Company lists · Data refreshed September 2026

Top 25 Hvac monitoring companies based in the United States

Name: Hvac monitoring 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 4,768 companies tracked

RevenueBase identified 4,768 hvac monitoring companies headquartered in the United States as of September 2026 and tracks 39,986 professional contacts across them, including 13,690 with verified work emails. New York is the largest hub.

This list covers hvac monitoring companies headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review

4,768Companies

39,986Contacts tracked

13,690Verified emails

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The 25 largest hvac monitoring companies based in the United States

Ranked by team size

Top 25 of 4,768 hvac monitoring companies based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to hvac monitoring companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Albireo Energy	Indirect evidence	Edison, NJ, United StatesHQ checked Sep 20, 2026	1,001-5,000	669 contacts →
	Indirect evidence “Albireo Energy is a leading independent building controls and energy services provider recognized by customers for creating intelligent, high-performance buildings.” Source: RevenueBase Database · checked Sep 20, 2026
2	Texas Airsystems	Partial evidence	Irving, TX, United StatesHQ checked Sep 20, 2026	201-500	523 contacts →
	Partial evidence “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…” Source: RevenueBase Database · checked Sep 20, 2026
3	Long Building Technologies	Indirect evidence	Littleton, CO, United StatesHQ checked Sep 20, 2026	501-1,000	453 contacts →
	Indirect evidence “Since 1965, LONG has been in the business of building performance; making them automated, efficient, green, and safe.” Source: RevenueBase Database · checked Sep 20, 2026
4	Hoffman & Hoffman, INC	Indirect evidence	Greensboro, NC, United StatesHQ checked Sep 20, 2026	1,001-5,000	445 contacts →
	Indirect evidence “Since 1947, Hoffman & Hoffman, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
5	Brady Services	Indirect evidence	Greensboro, NC, United StatesHQ checked Sep 20, 2026	501-1,000	340 contacts →
	Indirect evidence “Since 1962, Brady has been committed to delivering innovative, sustainable building solutions that drive long-term success for our customers.” Source: RevenueBase Database · checked Sep 20, 2026
6	Lennox National Account Services	Partial evidence	Fort Lauderdale, FL, United StatesHQ checked Sep 20, 2026	10001+	338 contacts →
	Partial evidence “Lennox National Account Services (Lennox NAS) is the leading HVAC commercial service company with technicians located nationwide.” Source: RevenueBase Database · checked Sep 20, 2026
7	Havtech	Partial evidence	Columbia, MD, United StatesHQ checked Sep 20, 2026	201-500	333 contacts →
	Partial evidence “Havtech delivers innovative commercial and industrial HVAC solutions across Maryland, Washington, D.C, Virginia, Pennsylvania, and West Virginia.” Source: RevenueBase Database · checked Sep 20, 2026
8	Boland	Partial evidence	Gaithersburg, MD, United StatesHQ checked Sep 20, 2026	201-500	323 contacts →
	Partial evidence “Boland is the leading commercial HVAC systems, services, and building energy solutions provider in the DC metro area.” Source: RevenueBase Database · checked Sep 20, 2026
9	BFC Solutions	Partial evidence	Nashville, TN, United StatesHQ checked Sep 20, 2026	501-1,000	241 contacts →
	Partial evidence “BFC Solutions is the leader in essential HVAC services for commercial multi-site facilities and chains nationwide.” Source: RevenueBase Database · checked Sep 20, 2026
10	Tolin Mechanical Systems	Partial evidence	Denver, CO, United StatesHQ checked Sep 20, 2026	201-500	220 contacts →
	Partial evidence “Tolin Mechanical is a Leading Energy & Commercial HVAC Services Company.” Source: RevenueBase Database · checked Sep 20, 2026
11	Airtron Heating & AIR Conditioning	Partial evidence	Columbus, OH, United StatesHQ checked Sep 20, 2026	1,001-5,000	214 contacts →
	Partial evidence “Airtron has developed itself into one of the leading heating, ventilation, and air conditioning (HVAC) providers.” Source: RevenueBase Database · checked Sep 20, 2026
12	Energy Air, INC	Indirect evidence	Orlando, FL, United StatesHQ checked Sep 20, 2026	201-500	213 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026
13	Gardiner	Indirect evidence	Solon, OH, United StatesHQ checked Sep 20, 2026	201-500	205 contacts →
	Indirect evidence “At Gardiner, we've gotten used to clients being shocked by everything we can do to improve a building.” Source: RevenueBase Database · checked Sep 20, 2026
14	Isaac Heating And AIR Conditioning	Indirect evidence	Rochester, NY, United StatesHQ checked Sep 20, 2026	501-1,000	196 contacts →
	Indirect evidence “Isaac Heating and Air Conditioning has been family-owned and operated in Rochester since 1945.” Source: RevenueBase Database · checked Sep 20, 2026
15	Haynes Mechanical Systems	Indirect evidence	Greenwood Village, CO, United StatesHQ checked Sep 20, 2026	201-500	190 contacts →
	Indirect evidence “Haynes Mechanical Systems has been keeping commercial buildings running strong since 1968.” Source: RevenueBase Database · checked Sep 20, 2026
16	US AIR Conditioning Distributors	Indirect evidence	City Of Industry, CA, United StatesHQ checked Sep 20, 2026	201-500	183 contacts →
	Indirect evidence “US Air Conditioning Distributors, Inc.” Source: RevenueBase Database · checked Sep 20, 2026
17	Maxair Mechanical	Indirect evidence	Marietta, GA, United StatesHQ checked Sep 20, 2026	201-500	183 contacts →
	Indirect evidence “MAXAIR Mechanical, founded in 1988, is a people first company.” Source: RevenueBase Database · checked Sep 20, 2026
18	Emcor Services Aircond	Partial evidence	Smyrna, GA, United StatesHQ checked Sep 20, 2026	201-500	178 contacts →
	Partial evidence “Backed by 80 years of experience, the more than 300 associates at EMCOR Services Aircond design and deliver comprehensive, timely, and cost effective HVAC and building system…” Source: RevenueBase Database · checked Sep 20, 2026
19	Fidelity Building Services Group	Partial evidence	Hunt Valley, MD, United StatesHQ checked Sep 20, 2026	1,001-5,000	171 contacts →
	Partial evidence “Fidelity Building Services Group (Fidelity) is one of the nation’s leading providers of HVAC/Mechanical Services, Building Automation, Emergency Power, and Energy Solutions…” Source: RevenueBase Database · checked Sep 20, 2026
20	American Mechanical Services	Partial evidence	Laurel, MD, United StatesHQ checked Sep 20, 2026	501-1,000	169 contacts →
	Partial evidence “AMS is one of the nation’s leading providers of commercial heating, ventilation, and air conditioning (HVAC) maintenance, repair, replacement, and new equipment installation.” Source: RevenueBase Database · checked Sep 20, 2026
21	Syserco, INC	Indirect evidence	Fremont, CA, United StatesHQ checked Sep 20, 2026	51-200	164 contacts →
	Indirect evidence “Syserco is an industry leader delivering Energy Management Solutions and Services to commercial and industrial facilities ranging from K-12 Schools, to High Rises, to…” Source: RevenueBase Database · checked Sep 20, 2026
22	Trane AIR Conditioning	Indirect evidence	Us, United StatesHQ checked Sep 20, 2026	1,001-5,000	164 contacts →
	Indirect evidence “Trane, the world leader in creating and sustaining safe, comfortable and energy efficient environments - improves the performance of homes and buildings around the world.” Source: RevenueBase Database · checked Sep 20, 2026
23	Engineered Cooling Services	Partial evidence	Pensacola, FL, United StatesHQ checked Sep 20, 2026	201-500	160 contacts →
	Partial evidence “Engineered Cooling Services is the Southeast’s leading energy and HVAC services company headquartered in Pensacola, FL with local offices in Mobile, Montgomery, Birmingham…” Source: RevenueBase Database · checked Sep 20, 2026
24	Premistar	Partial evidence	Deerfield, IL, United StatesHQ checked Sep 20, 2026	1,001-5,000	159 contacts →
	Partial evidence “PremiStar, formerly Reedy Industries, operates a footprint of 52 commercial HVAC, building automation and plumbing branches across 16 states.” Source: RevenueBase Database · checked Sep 20, 2026
25	Motili	Partial evidence	Denver, CO, United StatesHQ checked Sep 20, 2026	51-200	135 contacts →
	Partial evidence “Motili offers scalable turnkey HVAC technology, products, and solutions for residential and commercial properties large and small, across the United States.” Source: RevenueBase Database · checked Sep 20, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: hvac monitoring companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names hvac monitoring companies.
Partial evidence: Its own public description names part of hvac monitoring companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name hvac monitoring companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 4,768 hvac monitoring companies based in the United States

