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.
Denver Spray Foam Insulation
255 S Cherokee St Apt 2234, Denver, CO 80223, USA
60 reviews
Reviews via Google
Mile High Denver Spray Foam Inc.
1780 S Bellaire St, Denver, CO 80222, USA
27 reviews
Reviews via Google
Aurora Insulation Pros
13021 E 21st Ave y145, Aurora, CO 80045, USA
16 reviews
Reviews via Google
Koala Insulation of Boulder
605 E 70th Ave #7, Denver, CO 80229, USA
338 reviews
Reviews via Google
Koala Insulation of Denver
6185 E 56th Ave, Commerce City, CO 80022, USA
164 reviews
Reviews via Google
REenergizeCO
1805 E 58th Ave Unit K, Denver, CO 80216, USA
140 reviews
Reviews via Google
Tumbarello
4122 Peyton Hwy, Peyton, CO 80831, USA
83 reviews
Reviews via Google
Advanced
7120 E 121st Pl, Thornton, CO 80602, USA
71 reviews
Reviews via Google
Koala Insulation of Colorado Springs
5755 Industrial Pl Suite D, Colorado Springs, CO 80916, USA
42 reviews
Reviews via Google
Koala Insulation of Southeast Denver
2721 W Oxford Ave #4, Englewood, CO 80110, USA
158 reviews
Reviews via Google
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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