Company lists · Data refreshed October 2026

Top 25 Hvac and energy efficiency companies based in Mississauga, Canada

Name: Hvac and energy efficiency companies based in Mississauga, Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 14, 2026 64 companies tracked

RevenueBase identified 64 company matches for hvac and energy efficiency companies associated with Mississauga, Canada as of October 2026 and tracks 1,036 professional contacts across them, including 310 with verified work emails. Across Canada, Toronto is the largest hub for this category (113 companies); Mississauga has 64.

This list covers company matches for hvac and energy efficiency companies associated with Mississauga, 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 14, 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 14, 2026 How this list was built

64Companies

1,036Contacts tracked

310Verified emails

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The 25 largest hvac and energy efficiency companies based in Mississauga, Canada

Ranked by team size

Top 25 of 64 company matches for hvac and energy efficiency companies based in Mississauga, Canada, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 14, 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	Northern Dock Systems	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	73 contacts →
	Exact match “Northern Docks Systems is an industry leader in the sales and service of energy-efficient products including air barriers, high-speed doors, HVLS Fans and loading dock equipment.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
2	The RPM Groups	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	11-50	73 contacts →
	Exact match “We deliver solutions for our clients because we listen to their needs.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
3	Mits Airconditioning INC	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	58 contacts →
	Exact match “Founded in 1987 by President, Jack Eliav, Mits Air has grown from a single room operation to an HVAC distribution company with 5 fully stocked branches, 9 distribution warehouses…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
4	Nutemp Mechanical Systems LTD	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	58 contacts →
	Exact match “Nutemp Mechanical Systems LTD is a leading comprehensive mechanical heating, ventilation, plumbing, air conditioning and cooling (HVAC/R) contractor.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
5	Schwank North America	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	52 contacts →
	Exact match “Schwank has been synonymous with delivering the highest-quality and energy-saving climate systems tailored to endure varying and demanding conditions in commercial, industrial…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
6	Temspec INC	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	47 contacts →
	Exact match “Temspec is a manufacturer of ultra high efficiency vertical stacked fan coil units for the lodging, condominium, student residence, assisted living and army barracks markets and…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
7	Hrai Heating, Refrigeration And AIR Conditioning Institute Of Canada	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	11-50	43 contacts →
	Exact match “Founded in 1968, the Heating, Refrigeration and Air Conditioning Institute of Canada (HRAI) is a non-profit national trade association with over 1,400 manufacturers, wholesalers…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
8	VCI Controls INC	Exact match	Mississauga, CanadaHQ recorded Oct 14, 2026	51-200	35 contacts →
	Exact match “VCI CONTROLS Inc, a part of Dexterra Group, delivers healthy buildings.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
9	H.E. Rieckelman INC	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	11-50	27 contacts →
	Exact match “We are a full service HVAC distribution company that prides itself on exceptional service, knowledge and a suite of industry leading custom manufactured HVAC products.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
10	Certified Building Systems	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	26 contacts →
	Exact match “Certified Building Systems is a multi-faceted, comprehensive mechanical organization located in Mississauga, ON.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
11	Unilux Crfc	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	11-50	24 contacts →
	Exact match “In 1972 Unilux began manufacturing vertical fan coil units as a replacement for radiant baseboard heating in high-rise buildings.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
12	Gordon R. Williams Corporation	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	11-50	20 contacts →
	Exact match “Gordon R.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
13	Springbank Mechanical Systems LTD	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	20 contacts →
	Exact match “Springbank Mechanical Systems Limited Since our inception in 1990, Springbank Mechanical Systems has been providing high quality, 24-hour HVAC and refrigeration services to the…” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
14	The Hvac Service	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	20 contacts →
	Exact match “Heating, ventilation and air conditioning (or HVAC) is a modern technology which maintains temperature, good water pressure and chemical composition within the design parameters.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
15	Furnace King Home Services	Exact match	Mississauga, CanadaHQ recorded Oct 14, 2026	11-50	15 contacts →
	Exact match “We are a heating, cooling home comfort company in Mississauga, serving all of the GTA and surrounding areas.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
16	DBS	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	51-200	15 contacts →
	Exact match “dbs was founded in 1978 with 5 employees providing mechanical services to industrial and multi-unit residential clients.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
17	Cooling Tower Maintenance	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	11-50	14 contacts →
	Exact match “CTM services niche markets within the HVAC industry.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
18	Tigris Engineering INC	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	1-10	12 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
19	Ontario Energy Group	Exact match	Mississauga, CanadaHQ recorded Oct 14, 2026	51-200	12 contacts →
	Exact match “Ontario Energy Group helps you lower your energy consumption and energy bills, preserve world's natural resources.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
20	Maher Heating & Cooling	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	1-10	12 contacts →
	Exact match “At Maher Heating & Cooling, We Provide Repair, Service & Installation of Heating, Air Conditioning, Gas & Electrical Other Major Appliances.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
21	Concept AIR Systems Mechanical INC	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	11-50	11 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
22	Kilmer Hvac Service INC	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	1-10	8 contacts →
	Exact match “Our mission is to provide end users the opportunity to have the best possible experience and lowest total cost of ownership of the equipment that Kilmer Environmental represents.” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
23	Nortek Mechanical Services	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	11-50	7 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
24	DC AIR	Exact match	Mississauga, CanadaHQ recorded Oct 14, 2026	51-200	7 contacts →
	Exact match “New Residential Low-Rise & Mid-Rise HVAC Contractor operating throughout Southern Ontario and Ottawa” Recorded in the RevenueBase company graph · Oct 14, 2026 · View company records in RevenueBase
25	AIR Track Hvac	Exact match	Mississauga, ON, CanadaHQ recorded Oct 14, 2026	1-10	6 contacts →
	Exact match “AirTrack Inc has been a HVAC/R contractor since 1998 and are proud to be an authorized start-up, commissioning and warranty compliant contractor for AAON/Air Wise and various…” Recorded in the RevenueBase company graph · Oct 14, 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 and energy efficiency 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 64 hvac and energy efficiency companies based in Mississauga, Canada

See the full list, filter by size, metro and specialty, and access 310 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Hvac and energy efficiency companies based in Mississauga, Canada at a glance

As of Oct 14, 2026

29.9%Verified-email coverage

16.2Average contacts per company

11-50Median size (employees)

Oct 14, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured across the whole Canada list rather than for Mississauga, so it is reported there. Company counts and contact totals on this page are exact for Mississauga, 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 Mississauga, Canada whose business descriptions match “hvac and energy efficiency 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 310 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 14, 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 and energy efficiency companies 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 “hvac and energy efficiency companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many hvac and energy efficiency companies are there based in Mississauga, Canada?

RevenueBase identified 64 company matches for hvac and energy efficiency companies associated with Mississauga, 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?

Northern Dock Systems tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Canada has the most hvac and energy efficiency companies?

Toronto leads Canada with 113 company records, followed by Calgary (88) and Mississauga (64).

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 310 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 14, 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.