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Hvac monitoring companies based in the United States at a glance

As of Sep 20, 2026

34.2%Verified-email coverage

8.4Average contacts per company

1-10Median size (employees)

1.4%Largest-city concentration · New York

Sep 20, 2026Page data refreshed

Companies by employee count

1-10

2,391

11-50

1,772

51-200

455

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 4,768 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among hvac monitoring companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in the United States whose own description of what they do matches “hvac monitoring companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names hvac monitoring companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among hvac monitoring companies, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 13,690 across the full list. 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.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Hvac monitoring companies by metro

Hvac monitoring companies in New York69
Hvac monitoring companies in Houston66
Hvac monitoring companies in San Antonio34
Hvac monitoring companies in Austin32
Hvac monitoring companies in Charlotte30
Hvac monitoring companies in Phoenix30
Hvac monitoring companies in Jacksonville29
Hvac monitoring companies in Dallas28
Hvac monitoring companies in Las Vegas27
Hvac monitoring companies in Miami27
Hvac monitoring companies in Tampa26

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names hvac monitoring companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

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

RevenueBase identified 4,768 hvac monitoring companies headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Albireo Energy, headquartered in Edison, tops this list with the largest team on record.

Which city has the most hvac monitoring companies?

New York leads with 69 headquartered companies, followed by Houston (66) and San Antonio (34).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 13,690 verified decision-maker contacts tracked across these 4,768 companies.

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 Smart Search, 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.