Company lists · Data refreshed October 2026

Top 25 Energy efficient heating contractors based in the United States

Name: Energy efficient heating contractors based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 12, 2026 2,155 companies tracked

RevenueBase identified 2,155 company matches for energy efficient heating contractors associated with the United States as of October 2026 and tracks 14,811 professional contacts across them, including 3,734 with verified work emails. New York is the largest hub.

This list covers company matches for energy efficient heating 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 12, 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 Oct 12, 2026 How this list was built

2,155Companies

14,811Contacts tracked

3,734Verified emails

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The 25 largest energy efficient heating contractors based in the United States

Ranked by team size

Top 25 of 2,155 company matches for energy efficient heating contractors based in the United States, 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	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
2	Boland	Exact match	Gaithersburg, MD, United StatesHQ recorded Oct 12, 2026	201-500	329 contacts →
	Exact match “Boland is the leading commercial HVAC systems, services, and building energy solutions provider in the DC metro area.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
3	Airtron Heating & AIR Conditioning	Exact match	Columbus, OH, United StatesHQ recorded Oct 12, 2026	1,001-5,000	238 contacts →
	Exact match “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
4	Waterfurnace International	Exact match	Fort Wayne, IN, United StatesHQ recorded Oct 12, 2026	201-500	225 contacts →
	Exact match “WaterFurnace International, Inc.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
5	Marshalls INC	Exact match	Lynnwood, WA, United StatesHQ recorded Oct 12, 2026	n/a	179 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
6	Hill York	Exact match	Dania Beach, FL, United StatesHQ recorded Oct 12, 2026	201-500	168 contacts →
	Exact match “Hill York is a full service contractor that offers a full array of energy efficient air-conditioning services from concept to completion, maintenance to repair and everything in…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
7	Trane AIR Conditioning	Exact match	Us, United StatesHQ recorded Oct 12, 2026	1,001-5,000	148 contacts →
	Exact match “Trane, the world leader in creating and sustaining safe, comfortable and energy efficient environments - improves the performance of homes and buildings around the world.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
8	Melink Corporation	Exact match	Milford, OH, United StatesHQ recorded Oct 12, 2026	51-200	131 contacts →
	Exact match “We are a global provider of energy efficiency solutions for commercial buildings with five business offerings: HVAC Testing, Adjusting & Balancing, Intelli-Hood® Kitchen…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
9	Dandelion Energy	Exact match	Mount Kisco, NY, United StatesHQ recorded Oct 12, 2026	51-200	130 contacts →
	Exact match “Dandelion Energy is the nation’s leading residential geothermal provider, on a mission to make the world’s most efficient heating and cooling technology accessible to everyone.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
10	Lawyer Mechanical Services	Exact match	Las Vegas, NV, United StatesHQ recorded Oct 12, 2026	51-200	107 contacts →
	Exact match “Lawyer Mechanical Services (LMS) creates and maintains comfort.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
11	Brightcore Energy	Exact match	Armonk, NY, United StatesHQ recorded Oct 12, 2026	51-200	103 contacts →
	Exact match “Brightcore Energy is a leading renewable energy solutions provider serving commercial, institutional, and government clients.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
12	Encon Heating & A C	Exact match	Stratford, CT, United StatesHQ recorded Oct 12, 2026	201-500	99 contacts →
	Exact match “ENCON Heating & A/C provides engineering, installation, and maintenance of HVAC systems for both commercial and custom residential applications.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
13	Robison	Exact match	Port Chester, NY, United StatesHQ recorded Oct 12, 2026	51-200	90 contacts →
	Exact match “For more than 100 years, Robison has been a staple in Westchester and Putnam counties, servicing nearly homes while earning an A+ from the Better Business Bureau.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
14	Casa Mechanical Services	Exact match	Round Rock, TX, United StatesHQ recorded Oct 12, 2026	51-200	89 contacts →
	Exact match “CASA Mechanical is owned and operated by the W.G.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
15	Microf	Exact match	Roswell, GA, United StatesHQ recorded Oct 12, 2026	51-200	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 12, 2026 · View company records in RevenueBase
16	AIR Mechanical INC	Exact match	Ham Lake, MN, United StatesHQ recorded Oct 12, 2026	51-200	85 contacts →
	Exact match “Creating Custom Comfort since 1985!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
17	HALCO	Exact match	Phelps, NY, United StatesHQ recorded Oct 12, 2026	51-200	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 12, 2026 · View company records in RevenueBase
18	Elitaire	Exact match	Cincinnati, OH, United StatesHQ recorded Oct 12, 2026	11-50	78 contacts →
	Exact match “ElitAire - Technical experts in energy-optimized building solutions.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
19	SEMCO	Exact match	Birmingham, AL, United StatesHQ recorded Oct 12, 2026	n/a	70 contacts →
	Exact match “If your business is interested in cutting energy costs and securing little known incentives to help fund initial project costs, SEMCO can help you.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
20	Alpine Home AIR	Exact match	Chicago, IL, United StatesHQ recorded Oct 12, 2026	51-200	68 contacts →
	Exact match “Founded in 2002, Alpine is a team of forward-thinking innovators working to provide intelligent heating and cooling solutions to homeowners in a way that:* Leads Americans away…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
21	Cooper Heating, Cooling, Plumbing, & Electrical	Exact match	Broomfield, CO, United StatesHQ recorded Oct 12, 2026	51-200	67 contacts →
	Exact match “A healthy home starts with the air you breathe.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
22	Brennan Heating & AIR Conditioning	Exact match	Seattle, WA, United StatesHQ recorded Oct 12, 2026	201-500	64 contacts →
	Exact match “Since 1987, Brennan Heating & Air Conditioning has served tens of thousands of satisfied customers throughout the Puget Sound region.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
23	Gradient	Exact match	San Francisco, CA, United StatesHQ recorded Oct 12, 2026	51-200	61 contacts →
	Exact match “Gradient is transforming home comfort with innovative heat pump technology that reduces carbon emissions without compromising performance.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase
24	Neeeco	Exact match	Wilmington, MA, United StatesHQ recorded Oct 12, 2026	51-200	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 12, 2026 · View company records in RevenueBase
25	Roscoe Brown, INC	Exact match	Murfreesboro, TN, United StatesHQ recorded Oct 12, 2026	51-200	61 contacts →
	Exact match Recorded description not available. 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 heating 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 2,155 energy efficient heating contractors based in the United States

See the full list, filter by size, metro and specialty, and access 3,734 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Energy efficient heating contractors based in the United States at a glance

As of Oct 12, 2026

25.2%Verified-email coverage

6.9Average contacts per company

11-50Median size (employees)

1.1%Largest-city concentration · New York

Oct 12, 2026Page data refreshed

Companies by employee count

1-10

1,056

11-50

872

51-200

179

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 2,155 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 “energy efficient heating 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 3,734 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.

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 heating contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many energy efficient heating contractors are there based in the United States?

RevenueBase identified 2,155 company matches for energy efficient heating 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 energy efficient heating contractors?

New York leads with 24 company records, followed by Houston (22) and San Antonio (15).

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 3,734 professional contacts with verified work emails tracked across these 2,155 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.