Company lists · Data refreshed November 2026

Top 25 Heat pump and solar installers worldwide

RevenueBase identified 16,347 company matches for heat pump and solar installers worldwide as of November 2026 and tracks 103,195 professional contacts across them, including 22,849 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for heat pump and solar installers 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 heat pump and solar installers 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
16,347Companies
103,195Contacts tracked
22,849Verified emails
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The 25 largest heat pump and solar installers worldwide

Ranked by team size
Top 25 of 16,347 company matches for heat pump and solar installers 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 matchWall Township, NJ, United StatesHQ recorded Nov 6, 20261,001-5,0001,854 contacts →

Exact match

“Trinity Solar is one of the largest privately held residential solar companies in the nation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchOrem, UT, United StatesHQ recorded Nov 6, 20261,001-5,0001,120 contacts →

Exact match

“Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchLevallois-perret, FranceHQ recorded Nov 6, 20261,001-5,0001,054 contacts →

Exact match

“A major player in the energy transition and leader in home services, PROXISERVE provides its customers with innovative solutions enabling them to reduce their energy consumption…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchProvo, UT, United StatesHQ recorded Nov 6, 2026501-1,000945 contacts →

Exact match

“Ion Solar is a premium, full-service solar provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLelystad, NetherlandsHQ recorded Nov 6, 20261,001-5,000813 contacts →

Exact match

“Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchCascavel, BrazilHQ recorded Nov 6, 2026n/a698 contacts →

Exact match

“Na Ilumisol Energia Solar, acreditamos que sustentabilidade e economia andam juntas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact match3rd Street, PhilippinesHQ recorded Nov 6, 2026201-500560 contacts →

Exact match

“Go solar, reduce your energy bills and discover why SunPower is a world standard in solar solutions for homes, businesses and utilities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchSanta Ana, CA, United StatesHQ recorded Nov 6, 20261,001-5,000464 contacts →

Exact match

“EnergyAid acquired Titan Solar Power's intellectual property (IP) in March of 2025 through bankruptcy court.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchChandler, AZ, United StatesHQ recorded Nov 6, 202651-200420 contacts →

Exact match

“The future of Solar Sales”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBangalore, IndiaHQ recorded Nov 6, 2026201-500387 contacts →

Exact match

“Orb Energy is a vertically integrated solar energy solutions provider - including manufacturing solar photovoltaic panels in Bengaluru and financing SME customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchLaurel, MD, United StatesHQ recorded Nov 6, 2026501-1,000344 contacts →

Exact match

“With tens of thousands of customers, Solar Energy World is the fastest growing solar and battery system installation company in our region, serving Delaware, Florida, Maryland…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchEl Cajon, CA, United StatesHQ recorded Nov 6, 2026501-1,000343 contacts →

Exact match

“Ranked #1 in Solar + Battery Installation in America by "Solar Power World" Go Solar American Style!#1 Veteran Owned Solar Company in California Solar Panels.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMelbourne, AustraliaHQ recorded Nov 6, 2026n/a298 contacts →

Exact match

“Sunrun Solar is an Australian owned and operated fastest growing company providing latest technology PV solar system at very affordable price with guaranteed quality.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPensacola, FL, United StatesHQ recorded Nov 6, 20261,001-5,000284 contacts →

Exact match

“People.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOslo, NorwayHQ recorded Nov 6, 2026201-500274 contacts →

Exact match

“Otovo is an AI-Native home and business energy services company with a primary focus on solar power.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchVerona, WI, United StatesHQ recorded Nov 6, 202651-200269 contacts →

Exact match

“Everlight Solar provides homeowners with simple and affordable clean energy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCairo, EgyptHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

“Energy & Contracting Solutions (ECS) is one of Egypt’s leading players in sustainable energy and contracting solutions, developing a solid track record of over 350 projects…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchIsanti, MN, United StatesHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

“Wolf River Electric is a leading electrical and solar installation company established in 2014.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchByron Bay, AustraliaHQ recorded Nov 6, 2026201-500244 contacts →

Exact match

“Smart Energy was founded to help Australia realise its full solar potential through harnessing our lucky country’s abundance of sun.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchVilnius, LithuaniaHQ recorded Nov 6, 202651-200239 contacts →

Exact match

“Ignitis“ yra atsinaujinančios energijos bendrovės „Ignitis grupė“ dalis.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchZierikzee, NetherlandsHQ recorded Nov 6, 2026201-500221 contacts →

Exact match

“De energietransitie is één van de grootste maatschappelijke opgaven, maar wij begrijpen dat jouw wooncomfort net zo belangrijk is.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMoncton, BC, CanadaHQ recorded Nov 6, 2026501-1,000218 contacts →

Exact match

“Greenfoot Energy Solutions was established in 2014 by a group of energy experts dedicated to improving energy efficiency in Atlantic Canada.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchKhopoli, IndiaHQ recorded Nov 6, 202651-200214 contacts →

Exact match

“Exact Sun India specializes in delivering comprehensive mechanical, structural, and electrical design services, along with full-service installation solutions for both industrial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLlinars Del Vallès, SpainHQ recorded Nov 6, 2026501-1,000205 contacts →

Exact match

“SolarProfit es la compañía líder especializada en energías renovables, como energía solar fotovoltaica y sistemas de aerotermia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSteinhagen, GermanyHQ recorded Nov 6, 2026201-500188 contacts →

Exact match

“Mit Premium-Photovoltaikanlagen und Wärmepumpen im Komplettpaket erleichtern wir seit 2010 Privat- und Gewerbekunden bundesweit den Umstieg auf eine unabhängige, nachhaltige…”

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

Showing 25 of 16,347 heat pump and solar installers worldwide

See the full list, filter by size, metro and specialty, and access 22,849 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Heat pump and solar installers worldwide at a glance

As of Nov 6, 2026
22.1%Verified-email coverage
6.3Average contacts per company
1-10Median size (employees)
0.5%Largest-city concentration · Lahore
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
8,497
11-50
5,895
51-200
1,252
201-500
184
501-1,000
40
1,001-5,000
20
5,001-10,000
4
10001+
6

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 heat pump and solar installers are linked below.
What qualifies
Company records worldwide whose business descriptions match “heat pump and solar 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. 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 22,849 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.

Heat pump and solar installers by location

37 lists · largest first

Every Heat pump and solar installers 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 “heat pump and solar installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many heat pump and solar installers are there worldwide?

RevenueBase identified 16,347 company matches for heat pump and solar installers 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?

Trinity Solar tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most heat pump and solar installers?

The United States leads with 2,493 companies, followed by the United Kingdom (1,325) and France (1,317). Every heat pump and solar installers list by country and city is linked on this page.

Which city has the most heat pump and solar installers?

Lahore leads with 82 company records, followed by London (73) and Madrid (60).

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 22,849 professional contacts with verified work emails tracked across these 16,347 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.