Top-Rated Insulation Installers in Chicago, IL

4 local companies ranked by 222 Google reviews. Free to compare, no sign-up.

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

4Companies
222Google reviews
4.7★Average rating
Oct 2026Data collected
Ranked by Google reviewsNever paid forFree to compare

Short answer: The top-rated insulation installers in Chicago are Clean Air Doctors | Insulation Company | Spray Foam Insulation (4.8★, 114 reviews), Chicago Spray Foam Insulation Pros (5.0★, 18 reviews), AirSeal Ventilation (5.0★, 14 reviews).

Insulation installers in Chicago, ranked 4 listed

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  1. 1
    Clean Air Doctors | Insulation Company | Spray Foam InsulationTop pickMost reviews
    4.8 (114 Google reviews)
    5318 N Clark St, Chicago, IL 60640
    Call (773) 669-6139WebsiteGoogle reviewsDirectionsEmail [email protected]
  2. 2
    Chicago Spray Foam Insulation ProsTop pick
    5.0 (18 Google reviews)
    3525 W Jackson Blvd, Chicago, IL 60624
    Call (773) 692-9021WebsiteGoogle reviewsDirections
  3. 3
    AirSeal VentilationTop pick
    5.0 (14 Google reviews)
    4327 W Irving Park Rd, Chicago, IL 60641
    Call (773) 788-4014WebsiteGoogle reviewsDirections
  4. 4
    Reynoso Insulation
    4.5 (76 Google reviews)
    1940 W 63rd St, Chicago, IL 60636
    Call (773) 301-7061WebsiteGoogle reviewsDirections

Together these 4 companies average 4.7★ across 222 reviews. Clean Air Doctors | Insulation Company | Spray Foam Insulation has the most reviews (114).

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 Chicago

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 Chicagoup to $20,000

That could cut your cost by up to $20,000 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 Chicago

Who is the best insulation installer in Chicago?

Based on Google reviews, the top-rated insulation installers in Chicago are Clean Air Doctors | Insulation Company | Spray Foam Insulation (4.8★, 114 reviews), Chicago Spray Foam Insulation Pros (5.0★, 18 reviews), AirSeal Ventilation (5.0★, 14 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 Chicago ranked?

We list 4 insulation companies in Chicago, ranked by Google rating weighted by review count. Together they have 222 Google reviews and average 4.7 stars, collected October 2026. Clean Air Doctors | Insulation Company | Spray Foam Insulation has the most reviews (114). No company pays to be listed or ranked.

How much does insulation cost in Chicago?

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 Chicago?

Yes. Our verified program data shows insulation rebates up to $20,000 open in Chicago. 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 Chicago. 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 Chicago.

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