Company lists · Data refreshed October 2026
Top 25 Home weatherization contractors based in the United States
RevenueBase identified 934 company matches for home weatherization contractors associated with the United States as of October 2026 and tracks 6,173 professional contacts across them, including 1,452 with verified work emails. Houston is the largest hub.
This list covers company matches for home weatherization contractors 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 October 14, 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.
The 25 largest home weatherization contractors based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 369 contacts → | ||||
Exact match “At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 2 | 179 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 3 | 163 contacts → | ||||
Exact match “For nearly a century, GSM Services has built its reputation on reliability, honesty, expert service, and high-quality workmanship.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 4 | 160 contacts → | ||||
Exact match “Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 5 | 124 contacts → | ||||
Exact match “AEA is a leading nonprofit provider of energy services, an implementer of government and utility energy efficiency programs, and a professional training organization serving the…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 6 | 87 contacts → | ||||
Exact match “Microf was established to accommodate the growing demand for more flexible options surrounding the replacement of a residential heating/cooling system.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 7 | 85 contacts → | ||||
Exact match “Halco is a highly accredited, national award-winning contractor that has been providing high-quality solutions to residential and commercial clients since 1984.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 8 | 61 contacts → | ||||
Exact match “helps Massachusetts residents reduce energy consumption and costs, and increase comfort in their homes.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 9 | 57 contacts → | ||||
Exact match “Air Conditioning and Heating - residential and commercial contractor for new construction, retrofit, and servicing.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 10 | 56 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 · Oct 14, 2026 · View company records in RevenueBase | |||||
| 11 | 55 contacts → | ||||
Exact match “Sealed is a climate tech company on a mission to stop home energy waste by enabling contractors to install more home weatherization and electrification projects and grow their…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 12 | 50 contacts → | ||||
Exact match “Red River Roofing, Siding & Windows was founded in Since then we have grown to over 50 full time employees with a fleet of over 35 service trucks.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 13 | 49 contacts → | ||||
Exact match “Formerly BantamWesson, Valiant Energy Solutions is an energy solutions provider that enables homeowners and organizations to achieve significant energy and cost savings.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 14 | 49 contacts → | ||||
Exact match “ECM is one of the nation’s leading providers of energy efficiency retrofit technologies.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 15 | 45 contacts → | ||||
Exact match “HVAC, Plumbing, Insulation, Weatherization.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 16 | 41 contacts → | ||||
Exact match “Headquartered in Charleston, SC, and serving the East Coast of the US, Energy One America is committed to providing you with cutting edge energy saving upgrades coupled with an…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 17 | 40 contacts → | ||||
Exact match “Since 2013, Performance Insulation & Energy Services has been offering cost-effective insulation, weatherization, and energy services to builders in the Pacific Northwest.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 18 | 40 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 · Oct 14, 2026 · View company records in RevenueBase | |||||
| 19 | 38 contacts → | ||||
Exact match “EDGE Energy is a vertically integrated solar, home performance, and electrification company serving homeowners across the Mid-Atlantic.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 20 | 37 contacts → | ||||
Exact match “Saving energy not only saves you money, but it also helps protect our planet's resources for generations to come.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 21 | 33 contacts → | ||||
Exact match “Dr.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 22 | 32 contacts → | ||||
Exact match “Since 1982, H.A.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 23 | 32 contacts → | ||||
Exact match “Building Energy is a comprehensive energy services company serving Vermont.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 24 | 30 contacts → | ||||
Exact match “At ZERODRAFT we specialize in cutting edge treatments to improve energy efficiency, lower utility costs, and increase home comfort.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase | |||||
| 25 | 29 contacts → | ||||
Exact match “Greenlink Energy Solutions is headquartered in Rockford, Illinois and serves clients nationwide.” Recorded in the RevenueBase company graph · Oct 14, 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 “home weatherization 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 934 home weatherization contractors based in the United States
See the full list, filter by size, metro and specialty, and access 1,452 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Home weatherization contractors based in the United States at a glance
As of Oct 14, 2026Companies by employee count
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 934 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 “home weatherization 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. 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 1,452 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 14, 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 “home weatherization contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many home weatherization contractors are there based in the United States?
