Company lists · Data refreshed November 2026

Top 25 Water heater installation services worldwide

RevenueBase identified 4,747 company matches for water heater installation services worldwide as of November 2026 and tracks 31,934 professional contacts across them, including 6,793 with verified work emails. The United States is the largest market and Calgary the largest hub.

This list covers company matches for water heater installation 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 water heater installation 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
4,747Companies
31,934Contacts tracked
6,793Verified emails
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The 25 largest water heater installation services worldwide

Ranked by team size
Top 25 of 4,747 company matches for water heater installation services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchToronto, ON, CanadaHQ recorded Nov 6, 20261,001-5,0001,656 contacts →

Exact match

“As a leader in home services and energy efficient solutions for over 60 years, Reliance Home Comfort® (Reliance) is committed to being the Destination of Choice by delivering…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAmbler, PA, United StatesHQ recorded Nov 6, 20261,001-5,000748 contacts →

Exact match

“Bradford White Corporation is an American-owned, full-line manufacturer of residential, commercial, and industrial products for water heating, space heating, combination heating…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWilmington, MD, United StatesHQ recorded Nov 6, 2026501-1,000472 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
4Exact matchNashville, TN, United StatesHQ recorded Nov 6, 2026501-1,000383 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
5Exact matchOrem, UT, United StatesHQ recorded Nov 6, 2026201-500265 contacts →

Exact match

“Any Hour Services think there should be no place safer or more comfortable than your home.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 2026501-1,000258 contacts →

Exact match

“Morris-Jenkins is like family!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchManassas, VA, United StatesHQ recorded Nov 6, 2026501-1,000215 contacts →

Exact match

“As a community-oriented company for over 40 years, we put our customers first and stand behind our products and services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLititz, PA, United StatesHQ recorded Nov 6, 2026201-500204 contacts →

Exact match

“Since 1981, Haller Enterprises has proudly served central and eastern Pennsylvania as a leader in heating, cooling, plumbing, and electrical services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchZwanenburg, NetherlandsHQ recorded Nov 6, 2026201-500199 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
10Exact matchSt. Catharines, ON, CanadaHQ recorded Nov 6, 20261,001-5,000199 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
11Exact matchMarietta, GA, United StatesHQ recorded Nov 6, 2026501-1,000189 contacts →

Exact match

“At Coolray, we base our business principles on people helping people with honest, dependable service you can count on.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 2026201-500185 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
13Exact matchBaltimore, MD, United StatesHQ recorded Nov 6, 2026201-500183 contacts →

Exact match

“Len The Plumber Heating & Air is a leading home services provider delivering trusted plumbing, heating, cooling, and air quality solutions across the Mid-Atlantic region.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchGreenwood, IN, United StatesHQ recorded Nov 6, 2026501-1,000173 contacts →

Exact match

“Peterman Brothers is a family-owned residential heating, cooling, plumbing & electrical company with offices in Indiana, Ohio, and Kentucky.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLynnwood, WA, United StatesHQ recorded Nov 6, 2026n/a173 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchKansas City, MO, United StatesHQ recorded Nov 6, 2026201-500144 contacts →

Exact match

“Since 1959, A.B.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSpringdale, AR, United StatesHQ recorded Nov 6, 2026201-500142 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
18Exact matchRichmond, VA, United StatesHQ recorded Nov 6, 2026501-1,000131 contacts →

Exact match

“Whether it's heating and cooling, plumbing, electrical, generators, indoor air quality, propane and heating oil, Woodfin is the #1 home comfort provider for everything your home…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPleasanton, CA, United StatesHQ recorded Nov 6, 2026201-500118 contacts →

Exact match

“Service Champions is a nationally recognized leader in providing comprehensive home comfort solutions, including water heaters, filtration systems, electrical services, heating…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchPlainfield, IL, United StatesHQ recorded Nov 6, 202651-200110 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
21Exact matchBurnaby, BC, CanadaHQ recorded Nov 6, 202651-200102 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
22Exact matchCentennial, CO, United StatesHQ recorded Nov 6, 202651-200101 contacts →

Exact match

“Plumbline Services was founded in Colorado in 1998 on a simple premise to provide pleasant and professional plumbing, water heater, heating, air conditioning, drain cleaning and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMarietta, GA, United StatesHQ recorded Nov 6, 2026201-500100 contacts →

Exact match

“During the past 30 years, Casteel Heating, Cooling, Plumbing & Electrical has been one of the most respected names in metro Atlanta for heating and air conditioning.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchRancho Cordova, CA, United StatesHQ recorded Nov 6, 2026201-500100 contacts →

Exact match

“Leading the way home.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCalgary, AB, CanadaHQ recorded Nov 6, 2026201-50093 contacts →

Exact match

“Trusted Furnace, Air Conditioner, & Water Heater Repair/Installation Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 4,747 water heater installation services worldwide

See the full list, filter by size, metro and specialty, and access 6,793 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Water heater installation services worldwide at a glance

As of Nov 6, 2026
21.3%Verified-email coverage
6.7Average contacts per company
1-10Median size (employees)
0.7%Largest-city concentration · Calgary
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,591
11-50
1,515
51-200
361
201-500
38
501-1,000
20
1,001-5,000
9
5,001-10,000
1
10001+
3

Email recency is reported on each country list linked below.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for water heater installation services are linked below.
What qualifies
Company records worldwide whose business descriptions match “water heater installation 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 6,793 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Water heater installation services by location

8 lists · largest first

Every Water heater installation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “water heater installation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many water heater installation services are there worldwide?

RevenueBase identified 4,747 company matches for water heater installation 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?

Reliance Home Comfort tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most water heater installation services?

The United States leads with 2,678 companies, followed by Canada (372) and France (312). Every water heater installation services list by country and city is linked on this page.

Which city has the most water heater installation services?

Calgary leads with 32 company records, followed by Sao Paulo (31) and London (28).

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 6,793 professional contacts with verified work emails tracked across these 4,747 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.

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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.