Company lists · Data refreshed September 2026
Top 25 Rooftop unit services based in Canada
RevenueBase identified 637 company matches for rooftop unit services associated with Canada as of September 2026 and tracks 4,934 professional contacts across them, including 1,981 with verified work emails. Toronto is the largest hub.
This list covers company matches for rooftop unit services associated with 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 29, 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 rooftop unit services based in Canada
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 714 contacts → | ||||
Exact match “Your success is our success.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 208 contacts → | ||||
Exact match “Founded in 1968, Gateway Mechanical is a privately owned company that has established itself as a leader in the commercial and industrial refrigeration, heating and air…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 193 contacts → | ||||
Exact match “The Right Time Group of Companies has been proudly providing a full range of home HVAC solutions to customers across Ontario, Manitoba, Saskatchewan, Alberta and British Columbia…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 191 contacts → | ||||
Exact match “Kolostat Inc.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 89 contacts → | ||||
Exact match “Olympic International is a premier provider of heating, ventilating and air conditioning (HVAC) equipment design, engineering support and training serving Western Canada.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 89 contacts → | ||||
Exact match “BAULNE is a company based in Montreal and Quebec City, providing HVAC building mechanics services (heating/cooling) for the following sectors: industrial, commercial…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 63 contacts → | ||||
Exact match “Depuis 1987, Lysair se démarque par la qualité de ses projets et de ses services d’entretien en ventilation, climatisation et chauffage dans les secteurs résidentiels…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 58 contacts → | ||||
Exact match “Que ce soit en climatisation, en ventilation, en réfrigération, en congélation, en plomberie, en chauffage ou pour les procédés de gaz naturel, nous avons un technicien qualifié…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 55 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 · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 51 contacts → | ||||
Exact match “PSL is one of the fastest growing mechanical service providers in Northern Ontario.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 47 contacts → | ||||
Exact match “Custom Air started in 1991 when the founders decided that the commercial and industrial HVAC industry would benefit from a different kind of company - a company aimed at providing…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 43 contacts → | ||||
Exact match “Our Mission:"Major Refrigeration strives to provide the best quality service in a safe, efficient manner at all times.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 42 contacts → | ||||
Exact match “A1 Air Conditioning & Heating is the GTA’s finest residential and commercial heating and cooling contractor.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 41 contacts → | ||||
Exact match “A mechanical contractor serving the GTA, specializing in school and other commercial construction and renovations.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 40 contacts → | ||||
Exact match “En opération depuis plus de 25 ans, Confort Expert a su gagner la confiance d’acteurs majeurs dans le domaine de l’énergie; nous sommes depuis plusieurs années partenaire…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 35 contacts → | ||||
Exact match “Climate Works is a leading mechanical service provider based in Ottawa, delivering professional heating, cooling, ventilation, and plumbing solutions to commercial, industrial…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 30 contacts → | ||||
Exact match “Mechanical systems are critical to building performance-and when they fail, operations, comfort, and costs are all impacted.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 30 contacts → | ||||
Exact match “EDL Building Solutions gives commercial building owners and facility managers peace of mind through reliable, comfortable, and efficient facilities.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 29 contacts → | ||||
Exact match “Locally owned and operated for over 35 years, Airstream delivers expert HVAC solutions across the Lower Mainland and Fraser Valley.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 29 contacts → | ||||
Exact match “A K Brown has been delivering service excellence to commercial and industrial customers since 1983.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 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 29, 2026 · View company records in RevenueBase | |||||
| 23 | 28 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 26 contacts → | ||||
Exact match “We specialize in HVAC, refrigeration and lighting for commercial buildings, retail spaces and restaurants.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 26 contacts → | ||||
Exact match “Automatic Controls Ltd.” Recorded in the RevenueBase company graph · Sep 29, 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 “rooftop unit services”. 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 637 rooftop unit services based in Canada
See the full list, filter by size, metro and specialty, and access 1,981 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Rooftop unit services based in Canada at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 637 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 Canada whose business descriptions match “rooftop unit services” 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 1,981 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 29, 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.
Rooftop unit services by metro
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 “rooftop unit services”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many rooftop unit services are there based in Canada?