RevenueBase identified 934 company matches for home weatherization contractors associated with the United States 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?
Homeworks Energy, INC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most home weatherization contractors?
Houston leads with 12 company records, followed by Austin (10) and New York (10).
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 1,452 professional contacts with verified work emails tracked across these 934 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 14, 2026.
Ready to reach these companies? Verified emails and direct dials for all 934 home weatherization contractors based in the United States. Start with a free account, no credit card.
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Home weatherization contractors by geography
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Home weatherization contractors based in Belgium
- Home weatherization contractors based in Canada
- Home weatherization contractors based in France
- Home weatherization contractors based in the Netherlands
- Home weatherization contractors based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 home weatherization contractors based in the United States
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 934 matching company records for home weatherization contractors based in the United States, with 6,173 tracked contacts and 1,452 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 home weatherization contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Homeworks Energy, INChomeworksenergy.com HQ: Medford, MA, United StatesReported employees: 201-500 | Medford, MA, United States | 201-500 | Exact match | 369 contacts → |
“At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 179 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | GSM Servicesgsmsince1927.com HQ: Gastonia, NC, United StatesReported employees: 201-500 | Gastonia, NC, United States | 201-500 | Exact match | 163 contacts → |
“For nearly a century, GSM Services has built its reputation on reliability, honesty, expert service, and high-quality workmanship.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | USA Insulationusainsulation.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 160 contacts → |
“Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Bronx, NY, United StatesReported employees: 51-200 | Bronx, NY, United States | 51-200 | Exact match | 124 contacts → |
“AEA is a leading nonprofit provider of energy services, an implementer of government and utility energy efficiency programs, and a professional training organization serving the…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Microfmicrof.com HQ: Roswell, GA, United StatesReported employees: 51-200 | Roswell, GA, United States | 51-200 | Exact match | 87 contacts → |
“Microf was established to accommodate the growing demand for more flexible options surrounding the replacement of a residential heating/cooling system.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HALCOhalcoenergy.com HQ: Phelps, NY, United StatesReported employees: 51-200 | Phelps, NY, United States | 51-200 | Exact match | 85 contacts → |
“Halco is a highly accredited, national award-winning contractor that has been providing high-quality solutions to residential and commercial clients since 1984.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Neeeconeeeco.com HQ: Wilmington, MA, United StatesReported employees: 51-200 | Wilmington, MA, United States | 51-200 | Exact match | 61 contacts → |
“helps Massachusetts residents reduce energy consumption and costs, and increase comfort in their homes.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SUN Kool AIR Conditioning, INCsunkoolac.com HQ: Wildwood, FL, United StatesReported employees: 201-500 | Wildwood, FL, United States | 201-500 | Exact match | 57 contacts → |
“Air Conditioning and Heating - residential and commercial contractor for new construction, retrofit, and servicing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sierra Pacific Home & Comfort, INCsierrapacifichome.com HQ: Rancho Cordova, CA, United StatesReported employees: 51-200 | Rancho Cordova, CA, United States | 51-200 | Exact match | 56 contacts → |
“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 description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Sealedsealed.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 55 contacts → |
“Sealed is a climate tech company on a mission to stop home energy waste by enabling contractors to install more home weatherization and electrification projects and grow their…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  RED River Roofing Siding & Windowsredriveroklahoma.comHQ: Edmond, OK, United StatesReported employees: 51-200 | Edmond, OK, United States | 51-200 | Exact match | 50 contacts → |
