Company lists · Data refreshed September 2026
Top 25 Heating contractors based in Toronto, Canada
RevenueBase identified 87 company matches for heating contractors associated with Toronto, Canada as of September 2026 and tracks 1,272 professional contacts across them, including 614 with verified work emails. Across Canada, Calgary is the largest hub for this category (115 companies); Toronto follows with 87.
This list covers company matches for heating contractors 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 September 16, 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.
The 25 largest heating contractors based in Toronto, Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 714 contacts → | ||||
Exact match “Your success is our success.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 28 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 28 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 27 contacts → | ||||
Exact match “Sigma is an HVAC company founded in 1997, serving multiple market sectors.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 21 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “We offer high quality, and reliable heating and cooling systems in Ontario.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 17 contacts → | ||||
Exact match “Priority Plumbing is an award-winning company offering plumbing and heating services in Toronto.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “GTS Services are HVAC fan coil and heat pump replacement specialists, Certified Air System Cleaning Specialist's (ASCS) and Applied Microbial Remediation Technician's (AMRT)…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 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 · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “Throughout the past decade, BMI has established itself as a leader in Toronto's condominium plumbing and HVAC industries.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “At our core we are a commercial HVAC wholesaler.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Established in 1979, Canadian Tech Air Systems Inc.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “Based in Toronto, our team of heating experts will ensure you get the perfect look for your space through complete personalized service.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “Accuserv Heating and Air Conditioning is your Toronto source for all of your home HVAC.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Cozy Comfort Plus is a heating and air conditioning solution provider.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “Founded in 1998 by Fred Zolfaghari, a successful Mechanical Engineer with over 35 years of unmatched experience and expertise, Air Makers is now Toronto’s most trusted source for…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 5 contacts → | ||||
Exact match “Condominium heating and air conditioning in the Greater Toronto Area.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “Family Friendly Heating and Cooling in Toronto.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 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 · Sep 16, 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 “heating contractors”. 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 87 heating contractors based in Toronto, Canada
See the full list, filter by size, metro and specialty, and access 614 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Heating contractors based in Toronto, Canada at a glance
As of Sep 16, 2026Companies by employee count
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 87 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 “heating contractors” 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 614 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 16, 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.
Heating contractors by metro in Canada
- Heating contractors in Calgary115
- Heating contractors in Edmonton59
- Heating contractors in Mississauga47
- Heating contractors in Montreal44
- Heating contractors in Ottawa43
- Heating contractors in Burnaby39
- Heating contractors in Surrey39
- Heating contractors in Winnipeg39
- Heating contractors in Brampton37
- Heating contractors in Vaughan35
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 “heating contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many heating contractors are there based in Toronto, Canada?
RevenueBase identified 87 company matches for heating contractors associated with Toronto, Canada 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?
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 heating contractors?
Calgary leads Canada with 115 company records, followed by Toronto (87) and Edmonton (59).
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 614 professional contacts with verified work emails tracked across these 87 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 87 heating contractors based in Toronto, Canada. Start with a free account, no credit card.
