Company lists · Data refreshed November 2026

Top 25 Solar heating system integrators worldwide

Name: Solar heating system integrators worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 21,215 companies tracked

RevenueBase identified 21,215 company matches for solar heating system integrators worldwide as of November 2026 and tracks 150,812 professional contacts across them, including 32,637 with verified work emails. The United States is the largest market and Lahore the largest hub.

This list covers company matches for solar heating system integrators 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 solar heating system integrators 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

21,215Companies

150,812Contacts tracked

32,637Verified emails

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The 25 largest solar heating system integrators worldwide

Ranked by team size

Top 25 of 21,215 company matches for solar heating system integrators 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Solarsquare	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	2,307 contacts →
	Exact match “At SolarSquare, we make going solar simple, reliable, and worry-free.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Trinity Solar	Exact match	Wall Township, NJ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,854 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
3	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,120 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
4	ION Solar	Exact match	Provo, UT, United StatesHQ recorded Nov 6, 2026	501-1,000	945 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
5	BAXI	Exact match	Warwick, United KingdomHQ recorded Nov 6, 2026	1,001-5,000	865 contacts →
	Exact match “We're leading the energy transition to zero carbon, by offering complete residential and commercial heating and hot water solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Feenstra	Exact match	Lelystad, NetherlandsHQ recorded Nov 6, 2026	1,001-5,000	813 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
7	Ilumisol Energia Solar	Exact match	Cascavel, BrazilHQ recorded Nov 6, 2026	n/a	698 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
8	Depcom Power, INC	Exact match	Scottsdale, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	658 contacts →
	Exact match “DEPCOM Power, a Koch Engineered Solutions Company, is a leading solar energy solutions partner providing Development Support, Engineering, Procurement & Construction (EPC)…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Greentech Renewables	Exact match	San Diego, MA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	602 contacts →
	Exact match “As Greentech Renewables, we prioritize our commitment to providing customers with exceptional service and top-tier products from prominent renewable energy manufacturers.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Fotus Distribuidora Solar	Exact match	Vila Velha, BrazilHQ recorded Nov 6, 2026	501-1,000	581 contacts →
	Exact match “A Fotus Distribuidora Solar é uma distribuidora nacional de soluções em energia fotovoltaica, criada para impulsionar o crescimento sustentável do mercado solar no Brasil.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Wolf Gmbh	Exact match	Mainburg, GermanyHQ recorded Nov 6, 2026	1,001-5,000	506 contacts →
	Exact match “As a leading supplier of heating and air handling systems, we are perfectly in tune with you.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Freyr Energy Services PVT LTD	Exact match	Hyderabad, IndiaHQ recorded Nov 6, 2026	501-1,000	466 contacts →
	Exact match “Freyr Energy provides simplified solar solutions for homes & businesses, making clean energy accessible & affordable.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Titan Solar Power	Exact match	Santa Ana, CA, United StatesHQ recorded Nov 6, 2026	1,001-5,000	464 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
14	Ferroli Group	Exact match	San Bonifacio, ItalyHQ recorded Nov 6, 2026	1,001-5,000	442 contacts →
	Exact match “Feel Well.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Freedom Solar Pros LLC	Exact match	Chandler, AZ, United StatesHQ recorded Nov 6, 2026	51-200	420 contacts →
	Exact match “The future of Solar Sales” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Energyscape Renewables	Exact match	Denver, United StatesHQ recorded Nov 6, 2026	501-1,000	401 contacts →
	Exact match “Established in 2019.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	REC Solar	Exact match	San Luis Obispo, CA, United StatesHQ recorded Nov 6, 2026	n/a	398 contacts →
	Exact match “Founded in 1997, REC Solar has emerged as a leader in the solar industry, installing 800+ solar and storage solutions for commercial and public sector customers nationwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	OUR World Energy	Exact match	Phoenix, AZ, United StatesHQ recorded Nov 6, 2026	201-500	393 contacts →
	Exact match “https://ourworldenergy.com/” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Vaillant Group Türkiye	Exact match	İstanbul, TürkiyeHQ recorded Nov 6, 2026	1,001-5,000	389 contacts →
	Exact match “Vaillant Group, ısıtma ve havalandırma teknolojisi alanlarında uluslararası pazarlarda lider bir kuruluştur.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	ORB Energy	Exact match	Bangalore, IndiaHQ recorded Nov 6, 2026	201-500	387 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
21	Supernova	Exact match	Irvine, CO, United StatesHQ recorded Nov 6, 2026	201-500	368 contacts →
	Exact match “Supernova embodies the spirit of innovation and dedication to a sustainable future, making it a shining example of what it means to be a leader in the renewable energy industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Wattmonk Technologies	Exact match	Delaware, United StatesHQ recorded Nov 6, 2026	201-500	350 contacts →
	Exact match “WattMonk is a leading force in the solar industry, committed to revolutionizing the way the world harnesses clean energy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Solar Energy World	Exact match	Laurel, MD, United StatesHQ recorded Nov 6, 2026	501-1,000	344 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
24	Semper Solaris	Exact match	El Cajon, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	343 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
25	Kosol Energie	Exact match	Ahmedabad, IndiaHQ recorded Nov 6, 2026	501-1,000	342 contacts →
	Exact match “At KOSOL Energie, a core team of experienced engineers and trained professionals collaborate seamlessly to generate innovative solutions aimed at replacing fossil fuels with…” 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 “solar heating system integrators”. 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 21,215 solar heating system integrators worldwide

See the full list, filter by size, metro and specialty, and access 32,637 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Solar heating system integrators worldwide at a glance

As of Nov 6, 2026

21.6%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

0.5%Largest-city concentration · Lahore

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

10,564

11-50

7,739

51-200

1,894

201-500

314

501-1,000

1,001-5,000

5,001-10,000

10001+

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 solar heating system integrators are linked below.
What qualifies: Company records worldwide whose business descriptions match “solar heating system integrators” 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 32,637 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.

Solar heating system integrators by location

57 lists · largest first

Every Solar heating system integrators 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 “solar heating system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many solar heating system integrators are there worldwide?

RevenueBase identified 21,215 company matches for solar heating system integrators 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?

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

Which country has the most solar heating system integrators?

The United States leads with 2,654 companies, followed by India (1,506) and Germany (1,407). Every solar heating system integrators list by country and city is linked on this page.

Which city has the most solar heating system integrators?

Lahore leads with 111 company records, followed by Pune (89) and Madrid (86).

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 32,637 professional contacts with verified work emails tracked across these 21,215 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.