Company lists · Data refreshed September 2026

Top 25 Boiler repair and maintenance services based in Canada

Name: Boiler repair and maintenance services based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 253 companies tracked

RevenueBase identified 253 boiler repair and maintenance services headquartered in Canada as of September 2026 and tracks 1,175 professional contacts across them, including 388 with verified work emails. Calgary is the largest hub.

This list covers boiler repair and maintenance services headquartered in Canada, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review

253Companies

1,175Contacts tracked

388Verified emails

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The 25 largest boiler repair and maintenance services based in Canada

Ranked by team size

Top 25 of 253 boiler repair and maintenance services based in Canada, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to boiler repair and maintenance services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Prime Boiler Services, A Thermogenics Company	Partial evidence	Red Deer, AB, CanadaHQ checked Sep 19, 2026	51-200	84 contacts →
	Partial evidence “Prime Boiler Services has been servicing the Oil & Gas, Power, Industrial, and Commercial business sectors across Western Canada since 1991.” Source: RevenueBase Database · checked Sep 19, 2026
2	Thermogenics	Partial evidence	Aurora, ON, CanadaHQ checked Sep 19, 2026	51-200	74 contacts →
	Partial evidence “Thermogenics, founded in 1975, is a leading provider of boiler lifecycle solutions in North America.” Source: RevenueBase Database · checked Sep 19, 2026
3	LE Groupe Simoneau	Partial evidence	Boucherville, QC, CanadaHQ checked Sep 19, 2026	51-200	73 contacts →
	Partial evidence “Simoneau is a leader in the high-performance boiler industry, both commercial & institutional recognized worldwide.” Source: RevenueBase Database · checked Sep 19, 2026
4	Simply Green Home Services INC	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 19, 2026	201-500	60 contacts →
	Indirect evidence “Simply Green offers a wide range of options to help you get equipped with reliable, top-quality, high-efficiency heating and cooling systems.” Source: RevenueBase Database · checked Sep 19, 2026
5	ALL PRO Energy Services	Partial evidence	Port Coquitlam, BC, CanadaHQ checked Sep 19, 2026	11-50	31 contacts →
	Partial evidence “All-Pro Services Ltd is a locally owned and operated boiler contractor business established in All-Pro has a Class "A"Boiler Contractor designation, licensed "A" Gas Contractor…” Source: RevenueBase Database · checked Sep 19, 2026
6	Maritime Pressure Works Limited	Indirect evidence	Dartmouth, NS, CanadaHQ checked Sep 19, 2026	51-200	30 contacts →
	Indirect evidence “Maritime Pressure Works Limited is a Nova Scotia owned and operated company founded in 1998.” Source: RevenueBase Database · checked Sep 19, 2026
7	AIR West Mechanical	Indirect evidence	Cochrane, AB, CanadaHQ checked Sep 19, 2026	51-200	22 contacts →
	Indirect evidence “At Air West Mechanical, we’re dedicated to keeping our community comfortable year-round.” Source: RevenueBase Database · checked Sep 19, 2026
8	Lisi Services	Indirect evidence	Vaughan, ON, CanadaHQ checked Sep 19, 2026	11-50	21 contacts →
	Indirect evidence “Keeping your mechanical systems flowing is what Lisi does best, and since 1979, we have been doing just that.” Source: RevenueBase Database · checked Sep 19, 2026
9	Groupe Centco INC LE	Indirect evidence	Montréal, QC, CanadaHQ checked Sep 19, 2026	51-200	20 contacts →
	Indirect evidence “Dans le domaine depuis 60 ans, l'équipe de Centco travaille tous les jours avec des équipements à la fine pointe de la technologie pour accomplir un travail de qualité, tout en…” Source: RevenueBase Database · checked Sep 19, 2026
10	Thermo-Énergie	Indirect evidence	Québec, QC, CanadaHQ checked Sep 19, 2026	11-50	20 contacts →
	Indirect evidence “Thermo-Énergie leader québécois dans l’entretien, la réparation et l’optimisation des centrales thermiques et équipements de combustion.” Source: RevenueBase Database · checked Sep 19, 2026
11	Servitech Énergie INC	Indirect evidence	Boucherville, QC, CanadaHQ checked Sep 19, 2026	51-200	19 contacts →
	Indirect evidence “Servitech Énergie, c'est une équipe d'experts qui vous accompagne dans la gestion de votre chaufferie; que ce soit pour sa modernisation, son optimisation, une réparation ou un…” Source: RevenueBase Database · checked Sep 19, 2026
12	Camus Hydronics, LTD	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 19, 2026	51-200	17 contacts →
	Indirect evidence “CAMUS® Hydronics Ltd.” Source: RevenueBase Database · checked Sep 19, 2026
13	Lambert Plumbing & Heating	Indirect evidence	Burnaby, BC, CanadaHQ checked Sep 19, 2026	51-200	16 contacts →
	Indirect evidence “Your 24/7 Fast, Friendly, Plumbing Experts since 1977.” Source: RevenueBase Database · checked Sep 19, 2026
14	Matco Ltée	Indirect evidence	Montréal-nord, QC, CanadaHQ checked Sep 19, 2026	11-50	16 contacts →
	Indirect evidence “MATCO, c’est 70 ans d’expertise dans la distribution, l’entretien et la réparation de chaudières et de chauffe-eaux commerciaux et industriels.” Source: RevenueBase Database · checked Sep 19, 2026
