Top-Rated Insulation Installers in Spokane, WA

10 local companies ranked by 349 Google reviews. Free to compare, no sign-up.

Ratings and review counts from Google Maps, collected October 2026 · Page updated October 9, 2026

10Companies
349Google reviews
4.7★Average rating
Oct 2026Data collected
Ranked by Google reviewsNever paid forFree to compare

Short answer: The top-rated insulation installers in Spokane are Pacific Insulation & Mold Remediation (4.9★, 141 reviews), HOC Spray Foam Insulation (4.9★, 32 reviews), Attic Crew (5.0★, 17 reviews).

Insulation installers in Spokane, ranked 10 listed

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  1. 1
    Pacific Insulation & Mold RemediationTop pickMost reviews
    4.9 (141 Google reviews)
    15215 E Marietta Ave A101, Spokane Valley, WA 99216
    Call (509) 879-0495WebsiteGoogle reviewsDirectionsEmail [email protected]
  2. 2
    HOC Spray Foam InsulationTop pick
    4.9 (32 Google reviews)
    1819 N Dollar Rd, Spokane Valley, WA 99212
    Call (509) 218-9729WebsiteGoogle reviewsDirectionsEmail [email protected]
  3. 3
    Attic CrewTop pick
    5.0 (17 Google reviews)
    601 W 1st Ave Ste 1400, Spokane, WA 99201
    Call (800) 535-3373WebsiteGoogle reviewsDirections
  4. 4
    Energy Star Insulation
    5.0 (15 Google reviews)
    5424 E Harmon Rd, Spokane, WA 99223
    Call (509) 808-6847WebsiteGoogle reviewsDirections
  5. 5
    USA Insulation of Spokane - CDA
    4.7 (51 Google reviews)
    1624 E Lyons Ave A, Spokane, WA 99217
    Call (509) 862-5655WebsiteGoogle reviewsDirections
  6. 6
    Therma-Lock Insulation
    4.7 (14 Google reviews)
    14404 E Bow Ave, Spokane Valley, WA 99016
    Call (509) 200-7677WebsiteGoogle reviewsDirectionsEmail [email protected]
  7. 7
    Inland Northwest Spray Foam Insulation
    4.4 (20 Google reviews)
    118 E Sanson Ave, Spokane, WA 99207
    Call (509) 471-0006WebsiteGoogle reviewsDirectionsEmail [email protected]
  8. 8
    IDI: Insulation Distributors Inc.
    4.4 (25 Google reviews)
    18412 Garland Ave, Spokane, WA 99216
    Call (509) 590-0581WebsiteGoogle reviewsDirectionsEmail [email protected]
  9. 9
    Intermountain West Insulation
    4.2 (14 Google reviews)
    16314 E Lacrosse Ln, Spokane Valley, WA 99216
    Call (509) 926-3136WebsiteGoogle reviewsDirectionsEmail [email protected]
  10. 10
    Superior Insulation
    4.2 (20 Google reviews)
    5402 N Julia St, Spokane, WA 99217
    Call (509) 443-4398WebsiteGoogle reviewsDirectionsEmail [email protected]

Together these 10 companies average 4.7★ across 349 reviews. Pacific Insulation & Mold Remediation has the most reviews (141).

Ranked by Google rating weighted by review count, collected October 2026. Rankings are never paid for. How we rank and how we make money.

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What a insulation costs in Spokane

Typical installed priceVaries by area

Price depends on which areas you insulate (attic, walls, basement) and how much air sealing is needed. Ask each company for a price per area and the R-value you end up with, so quotes are easy to compare.

Insulation rebates open in Spokaneup to $400

That could cut your cost by up to $400 if you qualify. Most rebates have rules (income, your current heating, a registered contractor, approval before work starts).

Rebates: our verified program data, checked monthly. Always confirm the exact amount for your home.

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Before you hire a insulation installer

  1. Ask whether they will air-seal before insulating, and what they will seal (attic hatch, pot lights, pipes, top plates).
  2. Ask for the R-value before and after for each area, and the material and depth they will install.
  3. Ask whether your rebate needs an energy assessment before and after the work, and who books it.
  4. Ask how they handle ventilation and any old insulation that could contain vermiculite (asbestos risk).

Questions about insulation installers in Spokane

Who is the best insulation installer in Spokane?

Based on Google reviews, the top-rated insulation installers in Spokane are Pacific Insulation & Mold Remediation (4.9★, 141 reviews), HOC Spray Foam Insulation (4.9★, 32 reviews), Attic Crew (5.0★, 17 reviews). We rank by a review-weighted score, so companies with many strong reviews rank above those with only a few.

How are the insulation installers in Spokane ranked?

We list 10 insulation companies in Spokane, ranked by Google rating weighted by review count. Together they have 349 Google reviews and average 4.7 stars, collected October 2026. Pacific Insulation & Mold Remediation has the most reviews (141). No company pays to be listed or ranked.

How much does insulation cost in Spokane?

Insulation prices depend on which areas you insulate (attic, walls, basement) and how much air sealing is needed. Ask each company for a price per area and the R-value you end up with, so quotes are easy to compare.

Are there rebates for insulation in Spokane?

Yes. Our verified program data shows insulation rebates up to $400 open in Spokane. Most rebates have rules, such as income, your current heating, a registered contractor, or approval before work starts, so check the rebate page before you sign.

What should I ask an insulation installer before I hire?

Ask whether they will air-seal before insulating, and what they will seal (attic hatch, pot lights, pipes, top plates). Ask for the R-value before and after for each area, and the material and depth they will install. Ask whether your rebate needs an energy assessment before and after the work, and who books it.

Before you call anyone, check what insulation rebates you can get in Spokane. Many programs require approval or a registered contractor before work starts.

Planning more upgrades? See the top-rated heat pump installers, solar installers, home battery installers in Spokane.

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