“Red River Roofing, Siding & Windows was founded in Since then we have grown to over 50 full time employees with a fleet of over 35 service trucks.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Valiant Home & Energyvaliantenergy.com HQ: Waterbury, CT, United StatesReported employees: 201-500 | Waterbury, CT, United States | 201-500 | Exact match | 49 contacts → |
“Formerly BantamWesson, Valiant Energy Solutions is an energy solutions provider that enables homeowners and organizations to achieve significant energy and cost savings.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  ECM Holding Group, INCecmholdinggroup.comHQ: Oshkosh, WI, United StatesReported employees: 201-500 | Oshkosh, WI, United States | 201-500 | Exact match | 49 contacts → |
“ECM is one of the nation’s leading providers of energy efficiency retrofit technologies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Quality Conservation Servicesqcsca.com HQ: Montclair, CA, United StatesReported employees: 201-500 | Montclair, CA, United States | 201-500 | Exact match | 45 contacts → |
“HVAC, Plumbing, Insulation, Weatherization.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Energy ONE Americaenergyoneamerica.com HQ: Charleston, SC, United StatesReported employees: 51-200 | Charleston, SC, United States | 51-200 | Exact match | 41 contacts → |
“Headquartered in Charleston, SC, and serving the East Coast of the US, Energy One America is committed to providing you with cutting edge energy saving upgrades coupled with an…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Performance Insulation Energy Services, INCperforminsulation.com HQ: Tigard, OR, United StatesReported employees: 51-200 | Tigard, OR, United States | 51-200 | Exact match | 40 contacts → |
“Since 2013, Performance Insulation & Energy Services has been offering cost-effective insulation, weatherization, and energy services to builders in the Pacific Northwest.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Endless Energygoendlessenergy.com HQ: Marlborough, MA, United StatesReported employees: 51-200 | Marlborough, MA, United States | 51-200 | Exact match | 40 contacts → |
“Endless Energy is a locally owned energy efficiency and HVAC company with over 40 years of service to our community.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Edge Energyedge-gogreen.com HQ: Beltsville, MD, United StatesReported employees: 51-200 | Beltsville, MD, United States | 51-200 | Exact match | 38 contacts → |
“EDGE Energy is a vertically integrated solar, home performance, and electrification company serving homeowners across the Mid-Atlantic.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Zero Energy Contractingzeroenergyco.comHQ: Cerritos, CA, United StatesReported employees: 51-200 | Cerritos, CA, United States | 51-200 | Exact match | 37 contacts → |
“Saving energy not only saves you money, but it also helps protect our planet's resources for generations to come.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Dr. Energy Saverdrenergysaver.com HQ: Seymour, CT, United StatesReported employees: 11-50 | Seymour, CT, United States | 11-50 | Exact match | 33 contacts → |
“Dr.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | H. A. SUN Heating & Cooling, INCsunheating.com HQ: Bloomfield Hills, MI, United StatesReported employees: 51-200 | Bloomfield Hills, MI, United States | 51-200 | Exact match | 32 contacts → |
“Since 1982, H.A.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Building Energybuildingenergyvt.com HQ: Williston, VT, United StatesReported employees: 11-50 | Williston, VT, United States | 11-50 | Exact match | 32 contacts → |
“Building Energy is a comprehensive energy services company serving Vermont.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Zerodraftgetzerodraft.com HQ: Syracuse, NY, United StatesReported employees: 11-50 | Syracuse, NY, United States | 11-50 | Exact match | 30 contacts → |
“At ZERODRAFT we specialize in cutting edge treatments to improve energy efficiency, lower utility costs, and increase home comfort.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Greenlink Energy Solutionsusgreenlink.com HQ: Rockford, IL, United StatesReported employees: 51-200 | Rockford, IL, United States | 51-200 | Exact match | 29 contacts → |
“Greenlink Energy Solutions is headquartered in Rockford, Illinois and serves clients nationwide.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 934 company matches
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Home weatherization contractors: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
927 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 934 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for home weatherization contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many home weatherization contractors did RevenueBase find based in the United States?
