Company lists · Data refreshed September 2026

Top 25 Energy efficient window contractors based in Canada

Name: Energy efficient window contractors based in Canada
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 16, 2026 169 companies tracked

RevenueBase identified 169 energy efficient window contractors headquartered in Canada as of September 2026 and tracks 1,083 professional contacts across them, including 272 with verified work emails. Toronto is the largest hub.

This list covers energy efficient window contractors 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 16, 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 16, 2026 86% judged on-target in blind review

169Companies

1,083Contacts tracked

272Verified emails

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The 25 largest energy efficient window contractors based in Canada

Ranked by team size

Top 25 of 169 energy efficient window contractors based in Canada, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to energy efficient window contractors: 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	Ecoline Windows	Partial evidence	Calgary, AB, CanadaHQ checked Sep 16, 2026	51-200	93 contacts →
	Partial evidence “We specialize in replacement windows for the residential market and work directly with homeowners.” Source: RevenueBase Database · checked Sep 16, 2026
2	Nordik Windows And Doors	Partial evidence	Mississauga, ON, CanadaHQ checked Sep 16, 2026	201-500	70 contacts →
	Partial evidence “Nordik Windows and its partner companies have been providing the complete customer experience in window and door replacement.” Source: RevenueBase Database · checked Sep 16, 2026
3	Cascadia Windows & Doors	Partial evidence	Langley, BC, CanadaHQ checked Sep 16, 2026	51-200	65 contacts →
	Partial evidence “We make sustainable, high performance fiberglass products that help save buildings energy.” Source: RevenueBase Database · checked Sep 16, 2026
4	Great Canadian	Strong evidence	Edmonton, AB, CanadaHQ checked Sep 16, 2026	11-50	44 contacts →
	Strong evidence “Great Canadian sells energy-efficient, new-construction and renovation materials for homes and commercial properties.” Source: RevenueBase Database · checked Sep 16, 2026
5	Maritime Door & Window	Partial evidence	Moncton, NB, CanadaHQ checked Sep 16, 2026	51-200	37 contacts →
	Partial evidence “For over 50 years, through innovation, superior craftsmanship and a relentless commitment to client satisfaction, Maritime Door & Window Ltd has evolved as a valued choice among…” Source: RevenueBase Database · checked Sep 16, 2026
6	Landmark Home Solutions	Indirect evidence	Hamilton, ON, CanadaHQ checked Sep 16, 2026	201-500	32 contacts →
	Indirect evidence “Landmark Home Solutions has been supplying comfort and peace of mind to homeowners across Ontario since 1987.” Source: RevenueBase Database · checked Sep 16, 2026
7	West Coast Windows	Partial evidence	Delta, BC, CanadaHQ checked Sep 16, 2026	11-50	24 contacts →
	Partial evidence “West Coast Windows has been one of the Lower Mainland's leading custom vinyl window and door manufacturers for over 30 years.” Source: RevenueBase Database · checked Sep 16, 2026
8	Président Portes ET Fenêtres	Indirect evidence	Longueuil, QC, CanadaHQ checked Sep 16, 2026	51-200	17 contacts →
	Indirect evidence “Portes et Fenêtres Président est fier d’offrir en exclusivité au Québec la Technologie Iso-Therma avec ses cadres et volets isolés à la mousse d'uréthane qui augmentent…” Source: RevenueBase Database · checked Sep 16, 2026
9	Solution Isolation	Strong evidence	Beloeil, QC, CanadaHQ checked Sep 16, 2026	11-50	17 contacts →
	Strong evidence “About us At Solution Isolation, we pride ourselves on providing exceptional insulation solutions to homeowners across Québec As a company dedicated to energy efficiency and…” Source: RevenueBase Database · checked Sep 16, 2026
10	Fibertec Window And Door Group	Strong evidence	North York, ON, CanadaHQ checked Sep 16, 2026	11-50	16 contacts →
	Strong evidence “Fibertec specializes in genuinely energy-efficient windows and high-performance fiberglass windows and doors in North America for the residential and commercial markets.” Source: RevenueBase Database · checked Sep 16, 2026
11	Hansen Solar Energy	Strong evidence	Charlottetown, PE, CanadaHQ checked Sep 16, 2026	11-50	14 contacts →
	Strong evidence “Hansen Solar Energy is Atlantic Canada’s trusted partner for solar and home-efficiency upgrades.” Source: RevenueBase Database · checked Sep 16, 2026
12	MJM Energy	Strong evidence	Dartmouth, NS, CanadaHQ checked Sep 16, 2026	11-50	14 contacts →
	Strong evidence “As Building Performance Contractors we specialize in services that cover all aspects of improving your home’s performance and energy efficiency.” Source: RevenueBase Database · checked Sep 16, 2026
13	Lorendo Portes ET Fenêtres INC	Indirect evidence	Montmagny, QC, CanadaHQ checked Sep 16, 2026	51-200	13 contacts →
	Indirect evidence “PERFORMANCE ET QUALITÉ À JUSTE PRIX Depuis plus de 105 ans, nous œuvrons dans la fabrication sur mesure de portes et fenêtres à haut rendement énergétique.” Source: RevenueBase Database · checked Sep 16, 2026
14	Legacy Windows & Doors	Partial evidence	Surrey, BC, CanadaHQ checked Sep 16, 2026	11-50	12 contacts →
	Partial evidence “Legacy Windows & Doors offers window, door, and siding products and replacement services for discerning clients.” Source: RevenueBase Database · checked Sep 16, 2026
