Top-Rated Insulation Installers in Glendale, CA

3 local companies ranked by 180 Google reviews. Free to compare, no sign-up.

Ratings collected September 2026 · Page updated September 30, 2026

3Companies
180Google reviews
5.0★Average rating
Sep 2026Data collected
Ranked by Google reviewsNever paid forFree to compare

Short answer: The top-rated insulation installers in Glendale are Attic Projects (5.0★, 125 reviews), Foam Pro Insulation (5.0★, 43 reviews), Glendale Spray Foam Insulation (5.0★, 12 reviews).

Insulation installers in Glendale, ranked 3 listed

Sort by
  1. 1
    Attic ProjectsTop pickMost reviews
    5.0 (125 Google reviews)
    1709 Standard Ave, Glendale, CA 91201
    Call (818) 296-6307WebsiteGoogle reviewsDirectionsEmail [email protected]
  2. 2
    Foam Pro InsulationTop pick
    5.0 (43 Google reviews)
    5021 N 55th Ave Ste 9, Glendale, AZ 85301
    Call (623) 522-1049WebsiteGoogle reviewsDirectionsEmail [email protected]
  3. 3
    Glendale Spray Foam InsulationTop pick
    5.0 (12 Google reviews)
    5872 W Cochise Dr, Glendale, AZ 85302
    Call (623) 288-4043WebsiteGoogle reviewsDirections

Together these 3 companies average 5.0★ across 180 reviews. Attic Projects has the most reviews (125).

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

Listed here? Get your free top-rated badge for your website.

What a insulation costs in Glendale

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.

Rebates open in GlendaleNone confirmed right now

Financing or future programs may still help. Check the rebate page before you sign.

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

Get free quotes from these insulation installers

Pick up to 3 companies and tell them what you want done. We send your request straight to them. Free, no obligation.

Which companies should quote?
What do you want done?

We only share your details with the companies you pick, and never sell them. Privacy policy.

Why insulation matters in Glendale

In Glendale, the average January low is 8°C (47°F), colder than 3% of the 123 cities we track. Winters here are mild, so comfort and summer heat matter as much as heating bills. Air sealing and attic insulation still help most, and they also keep upstairs rooms cooler in summer.

Most rebate programs pay only after an energy assessment, and some need one before the work too. Book it first.

Source: Open-Meteo historical weather data, 2015-2024.

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).

Before you call anyone, check what insulation rebates you can get in Glendale. 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 Glendale.

See every rebate in Glendale

Compare top-rated local installers, ranked by Google reviews, and see the rebates you can stack. Free for homeowners.

See Glendale rebates →
From Sam

Get the monthly rebate update

Once a month: new and changing rebate programs across every province and state we cover, plus what's new in heat pumps, solar and batteries. Short, sourced, no marketing.

No spam, ever. Unsubscribe anytime.

See your rebates and top installers