The saved snapshot records 934 matching company records, 6,173 tracked contacts and 1,452 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Home weatherization contractors by geography
Cite this list
RevenueBase Data Team. Top 25 home weatherization contractors based in the United States. Snapshot: October 14, 2026. https://revenuebase.ai/companies/home-weatherization-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Home weatherization contractors based in Belgium
- Home weatherization contractors based in Canada
- Home weatherization contractors based in France
- Home weatherization contractors based in the Netherlands
- Home weatherization contractors based in the United Kingdom
- AI companies based in the United States
Company intelligence · public preview
Top 25 home weatherization contractors based in the United States
RevenueBase records 934 matching company records for home weatherization contractors based in the United States, with 6,173 tracked contacts and 1,452 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 14, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 home weatherization contractors based in the United States
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Homeworks Energy, INChomeworksenergy.com HQ: Medford, MA, United StatesReported employees: 201-500 | Medford, MA, United States | 201-500 | Exact match | 369 contacts → |
“At HomeWorks Energy, our mission is simple, literally: Energy Efficiency, Simplified.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Marshalls INCmarshallsinc.com HQ: Lynnwood, WA, United StatesReported employees: Not recorded | Lynnwood, WA, United States | Not recorded | Exact match | 179 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 3 | GSM Servicesgsmsince1927.com HQ: Gastonia, NC, United StatesReported employees: 201-500 | Gastonia, NC, United States | 201-500 | Exact match | 163 contacts → |
“For nearly a century, GSM Services has built its reputation on reliability, honesty, expert service, and high-quality workmanship.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | USA Insulationusainsulation.com HQ: Cleveland, OH, United StatesReported employees: 51-200 | Cleveland, OH, United States | 51-200 | Exact match | 160 contacts → |
“Established in 1977 and incorporated in 1985, USA Insulation has saved thousands of customers millions of dollars on their heating and air conditioning bills.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Bronx, NY, United StatesReported employees: 51-200 | Bronx, NY, United States | 51-200 | Exact match | 124 contacts → |
“AEA is a leading nonprofit provider of energy services, an implementer of government and utility energy efficiency programs, and a professional training organization serving the…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Microfmicrof.com HQ: Roswell, GA, United StatesReported employees: 51-200 | Roswell, GA, United States | 51-200 | Exact match | 87 contacts → |
“Microf was established to accommodate the growing demand for more flexible options surrounding the replacement of a residential heating/cooling system.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HALCOhalcoenergy.com HQ: Phelps, NY, United StatesReported employees: 51-200 | Phelps, NY, United States | 51-200 | Exact match | 85 contacts → |
“Halco is a highly accredited, national award-winning contractor that has been providing high-quality solutions to residential and commercial clients since 1984.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Neeeconeeeco.com HQ: Wilmington, MA, United StatesReported employees: 51-200 | Wilmington, MA, United States | 51-200 | Exact match | 61 contacts → |
“helps Massachusetts residents reduce energy consumption and costs, and increase comfort in their homes.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | SUN Kool AIR Conditioning, INCsunkoolac.com HQ: Wildwood, FL, United StatesReported employees: 201-500 | Wildwood, FL, United States | 201-500 | Exact match | 57 contacts → |
“Air Conditioning and Heating - residential and commercial contractor for new construction, retrofit, and servicing.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Sierra Pacific Home & Comfort, INCsierrapacifichome.com HQ: Rancho Cordova, CA, United StatesReported employees: 51-200 | Rancho Cordova, CA, United States | 51-200 | Exact match | 56 contacts → |
“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 description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Sealedsealed.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 55 contacts → |
“Sealed is a climate tech company on a mission to stop home energy waste by enabling contractors to install more home weatherization and electrification projects and grow their…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | RED River Roofing Siding & Windowsredriveroklahoma.com HQ: Edmond, OK, United StatesReported employees: 51-200 | Edmond, OK, United States | 51-200 | Exact match | 50 contacts → |
“Red River Roofing, Siding & Windows was founded in Since then we have grown to over 50 full time employees with a fleet of over 35 service trucks.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Valiant Home & Energyvaliantenergy.com HQ: Waterbury, CT, United StatesReported employees: 201-500 | Waterbury, CT, United States | 201-500 | Exact match | 49 contacts → |
