Best Insulation Contractors in Lévis, QC

15 contractors listed · 5 in Lévis · 4 open weekends · 13 rated 4.5+ · 11 show a licence

Data verified October 21, 2026

Toitures Paradis

Toitures Paradis

5.0 50 reviews
“The construction of the roof by the team for the work was carried out very well.”
Free estimates15-yr workmanship warranty24/7 emergency serviceSince 2016Serves Rive-Sud de Québec, Rive-Nord de Québec, LévisLicensed
2300 Rue Sainte-Hélène
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Toiture Rhino

Toiture Rhino

4.8 25 reviews
“This is the roofing company to do business with on the south shore of Quebec!!”
Free estimates10-yr warrantyServes Lévis, QuébecLicensedSince 2015
946 CH Terrebone
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Constructions Vincent Ouzilleau

Constructions Vincent Ouzilleau

4.9 14 reviews
“Vincent and his team brought our house up to date according to the established plans, according to our desires and our vision with respect, professionalism, honesty and quality.”
Free estimatesRBQ licence #5639-3556-01Since 2011
1687 Rue Robert Rumilly
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Isolation Idéale Inc

Isolation Idéale Inc

4.8 8 reviews
“Thank you for your professionalism and with a good estimate of the work and clear explanation.”
Since 1953Serves Québec, LévisFamily-ownedLicensed
8390 Av. Sous le Vent
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Toitures Garant et Frères Inc

Toitures Garant et Frères Inc

5.0 1 review
Free estimates30+ yearsServes Capitale-Nationale, Rive-Sud de Québec, Rive-Nord de Québec
6615 Rue Alfred-Pellan
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Isolation Beauport

Isolation Beauport

4.6 48 reviews
“They freed us from all the remains of the old installation and collected all the residue from the new installation.”
Coupons & offersRBQ licence #1708-6265-22Financing availableSince 1978Serves QuébecFamily-owned
Quebec City, QC · 2 km from Levis
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The 15 contractors listed for Lévis, QC insulate attics, basements, headers and crawl spaces. Details under each one about materials, hours and advertised services are copied from the company's own site; star ratings and comments come from public reviews.

Area overview: Lévis, QC

5 of the 15 contractors we list are based in Lévis; the other 10 serve Lévis from Quebec City (2 km) and Saint-Augustin-de-Desmaures (8 km). 14 of the contractors on this page have a rating, from 4.4 to 5.0 across 751 reviews; 4 have 50 or more reviews and 13 are rated 4.5 or higher. When customers rate these contractors on specific qualities, they most often praise professionalism (93%), value (72%) and quality (64%). 4 are open on weekends. 11 show a licence on their websites. 9 have ten or more years of experience, the longest 22 years. 1 lists coupons or special offers. We have a website on file for 14 of the contractors on this page; 13 publish a contact page and 14 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.

How many listings here have a website?

A website is on file for 14 of the 15 contractors here. Look for the materials they install and whether they do attics, basements or both, because plenty of crews specialize in one. Where there is no site, ask the same questions by phone before booking a visit.

Isolation Ecologik

Isolation Ecologik

4.4 45 reviews
“Jean-Sébastien, the advisor, was able to reassure us and answered all our questions.”
Free estimates10-yr warrantySpeaks FrenchFinancing availableServes Greater Québec CitySince 2009
Quebec City, QC · 2 km from Levis
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Superior Insulation

Superior Insulation

4.9 50 reviews
“Great, incredible service, called the day before and the next morning he was there to accommodate me!”
Free estimatesServes Québec City region, Montmagny +4LicensedSince 2011
Saint-Augustin-de-Desmaures, QC · 8 km from Levis
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Isolation Résidentielle Quebec Exl-or

Isolation Résidentielle Quebec Exl-or

5.0 22 reviews
“Jimmy explained the work to be done to me well and the follow-up was perfect.”
Free estimatesInsuredServes Québec, LévisLicensedSince 2019
Quebec City, QC · 2 km from Levis
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Isolation Chaleur Confort

Isolation Chaleur Confort

4.8 2 reviews
“I had my foundation insulated and the job was very well done.”
Free estimatesRBQ licence #8294-5551-03InsuredSince 2003Serves Québec, Portneuf +2
Quebec City, QC · 2 km from Levis
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Isolation Moderne de la Capitale (2016) Inc.

Isolation Moderne de la Capitale (2016) Inc.

5.0 1 review
“Professional, honest and a pleasure to do business with.”
RBQ licence #5732-5789-01Since 2014Serves province of Quebec
Quebec City, QC · 2 km from Levis
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Entreprises S. Gingras

Entreprises S. Gingras

RBQ licence #5774-7487-01
Quebec City, QC · 2 km from Levis
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Toiture Pro Québec

Toiture Pro Québec

LicensedSince 2016
7 km from Levis
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Isolelit

Isolelit

Since 2021
Quebec City, QC · 2 km from Levis
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FL Isolation

FL Isolation

Quebec City, QC · 2 km from Levis
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HomeInsulation CompaniesQuebecLévis, QC

Why these companies made our list

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