RevenueBase identified 637 company matches for rooftop unit services associated with 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 has the most rooftop unit services?
Toronto leads with 42 company records, followed by Calgary (33) and Edmonton (24).
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 1,981 professional contacts with verified work emails tracked across these 637 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 637 rooftop unit services based in Canada. Start with a free account, no credit card.
Download this list →Related lists
Rooftop unit services by geography
- Rooftop unit services based in Calgary, Canada
- Rooftop unit services based in Toronto, Canada
- Rooftop unit services based in Austin, United States
- Rooftop unit services based in Charlotte, United States
- Rooftop unit services based in Dallas, United States
- Rooftop unit services based in Denver, United States
- Rooftop unit services based in Greenville, United States
- Rooftop unit services based in Houston, United States
- Rooftop unit services based in Indianapolis, United States
- Rooftop unit services based in Jacksonville, United States
- Rooftop unit services based in Louisville, United States
- Rooftop unit services based in Miami, United States
Browse the directory
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
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- Lists A-Z
- New lists
- Rooftop unit services based in Calgary, Canada
- Rooftop unit services based in Toronto, Canada
- Rooftop unit services based in Austin, United States
- Rooftop unit services based in Charlotte, United States
- Rooftop unit services based in Dallas, United States
- Rooftop unit services based in Denver, United States
Company intelligence · public preview
Top 25 rooftop unit services based in Canada
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 637 matching company records for rooftop unit services based in Canada, with 4,934 tracked contacts and 1,981 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 29, 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 rooftop unit services based in 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Gateway Mechanical Servicesgatewaymechanical.caHQ: Edmonton, AB, CanadaReported employees: 201-500 | Edmonton, AB, Canada | 201-500 | Exact match | 208 contacts → |
“Founded in 1968, Gateway Mechanical is a privately owned company that has established itself as a leader in the commercial and industrial refrigeration, heating and air…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Right Time Group Of Companiesright-time.caHQ: St. Catharines, ON, CanadaReported employees: 1,001-5,000 | St. Catharines, ON, Canada | 1,001-5,000 | Exact match | 193 contacts → |
“The Right Time Group of Companies has been proudly providing a full range of home HVAC solutions to customers across Ontario, Manitoba, Saskatchewan, Alberta and British Columbia…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Kolostatkolostat.comHQ: Laval, QC, CanadaReported employees: 201-500 | Laval, QC, Canada | 201-500 | Exact match | 191 contacts → |
“Kolostat Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Olympic International Sales Limitedolympicinternational.comHQ: North Vancouver, BC, CanadaReported employees: 51-200 | North Vancouver, BC, Canada | 51-200 | Exact match | 89 contacts → |
“Olympic International is a premier provider of heating, ventilating and air conditioning (HVAC) equipment design, engineering support and training serving Western Canada.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Baulnebaulne.caHQ: Lachine, QC, CanadaReported employees: 51-200 | Lachine, QC, Canada | 51-200 | Exact match | 89 contacts → |
“BAULNE is a company based in Montreal and Quebec City, providing HVAC building mechanics services (heating/cooling) for the following sectors: industrial, commercial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Lysairlysair.caHQ: Laval, QC, CanadaReported employees: 51-200 | Laval, QC, Canada | 51-200 | Exact match | 63 contacts → |
“Depuis 1987, Lysair se démarque par la qualité de ses projets et de ses services d’entretien en ventilation, climatisation et chauffage dans les secteurs résidentiels…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GNR Corbusgnrcorbus.com HQ: Sherbrooke, QC, CanadaReported employees: 201-500 | Sherbrooke, QC, Canada | 201-500 | Exact match | 58 contacts → |
“Que ce soit en climatisation, en ventilation, en réfrigération, en congélation, en plomberie, en chauffage ou pour les procédés de gaz naturel, nous avons un technicien qualifié…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Nutemp Mechanical Systems LTDnutemp.caHQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 55 contacts → |
“Nutemp Mechanical Systems LTD is a leading comprehensive mechanical heating, ventilation, plumbing, air conditioning and cooling (HVAC/R) contractor.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  PSL Patrick Sprack LTDpsltd.caHQ: Sudbury, ON, CanadaReported employees: 51-200 | Sudbury, ON, Canada | 51-200 | Exact match | 51 contacts → |
“PSL is one of the fastest growing mechanical service providers in Northern Ontario.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Customaircustomair.ca HQ: Port Coquitlam, BC, CanadaReported employees: 51-200 | Port Coquitlam, BC, Canada | 51-200 | Exact match | 47 contacts → |
