Company lists · Data refreshed October 2026

Top 25 Energy efficient home upgrade contractors worldwide

Name: Energy efficient home upgrade contractors worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 11,896 companies tracked

RevenueBase identified 11,896 company matches for energy efficient home upgrade contractors worldwide as of October 2026 and tracks 105,696 professional contacts across them, including 19,804 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers company matches for energy efficient home upgrade contractors 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 October 12, 2026. Country and city lists for energy efficient home upgrade contractors 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 Oct 12, 2026 How this list was built

11,896Companies

105,696Contacts tracked

19,804Verified emails

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The 25 largest energy efficient home upgrade contractors worldwide

Ranked by team size

Top 25 of 11,896 company matches for energy efficient home upgrade contractors worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 12, 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	Home Depot	Exact match	United StatesHQ recorded Oct 12, 2026	5,001-10,000	20,214 contacts →
	Exact match “Energy Savings Installed For You Installation you can trust.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
2	Truteam	Exact match	Daytona Beach, FL, United StatesHQ recorded Oct 12, 2026	10001+	1,567 contacts →
	Exact match “TruTeam is the nation’s largest insulation installer and we also install fireplaces, gutters, garage doors and more.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Sears Home Improvement Products	Exact match	Longwood, FL, United StatesHQ recorded Oct 12, 2026	10001+	1,211 contacts →
	Exact match “Sears Home Improvement Products and Services, a member of the Sears Holdings Corporation (NASDAQ: SHLD) family of companies, is one of America's largest home improvement companies…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Blue Raven Solar	Exact match	Orem, UT, United StatesHQ recorded Oct 12, 2026	1,001-5,000	1,075 contacts →
	Exact match “Blue Raven Solar, a SunPower Company, is a retailer of residential home solar systems.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Proxiserve	Exact match	Levallois-perret, FranceHQ recorded Oct 12, 2026	1,001-5,000	984 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 · Oct 12, 2026 · View company records in RevenueBase
6	Champion Windows & Home Exteriors	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 12, 2026	1,001-5,000	965 contacts →
	Exact match “With over six decades of experience and expertise, Champion Windows and Home Exteriors, a Great Day Improvements brand, is one of the nation’s leading home improvement companies.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Feenstra	Exact match	Lelystad, NetherlandsHQ recorded Oct 12, 2026	1,001-5,000	789 contacts →
	Exact match “Sinds het ontstaan in 1947 is Feenstra marktleider in installatietechniek met een nationale dekking.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Technitoit	Exact match	Les Ponts De Cé, FranceHQ recorded Oct 12, 2026	501-1,000	558 contacts →
	Exact match “Notre groupe, premier fabricant-applicateur, est le spécialiste français de l'amélioration de l'habitat.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Noresco	Exact match	Westborough, MA, United StatesHQ recorded Oct 12, 2026	201-500	479 contacts →
	Exact match “NORESCO, an OPTERRA company, helps customers modernize aging building systems and upgrade energy and water infrastructure to meet evolving demands.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Posigen	Exact match	St. Rose, LA, United StatesHQ recorded Oct 12, 2026	501-1,000	433 contacts →
	Exact match “PosiGen is the nation's leading residential solar and energy efficiency provider.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Freedom Solar Pros LLC	Exact match	Chandler, AZ, United StatesHQ recorded Oct 12, 2026	51-200	388 contacts →
	Exact match “The future of Solar Sales” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Homeserve France	Exact match	Lyon Cedex 7, FranceHQ recorded Oct 12, 2026	501-1,000	385 contacts →
	Exact match “Depuis près de 25 ans, HomeServe accompagne les particuliers vers une maison plus durable, plus sûre et plus économique.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	KBANE	Exact match	Villeneuve-d’ascq, FranceHQ recorded Oct 12, 2026	501-1,000	373 contacts →
	Exact match “Kbane est la 1ère enseigne en France, dédiée à la maison performante.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Homeworks Energy, INC	Exact match	Medford, MA, United StatesHQ recorded Oct 12, 2026	201-500	369 contacts →
	Exact match “At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Semper Solaris	Exact match	El Cajon, CA, United StatesHQ recorded Oct 12, 2026	501-1,000	337 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 · Oct 12, 2026 · View company records in RevenueBase