“Formerly BantamWesson, Valiant Energy Solutions is an energy solutions provider that enables homeowners and organizations to achieve significant energy and cost savings.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | ECM Holding Group, INCecmholdinggroup.com HQ: Oshkosh, WI, United StatesReported employees: 201-500 | Oshkosh, WI, United States | 201-500 | Exact match | 49 contacts → |
“ECM is one of the nation’s leading providers of energy efficiency retrofit technologies.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Quality Conservation Servicesqcsca.com HQ: Montclair, CA, United StatesReported employees: 201-500 | Montclair, CA, United States | 201-500 | Exact match | 45 contacts → |
“HVAC, Plumbing, Insulation, Weatherization.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Energy ONE Americaenergyoneamerica.com HQ: Charleston, SC, United StatesReported employees: 51-200 | Charleston, SC, United States | 51-200 | Exact match | 41 contacts → |
“Headquartered in Charleston, SC, and serving the East Coast of the US, Energy One America is committed to providing you with cutting edge energy saving upgrades coupled with an…” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Performance Insulation Energy Services, INCperforminsulation.com HQ: Tigard, OR, United StatesReported employees: 51-200 | Tigard, OR, United States | 51-200 | Exact match | 40 contacts → |
“Since 2013, Performance Insulation & Energy Services has been offering cost-effective insulation, weatherization, and energy services to builders in the Pacific Northwest.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Endless Energygoendlessenergy.com HQ: Marlborough, MA, United StatesReported employees: 51-200 | Marlborough, MA, United States | 51-200 | Exact match | 40 contacts → |
“Endless Energy is a locally owned energy efficiency and HVAC company with over 40 years of service to our community.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Edge Energyedge-gogreen.com HQ: Beltsville, MD, United StatesReported employees: 51-200 | Beltsville, MD, United States | 51-200 | Exact match | 38 contacts → |
“EDGE Energy is a vertically integrated solar, home performance, and electrification company serving homeowners across the Mid-Atlantic.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Zero Energy Contractingzeroenergyco.com HQ: Cerritos, CA, United StatesReported employees: 51-200 | Cerritos, CA, United States | 51-200 | Exact match | 37 contacts → |
“Saving energy not only saves you money, but it also helps protect our planet's resources for generations to come.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Dr. Energy Saverdrenergysaver.com HQ: Seymour, CT, United StatesReported employees: 11-50 | Seymour, CT, United States | 11-50 | Exact match | 33 contacts → |
“Dr.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | H. A. SUN Heating & Cooling, INCsunheating.com HQ: Bloomfield Hills, MI, United StatesReported employees: 51-200 | Bloomfield Hills, MI, United States | 51-200 | Exact match | 32 contacts → |
“Since 1982, H.A.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Building Energybuildingenergyvt.com HQ: Williston, VT, United StatesReported employees: 11-50 | Williston, VT, United States | 11-50 | Exact match | 32 contacts → |
“Building Energy is a comprehensive energy services company serving Vermont.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Zerodraftgetzerodraft.com HQ: Syracuse, NY, United StatesReported employees: 11-50 | Syracuse, NY, United States | 11-50 | Exact match | 30 contacts → |
“At ZERODRAFT we specialize in cutting edge treatments to improve energy efficiency, lower utility costs, and increase home comfort.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Greenlink Energy Solutionsusgreenlink.com HQ: Rockford, IL, United StatesReported employees: 51-200 | Rockford, IL, United States | 51-200 | Exact match | 29 contacts → |
“Greenlink Energy Solutions is headquartered in Rockford, Illinois and serves clients nationwide.” Recorded description excerpt · October 14, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 934 company matches
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Home weatherization contractors: dataset insights
October 14, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
927 records in the displayed employee bands.
7 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 934 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 14, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for home weatherization contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many home weatherization contractors did RevenueBase find based in the United States?
The saved snapshot records 934 matching company records, 6,173 tracked contacts and 1,452 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 14, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Home weatherization contractors by geography
Cite this list
RevenueBase Data Team. Top 25 home weatherization contractors based in the United States. Snapshot: October 14, 2026. https://revenuebase.ai/companies/home-weatherization-contractors/united-states.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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