“Custom Air started in 1991 when the founders decided that the commercial and industrial HVAC industry would benefit from a different kind of company - a company aimed at providing…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Major Refrigeration LTDmajorrefrigeration.caHQ: Grimsby, ON, CanadaReported employees: 51-200 | Grimsby, ON, Canada | 51-200 | Exact match | 43 contacts → |
“Our Mission:"Major Refrigeration strives to provide the best quality service in a safe, efficient manner at all times.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  A1 AIR Conditioning & Heatinga1airconditioning.caHQ: Oakville, ON, CanadaReported employees: 51-200 | Oakville, ON, Canada | 51-200 | Exact match | 42 contacts → |
“A1 Air Conditioning & Heating is the GTA’s finest residential and commercial heating and cooling contractor.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MSB Mechanicalmsbmechanical.com HQ: Newmarket, ON, CanadaReported employees: 51-200 | Newmarket, ON, Canada | 51-200 | Exact match | 41 contacts → |
“A mechanical contractor serving the GTA, specializing in school and other commercial construction and renovations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Confort Expert INCconfortexpert.comHQ: Anjou, QC, CanadaReported employees: 51-200 | Anjou, QC, Canada | 51-200 | Exact match | 40 contacts → |
“En opération depuis plus de 25 ans, Confort Expert a su gagner la confiance d’acteurs majeurs dans le domaine de l’énergie; nous sommes depuis plusieurs années partenaire…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Climate Works Heating, Cooling & Plumbingclimateworks.caHQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 35 contacts → |
“Climate Works is a leading mechanical service provider based in Ottawa, delivering professional heating, cooling, ventilation, and plumbing solutions to commercial, industrial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Serv-All Mechanical Services LTDserv-all.caHQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 31 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  Icom Mechanical Solutionsicommechanical.comHQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 30 contacts → |
“Mechanical systems are critical to building performance-and when they fail, operations, comfort, and costs are all impacted.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  EDL Building Solutionsedl.caHQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 30 contacts → |
“EDL Building Solutions gives commercial building owners and facility managers peace of mind through reliable, comfortable, and efficient facilities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Airstream Heating & AIR Conditioning INCairstreamheating.comHQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 29 contacts → |
“Locally owned and operated for over 35 years, Airstream delivers expert HVAC solutions across the Lower Mainland and Fraser Valley.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  AK Brown LTDakbrown.comHQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 29 contacts → |
“A K Brown has been delivering service excellence to commercial and industrial customers since 1983.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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. | |||||
| 24 |  Aerco Industriesaercoindustries.comHQ: Port Coquitlam, BC, CanadaReported employees: 11-50 | Port Coquitlam, BC, Canada | 11-50 | Exact match | 26 contacts → |
“We specialize in HVAC, refrigeration and lighting for commercial buildings, retail spaces and restaurants.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Automatic Controlsautomatic-controls.comHQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 26 contacts → |
“Automatic Controls Ltd.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 637 company matches
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Rooftop unit services: dataset insights
September 29, 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
615 records in the displayed employee bands.
22 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 worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 637 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 29, 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 ↗
Rooftop unit services by metro
Questions about this company list
What does Exact match mean for rooftop unit services?
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 rooftop unit services did RevenueBase find based in Canada?
The saved snapshot records 637 matching company records, 4,934 tracked contacts and 1,981 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 29, 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
Rooftop unit services by geography
- Rooftop unit services based in Calgary, Canada
- Rooftop unit services based in Toronto, Canada
- Rooftop unit services based in Austin, United States
- Rooftop unit services based in Charlotte, United States
- Rooftop unit services based in Dallas, United States
- Rooftop unit services based in Denver, United States
- Rooftop unit services based in Greenville, United States
- Rooftop unit services based in Houston, United States
- Rooftop unit services based in Indianapolis, United States
- Rooftop unit services based in Jacksonville, United States
- Rooftop unit services based in Louisville, United States
- Rooftop unit services based in Miami, United States
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 rooftop unit services based in Canada. Snapshot: September 29, 2026. https://revenuebase.ai/companies/rooftop-unit-services/canada.
