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Insulation Services in Markham, ON

Compare 26 insulation services contractors near you in Markham and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.

Last updated March 28, 2026

Verified Pro Installers

Other Businesses in This Area

Eco Insulation (York)

5.0
ecoinsulation.ca/location/york

EcoStar Insulation - The spray foam professionals

5.0
ecostarinsulation.caGet a Free Quote

Efficiency Spray Foam Insulation Ltd.

5.06½+ years online
torontosprayfoaminsulation.com/index.html

EverGreen Premium Insulation

5.0
evergreenpremiuminsulation.ca

Insulapack - Insulation Manufacturer

5.0~13 years online
insulapack.com

Logik Roofing & Insulation Richmond Hill

5.0~16 years online
logikroofing.com

PR Foam Insulation Inc.

5.0
prfoaminsulation.ca

Sprayfoam Solutions Toronto Inc

5.0
spfsolutions.ca

Superb Markham Spray Foam Insulation

5.0
markhamsprayfoaminsulation.ca

UCS Spray Foam Insulation

5.0
ucsinsulation.ca

EcoStar Insulation - Spray Foam Professionals

4.9
ecostarinsulation.caGet a Free Quote

Spray Foam GTA/Right Choice Spray Foam

4.99½+ years online
sprayfoamgta.com

Solidcare Home Improvements

4.8
solidcarehomeimprovements.ca

Greenvestment Inc. Home Improvement Solutions. Spray Foam

4.02+ years online
concreterockhomes.comGet a Free Quote

Ecogreen Insulation

1.02½+ years online
ecogreeninsulation.com

Insulation Services in Nearby ON Cities

Brampton(27)Hamilton(25)Kitchener(22)London(22)Mississauga(22)Ottawa(23)Toronto(27)Vaughan(27)

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About Insulation Services in Markham

Insulation services cover attic, wall, floor, and crawl space insulation using materials like fiberglass batts, blown-in cellulose, spray foam, and rigid board. Proper insulation reduces heating and cooling costs and improves comfort year-round.

Typical costs: Attic insulation runs $1,500–$4,000 for a typical home. Spray foam for a crawl space or basement is $2,000–$6,000. Whole-home insulation upgrades can be $5,000–$15,000.

Common projects include:
  • Attic insulation upgrade
  • Spray foam crawl space or basement
  • Wall cavity insulation
  • Weatherization and air sealing
  • Garage insulation

Simple insulation upgrades in existing walls and attics usually don't require permits. If the work involves modifying structure or electrical, permits may apply.

Frequently Asked Questions

How much does insulation services cost in Markham?
Blown-in attic insulation to bring an older home up to current R-value standards runs $1,500–$4,000. Spray foam insulation for a crawl space or rim joist is $2,000–$6,000. Many utility companies offer rebates for insulation upgrades — ask your installer about available incentives.
How do I find a reliable insulation services contractor in Markham?
A good insulation contractor starts with an energy audit or at least an R-value assessment of your current insulation. They should recommend the right material for each area (spray foam for air sealing, blown-in for attics, batts for accessible wall cavities).
Do I need a permit for insulation services in Markham?
Adding insulation to existing spaces (attic blow-in, wall injection) typically doesn't require a permit. If the project involves structural access, like opening walls, permits may be needed.

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