Download this list →Related lists
Heating contractors by geography
- Heating contractors based in Brampton, Canada
- Heating contractors based in Burnaby, Canada
- Heating contractors based in Calgary, Canada
- Heating contractors based in Edmonton, Canada
- Heating contractors based in Mississauga, Canada
- Heating contractors based in Montreal, Canada
- Heating contractors based in Ottawa, Canada
- Heating contractors based in Surrey, Canada
- Heating contractors based in Vaughan, Canada
- Heating contractors based in Winnipeg, Canada
- Heating contractors based in Glasgow, United Kingdom
- Heating contractors based in London, United Kingdom
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Heating contractors based in Brampton, Canada
- Heating contractors based in Burnaby, Canada
- Heating contractors based in Calgary, Canada
- Heating contractors based in Edmonton, Canada
- Heating contractors based in Mississauga, Canada
- Heating contractors based in Montreal, Canada
Company intelligence · public preview
Top 25 heating contractors based in Toronto, Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 87 matching company records for heating contractors based in Toronto, Canada, with 1,272 tracked contacts and 614 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 heating contractors based in Toronto, Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  HTS Engineeringhts.comHQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 714 contacts → |
“Your success is our success.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Simply Green Home Services INCmysimplygreen.comHQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 60 contacts → |
“Simply Green offers a wide range of options to help you get equipped with reliable, top-quality, high-efficiency heating and cooling systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Xtra Mechanical Limitedxtramech.caHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 29 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 1click Heating & Cooling1clickheat.com HQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 28 contacts → |
“1Click Heating & Cooling offers a seamless, eco-friendly, and cost-effective solution for all your heating and cooling needs.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Scottish GAS Group INCscottishgas.caHQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 |  Sigma Heating & Coolingsigmaproducts.comHQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 27 contacts → |
“Sigma is an HVAC company founded in 1997, serving multiple market sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dael Thermal Group INCdaelthermal.comHQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 21 contacts → |
“Complete industrial and commercial solutions: • Combustion • Refrigeration • Chillers • HVAC • Plumbing • Electrical • Turn-key Installations IMMEDIATE SERVICE.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AIR Heat Suppliesairheat.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 18 contacts → |
“We offer high quality, and reliable heating and cooling systems in Ontario.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Priority Plumbingpriorityplumbing.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 17 contacts → |
“Priority Plumbing is an award-winning company offering plumbing and heating services in Toronto.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  GTS Servicesgtsservices.caHQ: Toronto, CanadaReported employees: 11-50 | Toronto, Canada | 11-50 | Exact match | 13 contacts → |
“GTS Services are HVAC fan coil and heat pump replacement specialists, Certified Air System Cleaning Specialist's (ASCS) and Applied Microbial Remediation Technician's (AMRT)…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Thermo Cool Mechanicalthermocoolmech.comHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 13 contacts → |
“Since established in 1983 Thermo Cool Mechanical has been providing heating, air conditioning, and ventilation (HVAC) services all over the Greater Toronto Area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Brial Mechanical INC BMIbrial.caHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 10 contacts → |
“Throughout the past decade, BMI has established itself as a leader in Toronto's condominium plumbing and HVAC industries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vanguard Mechanical INCvanguardmechanical.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Cool Check AIR Conditioning LTDcoolcheck.caHQ: Toronto, CanadaReported employees: 11-50 | Toronto, Canada | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Hydronic Parts Group LTDhpgsales.comHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 6 contacts → |
“At our core we are a commercial HVAC wholesaler.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 6 contacts → |
“Established in 1979, Canadian Tech Air Systems Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ironworks Radiators INCironworksradiators.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 6 contacts → |
“Based in Toronto, our team of heating experts will ensure you get the perfect look for your space through complete personalized service.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Accuserv Heating And AIR Conditioningaccuservheating.comHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 5 contacts → |
“Accuserv Heating and Air Conditioning is your Toronto source for all of your home HVAC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nortown AIRnortownair.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Easterbrook Brothers LTDeasterbrookbrothers.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Cozy Comfort Pluscozycomfortplus.comHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 5 contacts → |
“Cozy Comfort Plus is a heating and air conditioning solution provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  AIR Makers INCairmakers.caHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 5 contacts → |
“Founded in 1998 by Fred Zolfaghari, a successful Mechanical Engineer with over 35 years of unmatched experience and expertise, Air Makers is now Toronto’s most trusted source for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Diverse AIR Systems INCdiverseair.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 5 contacts → |
“Condominium heating and air conditioning in the Greater Toronto Area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AIR Treatment Climatecareairtreatment.net HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 3 contacts → |
“Family Friendly Heating and Cooling in Toronto.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  National Mechanical AIR LTDnationalmechanicalair.caHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 3 contacts → |
“We provide HVAC & R related Mechanical services to businesses and multi-residential buildings throughout the Greater Toronto Area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 87 company matches
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Heating contractors: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
85 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 87 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Heating contractors by metro in Canada
- Heating contractors in Calgary115
- Heating contractors in Edmonton59
- Heating contractors in Mississauga47
- Heating contractors in Montreal44
- Heating contractors in Ottawa43
- Heating contractors in Burnaby39
- Heating contractors in Surrey39
- Heating contractors in Winnipeg39
- Heating contractors in Brampton37
- Heating contractors in Vaughan35
Questions about this company list
What does Exact match mean for heating contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many heating contractors did RevenueBase find based in Toronto, Canada?