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
- Rooftop unit services based in Calgary, Canada
- Rooftop unit services based in Toronto, Canada
- Rooftop unit services based in Austin, United States
- Rooftop unit services based in Charlotte, United States
- Rooftop unit services based in Dallas, United States
- Rooftop unit services based in Denver, United States
Company intelligence · public preview
Top 25 rooftop unit services based in Canada
RevenueBase records 637 matching company records for rooftop unit services based in Canada, with 4,934 tracked contacts and 1,981 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 29, 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 rooftop unit services based in 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Gateway Mechanical Servicesgatewaymechanical.ca HQ: Edmonton, AB, CanadaReported employees: 201-500 | Edmonton, AB, Canada | 201-500 | Exact match | 208 contacts → |
“Founded in 1968, Gateway Mechanical is a privately owned company that has established itself as a leader in the commercial and industrial refrigeration, heating and air…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Right Time Group Of Companiesright-time.ca HQ: St. Catharines, ON, CanadaReported employees: 1,001-5,000 | St. Catharines, ON, Canada | 1,001-5,000 | Exact match | 193 contacts → |
“The Right Time Group of Companies has been proudly providing a full range of home HVAC solutions to customers across Ontario, Manitoba, Saskatchewan, Alberta and British Columbia…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Kolostatkolostat.com HQ: Laval, QC, CanadaReported employees: 201-500 | Laval, QC, Canada | 201-500 | Exact match | 191 contacts → |
“Kolostat Inc.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Olympic International Sales Limitedolympicinternational.com HQ: North Vancouver, BC, CanadaReported employees: 51-200 | North Vancouver, BC, Canada | 51-200 | Exact match | 89 contacts → |
“Olympic International is a premier provider of heating, ventilating and air conditioning (HVAC) equipment design, engineering support and training serving Western Canada.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Baulnebaulne.ca HQ: Lachine, QC, CanadaReported employees: 51-200 | Lachine, QC, Canada | 51-200 | Exact match | 89 contacts → |
“BAULNE is a company based in Montreal and Quebec City, providing HVAC building mechanics services (heating/cooling) for the following sectors: industrial, commercial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Lysairlysair.ca HQ: Laval, QC, CanadaReported employees: 51-200 | Laval, QC, Canada | 51-200 | Exact match | 63 contacts → |
“Depuis 1987, Lysair se démarque par la qualité de ses projets et de ses services d’entretien en ventilation, climatisation et chauffage dans les secteurs résidentiels…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GNR Corbusgnrcorbus.com HQ: Sherbrooke, QC, CanadaReported employees: 201-500 | Sherbrooke, QC, Canada | 201-500 | Exact match | 58 contacts → |
“Que ce soit en climatisation, en ventilation, en réfrigération, en congélation, en plomberie, en chauffage ou pour les procédés de gaz naturel, nous avons un technicien qualifié…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Nutemp Mechanical Systems LTDnutemp.ca HQ: Mississauga, ON, CanadaReported employees: 51-200 | Mississauga, ON, Canada | 51-200 | Exact match | 55 contacts → |
“Nutemp Mechanical Systems LTD is a leading comprehensive mechanical heating, ventilation, plumbing, air conditioning and cooling (HVAC/R) contractor.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | PSL Patrick Sprack LTDpsltd.ca HQ: Sudbury, ON, CanadaReported employees: 51-200 | Sudbury, ON, Canada | 51-200 | Exact match | 51 contacts → |
“PSL is one of the fastest growing mechanical service providers in Northern Ontario.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Customaircustomair.ca HQ: Port Coquitlam, BC, CanadaReported employees: 51-200 | Port Coquitlam, BC, Canada | 51-200 | Exact match | 47 contacts → |
“Custom Air started in 1991 when the founders decided that the commercial and industrial HVAC industry would benefit from a different kind of company - a company aimed at providing…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Major Refrigeration LTDmajorrefrigeration.ca HQ: Grimsby, ON, CanadaReported employees: 51-200 | Grimsby, ON, Canada | 51-200 | Exact match | 43 contacts → |
“Our Mission:"Major Refrigeration strives to provide the best quality service in a safe, efficient manner at all times.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | A1 AIR Conditioning & Heatinga1airconditioning.ca HQ: Oakville, ON, CanadaReported employees: 51-200 | Oakville, ON, Canada | 51-200 | Exact match | 42 contacts → |
