Company lists · Data refreshed November 2026

Top 25 Renewable heating system installers based in the United States

RevenueBase identified 304 company matches for renewable heating system installers associated with the United States as of November 2026 and tracks 1,942 professional contacts across them, including 519 with verified work emails. New York is the largest hub.

This list covers company matches for renewable heating system 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 November 6, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
304Companies
1,942Contacts tracked
519Verified emails
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The 25 largest renewable heating system installers based in the United States

Ranked by team size
Top 25 of 304 company matches for renewable heating system installers based in the United States, 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 matchArmonk, NY, United StatesHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Brightcore Energy is a leading renewable energy solutions provider serving commercial, institutional, and government clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWinter Park, FL, United StatesHQ recorded Nov 6, 2026501-1,00093 contacts →

Exact match

“One Stop Cooling & Heating has been providing exceptional installations and service for 26 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBozeman, WY, United StatesHQ recorded Nov 6, 2026201-50076 contacts →

Exact match

“Energy 1 designs and installs state-of-the-art Mechanical, Electrical, and Plumbing systems that utilize renewable technologies and deliver efficiency, elegance, and legacies our…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchRancho Cordova, CA, United StatesHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“When you turn to us for your homes' energy efficient upgrade, you can take comfort in knowing you've made the right choice for your Plumbing, Electrical, Solar or Heating and Air…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Team Sunshine is New England's Premier Solar Installation Company and has been helping New England Homeowners transition from fossil fuels to renewable energy since 2019.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMarlborough, MA, United StatesHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Endless Energy is a locally owned energy efficiency and HVAC company with over 40 years of service to our community.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNewton, MA, United StatesHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Forge makes home comfort simple and sustainable with energy-efficient heat pump installations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchFort Collins, CO, United StatesHQ recorded Nov 6, 202651-20036 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSan Antonio, TX, United StatesHQ recorded Nov 6, 202611-5033 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAtascadero, CA, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Solarponics is the Central Coast's go-to renewable energy company, helping residences achieve energy independence for over 45 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchFrederick, NC, United StatesHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“SES designs, installs, and services solar water heating systems, photovoltaic systems, solar pool heating systems, radiant floor heating systems, and wood-fired boilers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchEl Cerrito, CA, United StatesHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“Hassler Heating and Air Conditioning, Inc.(HHAC) provides exceptional residential heating and cooling services with a focus on improving your homes energy efficiency.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchHolliston, MA, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“We are a team of experienced professionals who are dedicated to providing high-quality, energy-efficient heating & cooling solutions for our customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Heating and Cooling systems are our business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAugusta, United StatesHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Celebrating 125 Years of comfort solutions for the great people of Central Maine.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchBrighton, MI, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“The Green Panel is a Michigan-based solar energy company that quotes, engineers and installs solar photovoltaic (PV) and solar thermal systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchCohasset, MA, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Renewable Energy Systems, LLC, otherwise known as RESSolar installs Solar Hot Water, PV, and Solar Pool Heating.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchVancouver, WA, United StatesHQ recorded Nov 6, 20261-1015 contacts →

Exact match

“GreenLight Solar is one of Vancouver, Washington's leaders in solar energy systems and SW Washington’s fastest growing and highly experienced solar installation company's in the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchE. Syracuse, NY, United StatesHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“NYSERDA eligible installers of Wind Energy Conversion Systems and Solar P-V systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchVista, United StatesHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Cosmic Solar, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchSearsport, ME, United StatesHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Sundog Solar is a locally-owned solar energy and heat pump installation company dedicated to making clean energy affordable and available for Maine home and business owners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBallston Spa, NY, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Aztech Geothermal, LLC offers a comprehensive solution for renewable geothermal heating and cooling systems in residential and commercial buildings with recognized expertise in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchBlacksburg, VA, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“We design and install photovoltaic (PV) and solar thermal systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchGarfield, NJ, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“At Lawrence Lowy Associates Heating Company, we pride ourselves on delivering reliable and efficient heating solutions tailored to your needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBrockton, MA, United StatesHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Join us in Controlling Climate Change, by using solar PV Powered by the.”

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

Showing 25 of 304 renewable heating system installers based in the United States

See the full list, filter by size, metro and specialty, and access 519 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Renewable heating system installers based in the United States at a glance

As of Nov 6, 2026
26.7%Verified-email coverage
6.4Average contacts per company
1-10Median size (employees)
1.3%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
163
11-50
112
51-200
21
201-500
2
501-1,000
2

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 304 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 “renewable heating system 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 519 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.

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 “renewable heating system installers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many renewable heating system installers are there based in the United States?

RevenueBase identified 304 company matches for renewable heating system installers associated with the United States 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?

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

Which city has the most renewable heating system installers?

New York leads with 4 company records, followed by Portland (3) and Rancho Cordova (3).

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 519 professional contacts with verified work emails tracked across these 304 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.