Company lists · Data refreshed October 2026

Top 25 Custom hvac system manufacturers based in Toronto, Canada

Name: Custom hvac system manufacturers based in Toronto, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 11, 2026 64 companies tracked

RevenueBase identified 64 company matches for custom hvac system manufacturers associated with Toronto, Canada as of October 2026 and tracks 1,383 professional contacts across them, including 736 with verified work emails. Across Canada, Calgary is the largest hub for this category (66 companies); Toronto follows with 64.

This list covers company matches for custom hvac system manufacturers associated with Toronto, Canada, 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 11, 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 11, 2026 How this list was built

64Companies

1,383Contacts tracked

736Verified emails

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The 25 largest custom hvac system manufacturers based in Toronto, Canada

Ranked by team size

Top 25 of 64 company matches for custom hvac system manufacturers based in Toronto, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 11, 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	HTS Engineering	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	1,001-5,000	733 contacts →
	Exact match “Your success is our success.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
2	Continual Energy INC	Exact match	Toronto, CanadaHQ recorded Oct 11, 2026	51-200	60 contacts →
	Exact match “The team at Continual Energy Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
3	Simply Green Home Services INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	201-500	60 contacts →
	Exact match “Simply Green offers a wide range of options to help you get equipped with reliable, top-quality, high-efficiency heating and cooling systems.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
4	Berg Chilling Systems INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	51-200	56 contacts →
	Exact match “Berg Chilling Systems designs, manufactures, installs and services industrial thermal process control systems for a broad range of industries and specialized applications around…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
5	FLŌ Energy Solutions Inc. By CES	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	51-200	37 contacts →
	Exact match “FLō Energy Solutions, formerly CES, started in 1998 when a local supermarket retailer gave us a humidity problem to solve, and we solved it.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
6	The Aquila Group	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	30 contacts →
	Exact match “The Aquila Group is a mechanical and electrical engineering firm located at 40 University Ave, Toronto, Ontario, Canada.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
7	Xtra Mechanical Limited	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	29 contacts →
	Exact match “Xtra Mechanical Limited is Canada’s leading commercial HVAC provider, offering professional, responsive and safety-driven solutions to the complete product lifecycle, for single…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
8	Scottish GAS Group INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	1-10	27 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
9	Dael Thermal Group INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	51-200	24 contacts →
	Exact match “Complete industrial and commercial solutions: • Combustion • Refrigeration • Chillers • HVAC • Plumbing • Electrical • Turn-key Installations IMMEDIATE SERVICE.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
10	Sigma Heating & Cooling	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	201-500	24 contacts →
	Exact match “Sigma is an HVAC company founded in 1997, serving multiple market sectors.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
11	AIR Heat Supplies	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	17 contacts →
	Exact match “We offer high quality, and reliable heating and cooling systems in Ontario.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
12	The Master Group LE Groupe Master	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	14 contacts →
	Exact match “The Master Group/Le Groupe Master - EFI Concepts, a sales agency serving the heating, ventilating and air conditioning (HVAC) industry, offers quality equipment from many proven…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
13	Thermo Cool Mechanical	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	13 contacts →
	Exact match “Since established in 1983 Thermo Cool Mechanical has been providing heating, air conditioning, and ventilation (HVAC) services all over the Greater Toronto Area.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
14	1click Heating & Cooling	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	51-200	12 contacts →
	Exact match “1Click Heating & Cooling offers a seamless, eco-friendly, and cost-effective solution for all your heating and cooling needs.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
15	PID Controls	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	1-10	8 contacts →
	Exact match “PID Controls specializes in the implementation of customized climate automation solutions for new construction and retrofit projects.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
16	Hydronic Parts Group LTD	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	6 contacts →
	Exact match “At our core we are a commercial HVAC wholesaler.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
17	Canadian Tech AIR Systems INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	6 contacts →
	Exact match “Established in 1979, Canadian Tech Air Systems Inc.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
18	Burban AIR Systems LTD	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
19	Nortown AIR	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	1-10	5 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
20	Cool Check AIR Conditioning LTD	Exact match	Toronto, CanadaHQ recorded Oct 11, 2026	11-50	4 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
21	Cozy Comfort Plus	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	4 contacts →
	Exact match “Cozy Comfort Plus is a heating and air conditioning solution provider.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
22	National Mechanical AIR LTD	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	11-50	3 contacts →
	Exact match “We provide HVAC & R related Mechanical services to businesses and multi-residential buildings throughout the Greater Toronto Area.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
23	Lloyd Hvac Services INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match “At Lloyd HVAC Services we deliver reliable heating, cooling and mechanical solutions for homes and businesses across the Greater Toronto Area.” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
24	Hydronic Systems Canada INC	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	1-10	2 contacts →
	Exact match “HSCI provides sales, distribution, marketing, training and field support for premium brands of heating boilers, controls and accessories for all types of residential and…” Recorded in the RevenueBase company graph · Oct 11, 2026 · View company records in RevenueBase
25	Northern AIR Environmental	Exact match	Toronto, ON, CanadaHQ recorded Oct 11, 2026	1-10	1 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 11, 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 “custom hvac system manufacturers”. 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 64 custom hvac system manufacturers based in Toronto, Canada

See the full list, filter by size, metro and specialty, and access 736 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Custom hvac system manufacturers based in Toronto, Canada at a glance

As of Oct 11, 2026

53.2%Verified-email coverage

21.6Average contacts per company

11-50Median size (employees)

Oct 11, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Email recency for this list is measured across the whole Canada list rather than for Toronto, so it is reported there. Company counts and contact totals on this page are exact for Toronto, over 64 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 Toronto, Canada whose business descriptions match “custom hvac system manufacturers” 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 736 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 11, 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.

Custom hvac system manufacturers by metro in Canada

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 “custom hvac system manufacturers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many custom hvac system manufacturers are there based in Toronto, Canada?

RevenueBase identified 64 company matches for custom hvac system manufacturers associated with Toronto, Canada 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?

HTS Engineering tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Canada has the most custom hvac system manufacturers?

Calgary leads Canada with 66 company records, followed by Toronto (64) and Mississauga (49).

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 736 professional contacts with verified work emails tracked across these 64 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 11, 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.