified emails. The public preview displays 20 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: September 22, 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
Cite this list
RevenueBase Data Team. Top 20 tankless water heater installers based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/tankless-water-heater-installers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- AI companies based in the United States
- Cybersecurity companies based in the United States
- Manufacturing companies based in the United States
- Media companies based in the United States
- Oil and gas companies based in the United States
- Real estate companies based in the United States
Company intelligence · public preview
Top 20 tankless water heater installers based in the United States
RevenueBase records 58 matching company records for tankless water heater installers based in the United States, with 328 tracked contacts and 105 verified work emails.
This public preview shows 20 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 22, 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 20 tankless water heater installers based in the United States
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 | Noritz Americanoritz.com HQ: Fountain Valley, CA, United StatesReported employees: 51-200 | Fountain Valley, CA, United States | 51-200 | Exact match | 78 contacts → |
“Noritz America Corporation, a subsidiary of Noritz Japan, has corporate offices in Fountain Valley, Calif, and Atlanta, offering a full line of tankless water heaters to meet the…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Eemax, Inc. A Rheem Companyeemax.com HQ: Waterbury, CT, United StatesReported employees: 51-200 | Waterbury, CT, United States | 51-200 | Exact match | 52 contacts → |
“Eemax is leading the evolution of hot water with cutting-edge technology that provides consistent hot water.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Water Heaters Only, INCwaterheatersonly.com HQ: Grass Valley, CA, United StatesReported employees: 51-200 | Grass Valley, CA, United States | 51-200 | Exact match | 40 contacts → |
“Water Heaters Only, Inc specializes in the repair and replacement of water heaters.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eccotempeccotemp.com HQ: Summerville, SC, United StatesReported employees: 11-50 | Summerville, SC, United States | 11-50 | Exact match | 11 contacts → |
“Eccotemp was founded in 2004 as a family owned and operated manufacturer of energy-efficient tankless water heater company located outside of Charleston, in Summerville, SC.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Blanton & Sonsblantonandsons.com HQ: Ravenel, SC, United StatesReported employees: 11-50 | Ravenel, SC, United States | 11-50 | Exact match | 9 contacts → |
“Blanton & Sons specializes in heating and air services in Charleston, along with plumbing, tankless water heater installation, and more.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Chronomitechronomite.com HQ: City Of Industry, CA, United StatesReported employees: 11-50 | City Of Industry, CA, United States | 11-50 | Exact match | 8 contacts → |
“Since 1966, Chronomite has been the innovative leader in providing electric tankless water heaters for a wide variety of commercial, industrial, institutional, and residential…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Castleworks Water Heaterscastleworks.com HQ: Santa Clarita, CA, United StatesReported employees: 51-200 | Santa Clarita, CA, United States | 51-200 | Exact match | 7 contacts → |
“CastleWorks has been providing prompt home services since 1995, including residential and commercial water heater installations, often on the same day you call.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | 1 800 Heaters1800heaters.com HQ: Edison, NJ, United StatesReported employees: 51-200 | Edison, NJ, United States | 51-200 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 9 | Trutanklesstrutankless.com HQ: Scottsdale, AZ, United StatesReported employees: 11-50 | Scottsdale, AZ, United States | 11-50 | Exact match | 6 contacts → |
“Trutankless® leads the way in advancing the electric tankless industry, eliminating previous deficiencies through thoughtful engineering and modern technology.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Fast Water Heater Companyfastwaterheater.com HQ: Woodinville, WA, United StatesReported employees: 51-200 | Woodinville, WA, United States | 51-200 | Exact match | 5 contacts → |
“Fast Water Heater Company provides water heater installation, repair, and service in Washington, Oregon and California.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Niagara Industries INCtanklesswaterheater.com HQ: Miami, FL, United StatesReported employees: 51-200 | Miami, FL, United States | 51-200 | Exact match | 5 contacts → |
“Niagara Industries Inc, was founded over three decades ago with the sole conviction of manufacturing a Whole-House electronic tankless water heater.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HOT Water 911hotwater911.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 4 contacts → |
“Hot Water 911 is Chicago-land's premier 24/7 water heater repair service.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Water Heaters NOWwaterheatersnow.com HQ: Burnsville, MN, United StatesReported employees: 1-10 | Burnsville, MN, United States | 1-10 | Exact match | 3 contacts → |
“Water Heaters Now specializes in installing only high-quality water heaters in retrofit situations as well as providing industry-leading customer experiences.(We call this…” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Rapid Water Heaters LLCrapidheaters.com HQ: Oklahoma City, OK, United StatesReported employees: 1-10 | Oklahoma City, OK, United States | 1-10 | Exact match | 3 contacts → |
“rapidheaters.com Established in 2014.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Ecosmart Tankless Electric Water Heatersecosmartus.com HQ: Waterbury, CT, United StatesReported employees: 51-200 | Waterbury, CT, United States | 51-200 | Exact match | 3 contacts → |
“EcoSmart patented self-modulating technology can save up to 50% on water heating costs, through cutting energy loss from how much hot water is used.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Valencia, CA, United StatesReported employees: 11-50 | Valencia, CA, United States | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Masters Plumbingmastersplumbingllc.com HQ: Springfield, MO, United StatesReported employees: 1-10 | Springfield, MO, United States | 1-10 | Exact match | 3 contacts → |
“Standard building maintenance includes water heater repair and replacement.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Optimalitsoptimal.com HQ: Miami, FL, United StatesReported employees: 1-10 | Miami, FL, United States | 1-10 | Exact match | 2 contacts → |
“Optimal tankless water heaters are the most advanced tankless water heaters on the market.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | The HOT Water Heater Prosthehotwaterheaterpros.com HQ: Franklin, TN, United StatesReported employees: 1-10 | Franklin, TN, United States | 1-10 | Exact match | 1 contacts → |
“The Hot Water Heater Pros exists to take away the discomfort of replacing your water heater, by making the repair a fast, friendly, and comfortable experience.” Recorded description excerpt · September 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Kite Plumbing LLCkiteplumbingal.com HQ: Huntsville, AL, United StatesReported employees: 1-10 | Huntsville, AL, United States | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 20 of 58 company matches
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Tankless water heater installers: dataset insights
September 22, 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
58 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 58 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: September 22, 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 ↗
Questions about this company list
What does Exact match mean for tankless water heater installers?
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 tankless water heater installers did RevenueBase find based in the United States?
The saved snapshot records 58 matching company records, 328 tracked contacts and 105 verified emails. The public preview displays 20 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: September 22, 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
Cite this list
RevenueBase Data Team. Top 20 tankless water heater installers based in the United States. Snapshot: September 22, 2026. https://revenuebase.ai/companies/tankless-water-heater-installers/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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