15	Simcoe Muskoka Home Comfort	Indirect evidence	Orillia, ON, CanadaHQ checked Sep 19, 2026	11-50	15 contacts →
	Indirect evidence “Simcoe Muskoka Home Comfort is an HVAC company founded on the values of honesty, integrity, quality and transparency – these values translate into our commitment to our customers…” Source: RevenueBase Database · checked Sep 19, 2026
16	Clow Darling LTD	Partial evidence	Thunder Bay, ON, CanadaHQ checked Sep 19, 2026	51-200	13 contacts →
	Partial evidence “Clow Darling is the largest complete mechanical service contractor in Northwestern Ontario specializing in plumbing, heating, cooling, boilers and piping for the industrial…” Source: RevenueBase Database · checked Sep 19, 2026
17	Johnson Paterson INC	Strong evidence	Newmarket, ON, CanadaHQ checked Sep 19, 2026	11-50	13 contacts →
	Strong evidence “We are a family-owned and operated business for 3 generations, specializing in preventative maintenance, emergency repairs, new installations, and retrofits.” Source: RevenueBase Database · checked Sep 19, 2026
18	RAM Mechanical LTD	Indirect evidence	Burnaby, BC, CanadaHQ checked Sep 19, 2026	11-50	12 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
19	Dynamic Heating & AIR Conditioning INC	Indirect evidence	Edmonton, AB, CanadaHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence “Dynamic Heating & Air Conditioning was established in 2001 with the intent to provide the best possible HVAC service.” Source: RevenueBase Database · checked Sep 19, 2026
20	Reid Brothers Plumbing & Heating LTD	Indirect evidence	Vancouver, BC, CanadaHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 19, 2026
21	LOGIC	Indirect evidence	Québec, QC, CanadaHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence “Entreprise de plomberie, électricité, chauffage, climatisation et gaz à Québec, LOGIC réunit tous les experts certifiés dont vous avez besoin sous un même toit.” Source: RevenueBase Database · checked Sep 19, 2026
22	KRR INC	Indirect evidence	Stratford, ON, CanadaHQ checked Sep 19, 2026	11-50	10 contacts →
	Indirect evidence “Industrial: At KRR Inc, industrial/commercial installations are a challenging and rewarding part of our business.” Source: RevenueBase Database · checked Sep 19, 2026
23	Mac's Heating LTD	Indirect evidence	Victoria, BC, CanadaHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence “Mac’s Heating primarily serves the needs of property managers, industrial and process customers.” Source: RevenueBase Database · checked Sep 19, 2026
24	Expert Mechanical Services	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 19, 2026	11-50	9 contacts →
	Indirect evidence “Furnace, AC installation & Service.” Source: RevenueBase Database · checked Sep 19, 2026
25	Central Hydronics INC	Indirect evidence	Winnipeg, MB, CanadaHQ checked Sep 19, 2026	1-10	8 contacts →
	Indirect evidence “Central Hydronics Inc, established in Winnipeg in is a locally owned and operated Steam and Hot Water Heating/Process Equipment Supplier.” Source: RevenueBase Database · checked Sep 19, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: boiler repair and maintenance services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names boiler repair and maintenance services.
Partial evidence: Its own public description names part of boiler repair and maintenance services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name boiler repair and maintenance services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 253 boiler repair and maintenance services based in Canada

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Boiler repair and maintenance services based in Canada at a glance

As of Sep 19, 2026

33.0%Verified-email coverage

4.6Average contacts per company

1-10Median size (employees)

6.7%Largest-city concentration · Calgary

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

139

11-50

51-200

201-500

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 253 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among boiler repair and maintenance services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Canada whose own description of what they do matches “boiler repair and maintenance services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names boiler repair and maintenance services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among boiler repair and maintenance services, and records with no verified work email. Companies headquartered outside Canada are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 388 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names boiler repair and maintenance services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many boiler repair and maintenance services are there based in Canada?

RevenueBase identified 253 boiler repair and maintenance services headquartered in Canada as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Prime Boiler Services, A Thermogenics Company, headquartered in Red Deer, tops this list with the largest team on record.

Which city has the most boiler repair and maintenance services?

Calgary leads with 17 headquartered companies, followed by Toronto (12) and Burnaby (8).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 388 verified decision-maker contacts tracked across these 253 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.