Company lists · Data refreshed September 2026

Top 25 Hvac maintenance service companies based in the United States

Name: Hvac maintenance service companies based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 20, 2026 13,444 companies tracked

RevenueBase identified 13,444 company matches for hvac maintenance service companies associated with the United States as of September 2026 and tracks 121,135 professional contacts across them, including 36,053 with verified work emails. Houston is the largest hub.

This list covers company matches for hvac maintenance service companies 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 September 20, 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 20, 2026 How this list was built

13,444Companies

121,135Contacts tracked

36,053Verified emails

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The 25 largest hvac maintenance service companies based in the United States

Ranked by team size

Top 25 of 13,444 company matches for hvac maintenance service companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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	American Residential Services	Exact match	Memphis, TN, United StatesHQ recorded Sep 20, 2026	5,001-10,000	1,882 contacts →
	Exact match “American Residential Services (ARS®/Rescue Rooter®) is one of the nation’s largest providers of heating, air conditioning, indoor air quality, plumbing, drain cleaning…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2	Service Experts	Exact match	Richardson, TX, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,502 contacts →
	Exact match “Service Experts is North America's leading HVAC, Plumbing & Electrical company with 75+ locations nationwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3	Comfort Systems USA	Exact match	Houston, TX, United StatesHQ recorded Sep 20, 2026	10001+	1,330 contacts →
	Exact match “Comfort Systems USA \| Quality People.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4	LEE Company	Exact match	Franklin, TN, United StatesHQ recorded Sep 20, 2026	1,001-5,000	1,019 contacts →
	Exact match “Since 1944, we’ve been family-owned and family-focused, built on values that last and a mission that matters.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5	Climate Pros, LLC	Exact match	Glendale Heights, IL, United StatesHQ recorded Sep 20, 2026	1,001-5,000	554 contacts →
	Exact match “At Climate Pros, LLC, we are a leading commercial refrigeration and HVAC company specializing in the design, construction, and servicing of refrigeration systems across thousands…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6	Deem, LLC	Exact match	Indianapolis, IN, United StatesHQ recorded Sep 20, 2026	1,001-5,000	539 contacts →
	Exact match “DEEM, LLC is a mechanical and electrical company centrally located in Fishers, Indiana with satellite offices throughout the Midwest down to the southeastern United States.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7	ONE Hour Heating & AIR Conditioning	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 20, 2026	1,001-5,000	526 contacts →
	Exact match “When homeowners want a reliable heater or air conditioning system that they don’t have to think about, they call One Hour Heating & Air Conditioning.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8	Texas Airsystems	Exact match	Irving, TX, United StatesHQ recorded Sep 20, 2026	201-500	523 contacts →
	Exact match “In business for over 45 years, Texas AirSystems has grown to be recognized as one of the premier partners for commercial HVAC solutions in Texas, boasting over 500 associates…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9	Horizon Services, LLC	Exact match	Wilmington, DE, United StatesHQ recorded Sep 20, 2026	501-1,000	448 contacts →
	Exact match “Horizon Services is the premier heating, air conditioning, plumbing, drain cleaning and sewer services company in Delaware (New Castle County & Kent County), Pennsylvania…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10	Hoffman & Hoffman, INC	Exact match	Greensboro, NC, United StatesHQ recorded Sep 20, 2026	1,001-5,000	445 contacts →
	Exact match “Since 1947, Hoffman & Hoffman, Inc.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11	Source Refrigeration & Hvac	Exact match	Brea, CA, United StatesHQ recorded Sep 20, 2026	1,001-5,000	420 contacts →
	Exact match “For up-to-date information, please see the CoolSys profile page.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12	John W. Danforth Company	Exact match	Tonawanda, NY, United StatesHQ recorded Sep 20, 2026	501-1,000	415 contacts →
	Exact match “We are powered by the best people in the industry.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13	Strada Services	Exact match	Sanford, FL, United StatesHQ recorded Sep 20, 2026	1,001-5,000	391 contacts →