The saved snapshot records 87 matching company records, 1,272 tracked contacts and 614 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Heating contractors by geography
- Heating contractors based in Brampton, Canada
- Heating contractors based in Burnaby, Canada
- Heating contractors based in Calgary, Canada
- Heating contractors based in Edmonton, Canada
- Heating contractors based in Mississauga, Canada
- Heating contractors based in Montreal, Canada
- Heating contractors based in Ottawa, Canada
- Heating contractors based in Surrey, Canada
- Heating contractors based in Vaughan, Canada
- Heating contractors based in Winnipeg, Canada
- Heating contractors based in Glasgow, United Kingdom
- Heating contractors based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 heating contractors based in Toronto, Canada. Snapshot: September 16, 2026. https://revenuebase.ai/companies/heating-contractors/canada/toronto.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Heating contractors based in Brampton, Canada
- Heating contractors based in Burnaby, Canada
- Heating contractors based in Calgary, Canada
- Heating contractors based in Edmonton, Canada
- Heating contractors based in Mississauga, Canada
- Heating contractors based in Montreal, Canada
Company intelligence · public preview
Top 25 heating contractors based in Toronto, Canada
RevenueBase records 87 matching company records for heating contractors based in Toronto, Canada, with 1,272 tracked contacts and 614 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 16, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 heating contractors based in Toronto, Canada
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | HTS Engineeringhts.com HQ: Toronto, ON, CanadaReported employees: 1,001-5,000 | Toronto, ON, Canada | 1,001-5,000 | Exact match | 714 contacts → |
“Your success is our success.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Simply Green Home Services INCmysimplygreen.com HQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 60 contacts → |
“Simply Green offers a wide range of options to help you get equipped with reliable, top-quality, high-efficiency heating and cooling systems.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Xtra Mechanical Limitedxtramech.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 29 contacts → |
“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 description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 1click Heating & Cooling1clickheat.com HQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 28 contacts → |
“1Click Heating & Cooling offers a seamless, eco-friendly, and cost-effective solution for all your heating and cooling needs.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Scottish GAS Group INCscottishgas.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 28 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 6 | Sigma Heating & Coolingsigmaproducts.com HQ: Toronto, ON, CanadaReported employees: 201-500 | Toronto, ON, Canada | 201-500 | Exact match | 27 contacts → |
“Sigma is an HVAC company founded in 1997, serving multiple market sectors.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dael Thermal Group INCdaelthermal.com HQ: Toronto, ON, CanadaReported employees: 51-200 | Toronto, ON, Canada | 51-200 | Exact match | 21 contacts → |
“Complete industrial and commercial solutions: • Combustion • Refrigeration • Chillers • HVAC • Plumbing • Electrical • Turn-key Installations IMMEDIATE SERVICE.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | AIR Heat Suppliesairheat.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 18 contacts → |
“We offer high quality, and reliable heating and cooling systems in Ontario.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Priority Plumbingpriorityplumbing.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 17 contacts → |
“Priority Plumbing is an award-winning company offering plumbing and heating services in Toronto.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | GTS Servicesgtsservices.ca HQ: Toronto, CanadaReported employees: 11-50 | Toronto, Canada | 11-50 | Exact match | 13 contacts → |
“GTS Services are HVAC fan coil and heat pump replacement specialists, Certified Air System Cleaning Specialist's (ASCS) and Applied Microbial Remediation Technician's (AMRT)…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Thermo Cool Mechanicalthermocoolmech.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 13 contacts → |
“Since established in 1983 Thermo Cool Mechanical has been providing heating, air conditioning, and ventilation (HVAC) services all over the Greater Toronto Area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Brial Mechanical INC BMIbrial.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 10 contacts → |
