Company lists · Data refreshed September 2026
Top 25 Hvac training schools worldwide
RevenueBase identified 1,163 hvac training schools worldwide as of September 2026 and tracks 11,423 professional contacts across them, including 1,971 with verified work emails. The United States is the largest market and Phoenix the largest hub.
This list covers hvac training schools worldwide, 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. Country and city lists for hvac training schools follow the table.
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.
The 25 largest hvac training schools worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 412 contacts → | ||||
Partial evidence “Founded in 1931, UAT is the largest Residential HVAC Corporation on the eastern seaboard.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 348 contacts → | ||||
Partial evidence “CET is a widely respected technical education organization known for providing job training skills for some of today’s most in-demand careers such as Green Building Construction…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 277 contacts → | ||||
Indirect evidence “Praktiska Gymnasiet utbildar framtidens medarbetare inom bygg & anläggning, vvs & fastighet, el & energi, fordon & transport, hantverk, restaurang och livsmedel samt vård och…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 263 contacts → | ||||
Partial evidence “Gary Job Corps Center is a vocational school in San Marcos, TX, United States.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 213 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 157 contacts → | ||||
Partial evidence “Western Technical College, is an accredited career school located in El Paso, Texas.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 147 contacts → | ||||
Strong evidence “(New England Tractor Trailer Training School) provides career training for individuals and B2B workforce development services for employers in the transportation and skilled…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 146 contacts → | ||||
Indirect evidence “Vocational Technical Education” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 131 contacts → | ||||
Partial evidence “BCC was founded in 1987 with the goal of becoming one of the most respected and innovative Massage Therapy training centers in the nation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 112 contacts → | ||||
Indirect evidence “Founded in 2007, StrataTech Education Group is a national leader in specialized career education, dedicated to preparing students for high-demand skilled trade careers.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 101 contacts → | ||||
Partial evidence “South Texas Vocational Technical Institute (STVT) has six convenient locations across Texas offering 11 training programs in business, healthcare, skilled trades, and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 99 contacts → | ||||
Indirect evidence “Founded in 1949 by two welders who recognized the strong demand for skilled tradesmen in their industry, TWS is an educational institution that prepares students for welding…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 95 contacts → | ||||
Partial evidence “Appolo Heating is a recognized leader in HVAC installation, service and sales.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 92 contacts → | ||||
Indirect evidence “Nationwide Air Conditioning Limited is a carbon-neutral business that has been exceeding customer expectations since 2001.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 89 contacts → | ||||
Strong evidence “Olympic International is a premier provider of heating, ventilating and air conditioning (HVAC) equipment design, engineering support and training serving Western Canada.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 82 contacts → | ||||
Indirect evidence “Oklahoma Technical College (OTC) is a nonprofit, career-focused college preparing students for meaningful careers in high-demand skilled trades and technical industries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 74 contacts → | ||||
Indirect evidence “Ben je op zoek naar een goede technische opleiding?” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 73 contacts → | ||||
Indirect evidence “Bergstrands startade för att förändra utbildningsbranschen.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 72 contacts → | ||||
Indirect evidence “Anemo Projects Pvt Ltd is a leading service provider in Heating, Ventilation & Air Conditioning sector based at sector 37 Plot No-462, Pace City II, Sector, Gurugram, Haryana…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 70 contacts → | ||||
Indirect evidence “In these turbulent and uncertain economic times, education programs ought to focus on finding graduates a job and eventually a career.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 58 contacts → | ||||
Partial evidence “Air Stream is a leading commercial HVAC corporation, specializing in the perfection of human environments in organizations of all sizes through expert design, installation, and…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 57 contacts → | ||||
Partial evidence “Redstone College was founded in 1965 to offer Airframe and Powerplant training and in 1989 it expanded its curriculum to include Avionics training.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 56 contacts → | ||||
Partial evidence “At National Training Institute we offer career-focused training.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 54 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 53 contacts → | ||||
Indirect evidence “Since 1965, Casto Technical Services, Inc.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
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 training schools. 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 training schools.
- Partial evidence
- Its own public description names part of hvac training schools, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name hvac training schools. 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 1,163 hvac training schools worldwide
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Hvac training schools worldwide at a glance
As of Sep 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
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 training schools, 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.
- Coverage
- Every country. Country and city lists for hvac training schools are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “hvac training schools”. 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 training schools), 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 training schools, and records with no verified work email.
- 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, 1,971 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 training schools by location
6 lists · largest firstEvery Hvac training schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 training schools, 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 training schools are there worldwide?
RevenueBase identified 1,163 hvac training schools worldwide 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?
UAT, headquartered in Worldwide, tops this list with the largest team on record.
Which country has the most hvac training schools?
The United States leads with 503 companies, followed by France (63) and Canada (59). Every hvac training schools list by country and city is linked on this page.
Which city has the most hvac training schools?
Phoenix leads with 14 headquartered companies, followed by Houston (11) and New York (8).
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 1,971 verified decision-maker contacts tracked across these 1,163 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.