	Exact match “Strada Services is a full service electrical, security, and air conditioning contracting company servicing residential, commercial, and industrial customers in Florida and in the…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14	TWC Services, INC	Exact match	Des Moines, IA, United StatesHQ recorded Sep 20, 2026	501-1,000	371 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15	Aire Serv Heating And AIR Conditioning	Exact match	Waco, TX, United StatesHQ recorded Sep 20, 2026	201-500	369 contacts →
	Exact match “For consumer services visit To discover more about franchise opportunities with Aire Serv® in your area visit Established in 1992, Aire Serv® is a global franchise organization…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16	Hiller Plumbing, Heating, Cooling & Electrical	Exact match	Nashville, TN, United StatesHQ recorded Sep 20, 2026	501-1,000	368 contacts →
	Exact match “Hiller provides residential and commercial service and repair throughout Tennessee, Southern Kentucky, Northern Alabama, Southeastern Arkansas, Northeastern Mississippi, Northern…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17	AIR Systems, INC	Exact match	San Jose, CA, United StatesHQ recorded Sep 20, 2026	201-500	348 contacts →
	Exact match “Whether building quality work environments, valuable relationships or community ties, Air Systems never cuts corners.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18	United Mechanical	Exact match	San Jose, CA, United StatesHQ recorded Sep 20, 2026	201-500	346 contacts →
	Exact match “United Mechanical specializes in HVAC and Plumbing systems design, construction, retrofit, repair, and 24/7 emergency service for commercial and industrial properties throughout…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19	Brady Services	Exact match	Greensboro, NC, United StatesHQ recorded Sep 20, 2026	501-1,000	340 contacts →
	Exact match “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20	Lennox National Account Services	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Sep 20, 2026	10001+	338 contacts →
	Exact match “Lennox National Account Services (Lennox NAS) is the leading HVAC commercial service company with technicians located nationwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21	Havtech	Exact match	Columbia, MD, United StatesHQ recorded Sep 20, 2026	201-500	333 contacts →
	Exact match “Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22	Habegger Corporation	Exact match	Cincinnati, OH, United StatesHQ recorded Sep 20, 2026	501-1,000	330 contacts →
	Exact match “The Habegger Corporation \| Complete HVAC Solutions since 1952.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23	Boland	Exact match	Gaithersburg, MD, United StatesHQ recorded Sep 20, 2026	201-500	323 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 · Sep 20, 2026 · View company records in RevenueBase
24	Parker & Sons	Exact match	Phoenix, AZ, United StatesHQ recorded Sep 20, 2026	1,001-5,000	312 contacts →
	Exact match “Providing the Arizona Valley with award-winning service in Heating, Cooling, Plumbing, and Drain Cleaning Service since 1974.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25	CSC	Exact match	Thonotosassa, FL, United StatesHQ recorded Sep 20, 2026	51-200	310 contacts →
	Exact match “CSC is a one stop shop for servicing HVAC, refrigeration, and cooking equipment in McDonald's restaurants.” Recorded in the RevenueBase company graph · Sep 20, 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 “hvac maintenance service 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 13,444 hvac maintenance service companies based in the United States

See the full list, filter by size, metro and specialty, and access 36,053 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac maintenance service companies based in the United States at a glance

As of Sep 20, 2026

29.8%Verified-email coverage

9.0Average contacts per company

11-50Median size (employees)

1.3%Largest-city concentration · Houston

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

6,073

11-50

5,384

51-200

1,508

201-500

222

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 13,444 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 “hvac maintenance service 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 36,053 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 20, 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.

Hvac maintenance service companies by metro

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 “hvac maintenance service companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac maintenance service companies are there based in the United States?

RevenueBase identified 13,444 company matches for hvac maintenance service companies associated with the 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?

American Residential Services tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most hvac maintenance service companies?

Houston leads with 175 company records, followed by New York (135) and San Antonio (101).

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 36,053 professional contacts with verified work emails tracked across these 13,444 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 20, 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.