Company lists · Data refreshed September 2026

Top 25 Residential energy efficiency companies based in Houston, United States

Name: Residential energy efficiency companies based in Houston, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 72 companies tracked

RevenueBase identified 72 company matches for residential energy efficiency companies associated with Houston, United States as of September 2026 and tracks 1,787 professional contacts across them, including 432 with verified work emails. Across the United States, Houston is the largest hub for this category.

This list covers company matches for residential energy efficiency companies associated with Houston, 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 September 17, 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 Sep 17, 2026 How this list was built

72Companies

1,787Contacts tracked

432Verified emails

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The 25 largest residential energy efficiency companies based in Houston, United States

Ranked by team size

Top 25 of 72 company matches for residential energy efficiency companies based in Houston, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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	Sunnova Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	906 contacts →
	Exact match “Sunnova Energy International Inc.(NYSE: NOVA) is an industry-leading energy services company focused on making clean energy more accessible, reliable, and affordable for…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	Arcxis	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	501-1,000	389 contacts →
	Exact match “ARCXIS (Formerly DPIS Builder Services), is the largest provider of HERS inspections, ENERGY STAR ratings, engineering and design, construction quality assurance and other builder…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	Fastrac Energy Services	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	45 contacts →
	Exact match “At FASTRAC Energy Services, we specialize in providing comprehensive solar energy solutions that help homeowners and businesses save on energy costs while contributing to a their…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Bioeco Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	24 contacts →
	Exact match “Bioeco Energy’s alternative energy solutions capture the renewable power of the sun, fueling new possibilities for your business and home.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
5	Sunshine Renewable Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	21 contacts →
	Exact match “Texas' first NABCEP Accredited PV Installation Company • NABCEP Certified PV Installation Professional # PV-102117-017952 Sunshine Renewable Solutions was established to address…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Zolarzo	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	51-200	19 contacts →
	Exact match “We are a company specialized in the installation of solar energy systems and roof replacement.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	GATBY	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	17 contacts →
	Exact match “We are a tech-forward residential energy broker helping consumers, both renters and homeowners, lower their energy bills through affordable and reliable energy plans and products…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
8	J&h Energy Consultants	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “As a premier energy consulting firm based in Houston, we understand the unique energy challenges that homeowners and businesses face.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Texon Solar Energy LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	14 contacts →
	Exact match “Texon Solar has you covered!” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Energy Edge Consulting	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	13 contacts →
	Exact match “Energy Edge offers strategic energy management and renewable energy solutions to a wide range of businesses and institutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	Inovues	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	12 contacts →
	Exact match “INOVUES is re-energizing building facades and windows without replacement, enabling building owners to cut energy loss, reduce carbon emissions, improve occupant comfort, and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	KEY HTX	Exact match	Houston, United StatesHQ recorded Sep 17, 2026	1-10	10 contacts →
	Exact match “At our core we are an energy-efficiency driven, general services company.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Hage Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “Hage Energy is a Houston-based HVAC and home performance company specializing in residential and light-commercial air conditioning, heating, and energy-efficiency solutions across…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Hita Technology INC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	6 contacts →
	Exact match “We are a group highly experienced professionals provide services of Energy Audit, Energy Saving & Storage solutions, Energy management, Power Electronics and Renewable Energy…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Creatum Solar	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	4 contacts →
	Exact match “At Creatum Solar, we're on a mission to harness the boundless power of the sun and make it accessible to you.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
16	Utility Rescue Holdings, INC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Utility Rescue Holdings, Inc, is a diversified energy and financial technology company offering homes and businesses innovative ways to effectively lower their monthly spending on…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Solenergy LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “SolEnergy provides full service assistance in moving your home or business toward the future of clean renewable energy solutions.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Exceledy Technologies LLC	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “Energy Efficiency and Management Company” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Smart Solutions Enterprise	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	3 contacts →
	Exact match “We are a Houston-based solar industry leader, founded in 2019 with a passion for clean energy and a commitment to excellence.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	4ward Energy Solutions	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	3 contacts →
	Exact match “4WARD Energy Solutions is a national energy management and consulting firm, with its headquarters in Houston.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Save Watts CO	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	1 contacts →
	Exact match “We provide expertise in energy usage saving on utility bills, increasing your overall portfolio value and operational performance.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Solityx Energy	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	1 contacts →
	Exact match “Solityx is at the forefront of revolutionizing the renewable energy landscape, specializing in solar energy solutions that merge innovation with sustainability.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
23	Helix SUN	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	11-50	1 contacts →
	Exact match “Helix Sun is a residential and commercial solar development company located in Houston, Texas.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	DM Solar Group	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “At DM Solar Group, we are dedicated to revolutionizing the way businesses harness energy by providing tailored commercial solar solutions that maximize savings and promote…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	Starfish Electric	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	1-10	1 contacts →
	Exact match “Starfish Electric designs, installs, and operates offgrid clean energy systems for homes.” Recorded in the RevenueBase company graph · Sep 17, 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 “residential energy efficiency companies”. 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 72 residential energy efficiency companies based in Houston, United States

See the full list, filter by size, metro and specialty, and access 432 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Residential energy efficiency companies based in Houston, United States at a glance

As of Sep 17, 2026

24.2%Verified-email coverage

24.8Average contacts per company

11-50Median size (employees)

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole United States list rather than for Houston, so it is reported there. Company counts and contact totals on this page are exact for Houston, over 72 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 Houston, United States whose business descriptions match “residential energy efficiency companies” 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 432 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 September 17, 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.

Residential energy efficiency companies by metro in the United States

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 “residential energy efficiency companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many residential energy efficiency companies are there based in Houston, United States?

RevenueBase identified 72 company matches for residential energy efficiency companies associated with Houston, United States as of September 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?

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

Which city in the United States has the most residential energy efficiency companies?

Houston leads the United States with 72 company records, followed by New York (69) and Austin (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 432 professional contacts with verified work emails tracked across these 72 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 September 17, 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.