15	Maxgreen Windows, Siding And Roofing	Partial evidence	Calgary, AB, CanadaHQ checked Sep 16, 2026	11-50	10 contacts →
	Partial evidence “MAXgreen Windows, Siding and Roofing offers high quality and premium value professional Exterior Renovation services for Residential and Light Commercial Properties.” Source: RevenueBase Database · checked Sep 16, 2026
16	Casa Bella Windows And Doors	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 16, 2026	201-500	10 contacts →
	Indirect evidence “BETTER INSTALLATION.” Source: RevenueBase Database · checked Sep 16, 2026
17	Muskoka Window And Door Centre	Partial evidence	Bracebridge, ON, CanadaHQ checked Sep 16, 2026	11-50	10 contacts →
	Partial evidence “We offer a unique and superb selection of windows and doors from North America’s finest manufacturers.” Source: RevenueBase Database · checked Sep 16, 2026
18	Long Life Windows And Doors	Partial evidence	Vancouver, BC, CanadaHQ checked Sep 16, 2026	11-50	9 contacts →
	Partial evidence “At Long Life, we specialize in three things: replacement windows, replacement doors, and exceptional installation service.” Source: RevenueBase Database · checked Sep 16, 2026
19	Everflow Eaves & Exteriors INC	Indirect evidence	Regina, SK, CanadaHQ checked Sep 16, 2026	51-200	8 contacts →
	Indirect evidence “Everflow specializes in all types of exterior supply and install for residential homes and commercial projects.” Source: RevenueBase Database · checked Sep 16, 2026
20	Buildmart Windows And Doors	Partial evidence	Ottawa, ON, CanadaHQ checked Sep 16, 2026	1-10	7 contacts →
	Partial evidence “Buildmart Windows and Doors began its journey in 2006 as a windows and doors installation business, becoming a full-scale provider of quality windows and doors after incporating…” Source: RevenueBase Database · checked Sep 16, 2026
21	Complete Windows & Doors	Partial evidence	Barrie, ON, CanadaHQ checked Sep 16, 2026	11-50	7 contacts →
	Partial evidence “Our team at Complete Windows & Doors boasts decades of collective experience in the renovation industry, ensuring that every project benefits from our extensive knowledge and…” Source: RevenueBase Database · checked Sep 16, 2026
22	Forhomes LTD	Indirect evidence	Mississauga, ON, CanadaHQ checked Sep 16, 2026	11-50	6 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
23	Best Solution Windows And Doors LTD	Indirect evidence	Calgary, AB, CanadaHQ checked Sep 16, 2026	1-10	6 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 16, 2026
24	Complete Windows Parksville	Partial evidence	Parksville, BC, CanadaHQ checked Sep 16, 2026	11-50	6 contacts →
	Partial evidence “Complete Windows is a retailer of quality windows and doors, we offer full intallation, design and consultation services.” Source: RevenueBase Database · checked Sep 16, 2026
25	Unger Window & Door LTD	Indirect evidence	Chilliwack, BC, CanadaHQ checked Sep 16, 2026	11-50	5 contacts →
	Indirect evidence “Whether its renovation, new construction, or a commercial project.” Source: RevenueBase Database · checked Sep 16, 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: energy efficient window contractors. 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 energy efficient window contractors.
Partial evidence: Its own public description names part of energy efficient window contractors, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name energy efficient window contractors. 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 169 energy efficient window contractors based in Canada

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Energy efficient window contractors based in Canada at a glance

As of Sep 16, 2026

25.1%Verified-email coverage

6.4Average contacts per company

1-10Median size (employees)

5.9%Largest-city concentration · Toronto

Sep 16, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

Email recency for this list is measured worldwide rather than for Canada, so it is reported there. Company counts and contact totals on this page are exact for Canada, over 169 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 energy efficient window contractors, 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 “energy efficient window contractors”. 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 energy efficient window contractors), 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 energy efficient window contractors, 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, 272 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 16, 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 energy efficient window contractors, 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 energy efficient window contractors are there based in Canada?

RevenueBase identified 169 energy efficient window contractors 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?

Ecoline Windows, headquartered in Calgary, tops this list with the largest team on record.

Which city has the most energy efficient window contractors?

Toronto leads with 10 headquartered companies, followed by Calgary (8) and Winnipeg (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 272 verified decision-maker contacts tracked across these 169 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 16, 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.