Insulation Services in Kent, WA

Compare 25 insulation services contractors near you in Kent 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 23, 2026

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seattle-insulation.com

6½+ years online
seattle-insulation.com

316 Insulation Auburn

5.07½+ years online
316insulationservices.comGet a Free Quote

ACE CRAWLSPACE PRO LLC

5.0~2 years online
insulationcontractor-wa.com

Alcal Specialty Contracting Kent - Home Service Division

5.029 years online
alcal.comGet a Free Quote

ASAP Insulation & Spray Foam

5.0

AT Spray Foam Insulation Olympia

5.018+ years online
at-foam.com/contact-us

Harrington Insulation

5.0

Spray Foam Insulation of Kent

5.0

Absolute Spray Foam Insulation Auburn

4.93½+ years online
auburnwainsulation.com

Green Attic

4.91+ year online
greenatticwa.com

INSULATION PRO INC

4.9
insulationpro.co

DANE'S Attic Insulation & Roofing Services Inc, WA

4.7

IDI: Insulation Distributors Inc.

4.714½+ years online
idi-insulation.com/location/tacoma-waGet a Free Quote

Insulation Contractors of WA

4.526½+ years online
iconinsul.com

Bay Insulation Supply of Washington

4.428 years online
bayinsulationsupply.com

Service Partners

4.227½+ years online
service-partners.com/branches/wa/seattle/a37

Stone Insulation Service

4.03½+ years online
stoneinsulationservice.com

Thermal Northwest Inc

3.7

Insulation Services in Nearby WA Cities

About Insulation Services in Kent

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 Kent?
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 Kent?
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 Kent?
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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