“A1 Air Conditioning & Heating is the GTA’s finest residential and commercial heating and cooling contractor.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | MSB Mechanicalmsbmechanical.com HQ: Newmarket, ON, CanadaReported employees: 51-200 | Newmarket, ON, Canada | 51-200 | Exact match | 41 contacts → |
“A mechanical contractor serving the GTA, specializing in school and other commercial construction and renovations.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Confort Expert INCconfortexpert.com HQ: Anjou, QC, CanadaReported employees: 51-200 | Anjou, QC, Canada | 51-200 | Exact match | 40 contacts → |
“En opération depuis plus de 25 ans, Confort Expert a su gagner la confiance d’acteurs majeurs dans le domaine de l’énergie; nous sommes depuis plusieurs années partenaire…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Climate Works Heating, Cooling & Plumbingclimateworks.ca HQ: Ottawa, ON, CanadaReported employees: 51-200 | Ottawa, ON, Canada | 51-200 | Exact match | 35 contacts → |
“Climate Works is a leading mechanical service provider based in Ottawa, delivering professional heating, cooling, ventilation, and plumbing solutions to commercial, industrial…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Serv-All Mechanical Services LTDserv-all.ca HQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 31 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | Icom Mechanical Solutionsicommechanical.com HQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 30 contacts → |
“Mechanical systems are critical to building performance-and when they fail, operations, comfort, and costs are all impacted.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | EDL Building Solutionsedl.ca HQ: Edmonton, AB, CanadaReported employees: 51-200 | Edmonton, AB, Canada | 51-200 | Exact match | 30 contacts → |
“EDL Building Solutions gives commercial building owners and facility managers peace of mind through reliable, comfortable, and efficient facilities.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Airstream Heating & AIR Conditioning INCairstreamheating.com HQ: Burnaby, BC, CanadaReported employees: 51-200 | Burnaby, BC, Canada | 51-200 | Exact match | 29 contacts → |
“Locally owned and operated for over 35 years, Airstream delivers expert HVAC solutions across the Lower Mainland and Fraser Valley.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | AK Brown LTDakbrown.com HQ: Calgary, AB, CanadaReported employees: 51-200 | Calgary, AB, Canada | 51-200 | Exact match | 29 contacts → |
“A K Brown has been delivering service excellence to commercial and industrial customers since 1983.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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. | |||||
| 24 | Aerco Industriesaercoindustries.com HQ: Port Coquitlam, BC, CanadaReported employees: 11-50 | Port Coquitlam, BC, Canada | 11-50 | Exact match | 26 contacts → |
“We specialize in HVAC, refrigeration and lighting for commercial buildings, retail spaces and restaurants.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Automatic Controlsautomatic-controls.com HQ: Edmonton, AB, CanadaReported employees: 11-50 | Edmonton, AB, Canada | 11-50 | Exact match | 26 contacts → |
“Automatic Controls Ltd.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 637 company matches
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Rooftop unit services: dataset insights
September 29, 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
615 records in the displayed employee bands.
22 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 worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 637 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 29, 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 ↗
Rooftop unit services by metro
Questions about this company list
What does Exact match mean for rooftop unit services?
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 rooftop unit services did RevenueBase find based in Canada?
The saved snapshot records 637 matching company records, 4,934 tracked contacts and 1,981 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 29, 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.
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Cite this list
RevenueBase Data Team. Top 25 rooftop unit services based in Canada. Snapshot: September 29, 2026. https://revenuebase.ai/companies/rooftop-unit-services/canada.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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