16	Statewide Remodeling	Exact match	Grapevine, TX, United StatesHQ recorded Oct 12, 2026	201-500	321 contacts →
	Exact match “Investing in home improvements is an important decision.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	EFFY	Exact match	Paris, FranceHQ recorded Oct 12, 2026	201-500	293 contacts →
	Exact match “Effy, spécialiste de l’efficience énergétique.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
18	Arclima Engenharia	Exact match	Cabo De Santo Agostinho, BrazilHQ recorded Oct 12, 2026	201-500	292 contacts →
	Exact match “A Arclima Engenharia é uma empresa brasileira especializada em Climatização, Refrigeração e Eficiência Energética (HVAC), com atuação em todo o território nacional.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	PPF France	Exact match	Sainte-Luce Sur Loire, FranceHQ recorded Oct 12, 2026	51-200	277 contacts →
	Exact match “Spécialiste reconnu de la vente de solutions énergétiques dans le domaine de la rénovation, la société PPF (Préservation du Patrimoine) bénéficie d’une forte réputation de qualité…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Meraki Solar	Exact match	Pensacola, FL, United StatesHQ recorded Oct 12, 2026	1,001-5,000	267 contacts →
	Exact match “People.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Everlight Solar	Exact match	Verona, WI, United StatesHQ recorded Oct 12, 2026	51-200	263 contacts →
	Exact match “Everlight Solar provides homeowners with simple and affordable clean energy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Apex Energy Solutions	Exact match	Zionsville, IN, United StatesHQ recorded Oct 12, 2026	51-200	260 contacts →
	Exact match “A pioneering dealer for next-generation windows and eco-friendly building products, Apex Energy Solutions serves homeowners who value and love the place they call home.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	ANY Hour Services	Exact match	Orem, UT, United StatesHQ recorded Oct 12, 2026	201-500	255 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 · Oct 12, 2026 · View company records in RevenueBase
24	Reliable Heating & AIR	Exact match	Kennesaw, GA, United StatesHQ recorded Oct 12, 2026	201-500	236 contacts →
	Exact match “Since 1978, Reliable Heating & Air has been serving all of Metro Atlanta's communities offering heating, cooling, plumbing and electrical services, indoor air quality, duct…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
25	Wolf River Electric	Exact match	Isanti, MN, United StatesHQ recorded Oct 12, 2026	201-500	231 contacts →
	Exact match “Wolf River Electric is a leading electrical and solar installation company established in 2014.” Recorded in the RevenueBase company graph · Oct 12, 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 “energy efficient home upgrade contractors”. 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 11,896 energy efficient home upgrade contractors worldwide

See the full list, filter by size, metro and specialty, and access 19,804 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficient home upgrade contractors worldwide at a glance

As of Oct 12, 2026

18.7%Verified-email coverage

8.9Average contacts per company

1-10Median size (employees)

0.7%Largest-city concentration · Paris

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

6,243

11-50

4,286

51-200

977

201-500

160

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 energy efficient home upgrade contractors are linked below.
What qualifies: Company records worldwide whose business descriptions match “energy efficient home upgrade contractors” 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 19,804 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 October 12, 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.

Energy efficient home upgrade contractors by location

31 lists · largest first

Every Energy efficient home upgrade contractors 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 “energy efficient home upgrade contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficient home upgrade contractors are there worldwide?

RevenueBase identified 11,896 company matches for energy efficient home upgrade contractors worldwide as of October 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?

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

Which country has the most energy efficient home upgrade contractors?

The United States leads with 3,086 companies, followed by France (1,683) and the United Kingdom (790). Every energy efficient home upgrade contractors list by country and city is linked on this page.

Which city has the most energy efficient home upgrade contractors?

Paris leads with 80 company records, followed by London (62) and Madrid (45).

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 19,804 professional contacts with verified work emails tracked across these 11,896 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 October 12, 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.