Contractors/Colorado/Insulation Contractors
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Colorado Insulation Contractors

Looking for insulation contractors in Colorado? Below are 10 top-rated insulation contractors serving Colorado in 2026 — every one rated 4.0+ stars with 10 or more verified Google reviews. Compare ratings and review counts, then contact them directly by phone or website. No middleman, no lead fees.

Listings are sourced from public Google Business Profiles and sorted by rating. Are you a Colorado insulation contractor? Add your business free below.

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1

Denver Spray Foam Insulation

255 S Cherokee St Apt 2234, Denver, CO 80223, USA

5.0star

60 reviews

Reviews via Google

phone(303) 529-4249
2

Mile High Denver Spray Foam Inc.

1780 S Bellaire St, Denver, CO 80222, USA

5.0star

27 reviews

Reviews via Google

phone(720) 740-4664
3

Aurora Insulation Pros

13021 E 21st Ave y145, Aurora, CO 80045, USA

5.0star

16 reviews

Reviews via Google

phone(720) 776-2710
4

Koala Insulation of Boulder

605 E 70th Ave #7, Denver, CO 80229, USA

4.9star

338 reviews

Reviews via Google

phone(720) 549-8832
5

Koala Insulation of Denver

6185 E 56th Ave, Commerce City, CO 80022, USA

4.9star

164 reviews

Reviews via Google

phone(720) 824-6030
6

REenergizeCO

1805 E 58th Ave Unit K, Denver, CO 80216, USA

4.9star

140 reviews

Reviews via Google

phone(303) 227-1000
7

Tumbarello

4122 Peyton Hwy, Peyton, CO 80831, USA

4.9star

83 reviews

Reviews via Google

phone(719) 209-5189
8

Advanced

7120 E 121st Pl, Thornton, CO 80602, USA

4.9star

71 reviews

Reviews via Google

phone(720) 990-1332
9

Koala Insulation of Colorado Springs

5755 Industrial Pl Suite D, Colorado Springs, CO 80916, USA

4.9star

42 reviews

Reviews via Google

phone(719) 394-0033
10

Koala Insulation of Southeast Denver

2721 W Oxford Ave #4, Englewood, CO 80110, USA

4.8star

158 reviews

Reviews via Google

phone(303) 843-8728

Data sourced from Google Places. Updated April 12, 2026.

Hiring an Insulation Contractor in Colorado

Buildermuse currently lists 10 insulation contractors in Colorado, averaging 4.9 stars across 1,099 verified Google reviews. That is an unusually strong field — when nearly every firm clears 4.8 stars, response time and availability become the real differentiators, so call two or three rather than only the top result. Most of the crews above operate out of Denver, Aurora, and Colorado Springs.

Colorado does not require a state-level general contractor license. Licensing is handled by individual cities and counties. Denver, Colorado Springs, and Aurora each have their own licensing requirements. State-level licenses exist for electrical and plumbing only. With no statewide license for this work, checking city and county requirements — plus active insurance — falls on you as the hiring party.

Labor is the biggest line item on most bids, and the Colorado market sets the floor: construction workers here average $37.92 an hour — about $78,884 a year — across 189,477 workers statewide, per Bureau of Labor Statistics data. Use that figure as a sanity check when comparing quotes — a bid priced far below market labor rates usually means subcontracted or uninsured crews.

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