“Throughout the past decade, BMI has established itself as a leader in Toronto's condominium plumbing and HVAC industries.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Vanguard Mechanical INCvanguardmechanical.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Cool Check AIR Conditioning LTDcoolcheck.ca HQ: Toronto, CanadaReported employees: 11-50 | Toronto, Canada | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Hydronic Parts Group LTDhpgsales.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 6 contacts → |
“At our core we are a commercial HVAC wholesaler.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 6 contacts → |
“Established in 1979, Canadian Tech Air Systems Inc.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Ironworks Radiators INCironworksradiators.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 6 contacts → |
“Based in Toronto, our team of heating experts will ensure you get the perfect look for your space through complete personalized service.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Accuserv Heating And AIR Conditioningaccuservheating.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 5 contacts → |
“Accuserv Heating and Air Conditioning is your Toronto source for all of your home HVAC.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nortown AIRnortownair.com HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Easterbrook Brothers LTDeasterbrookbrothers.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Cozy Comfort Pluscozycomfortplus.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 5 contacts → |
“Cozy Comfort Plus is a heating and air conditioning solution provider.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | AIR Makers INCairmakers.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 5 contacts → |
“Founded in 1998 by Fred Zolfaghari, a successful Mechanical Engineer with over 35 years of unmatched experience and expertise, Air Makers is now Toronto’s most trusted source for…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Diverse AIR Systems INCdiverseair.ca HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 5 contacts → |
“Condominium heating and air conditioning in the Greater Toronto Area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | AIR Treatment Climatecareairtreatment.net HQ: Toronto, ON, CanadaReported employees: 1-10 | Toronto, ON, Canada | 1-10 | Exact match | 3 contacts → |
“Family Friendly Heating and Cooling in Toronto.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | National Mechanical AIR LTDnationalmechanicalair.ca HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 3 contacts → |
“We provide HVAC & R related Mechanical services to businesses and multi-residential buildings throughout the Greater Toronto Area.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 87 company matches
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Heating contractors: dataset insights
September 16, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
85 records in the displayed employee bands.
2 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 87 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Heating contractors by metro in Canada
- Heating contractors in Calgary115
- Heating contractors in Edmonton59
- Heating contractors in Mississauga47
- Heating contractors in Montreal44
- Heating contractors in Ottawa43
- Heating contractors in Burnaby39
- Heating contractors in Surrey39
- Heating contractors in Winnipeg39
- Heating contractors in Brampton37
- Heating contractors in Vaughan35
Questions about this company list
What does Exact match mean for heating contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many heating contractors did RevenueBase find based in Toronto, Canada?
The saved snapshot records 87 matching company records, 1,272 tracked contacts and 614 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Heating contractors by geography
- Heating contractors based in Brampton, Canada
- Heating contractors based in Burnaby, Canada
- Heating contractors based in Calgary, Canada
- Heating contractors based in Edmonton, Canada
- Heating contractors based in Mississauga, Canada
- Heating contractors based in Montreal, Canada
- Heating contractors based in Ottawa, Canada
- Heating contractors based in Surrey, Canada
- Heating contractors based in Vaughan, Canada
- Heating contractors based in Winnipeg, Canada
- Heating contractors based in Glasgow, United Kingdom
- Heating contractors based in London, United Kingdom
Cite this list
RevenueBase Data Team. Top 25 heating contractors based in Toronto, Canada. Snapshot: September 16, 2026. https://revenuebase.ai/companies/heating-contractors/canada/toronto.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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