Extra Care insulation
Verified Pro
1+ year online5.0(71)
Insulation Services in Boulder, CO
Compare 29 insulation services contractors near you in Boulder and surrounding area with an average rating of 4.9/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
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Verified Pro Installers
extracareinsulation.com
Efficiency Revolution, LLC
Verified Pro
12½+ years online4.9(53)
Eco Handyman
Verified Pro
21+ years online4.8(94)
Level Up Insulation LLC
Verified Pro
3½+ years online4.8(153)
Bestway Insulation LLC
Verified Pro
25+ years online4.6(65)
Other Businesses in This Area
CR Spray Foam Insulation
1+ year onlineDenver Precision Spray Foam Insulation
5.05½+ years onlineEcoTru Spray Foam Insulation
5.07+ years onlineElite Insulation Contractors Westminster
5.0~3 years onlineMile High Denver Spray Foam Inc.
5.0~5 years onlineOnPoint Denver Spray Foam Insulation
5.05½+ years onlineUnlimited Solutions
5.0~4 years onlineApex Group
4.9~4 years onlineEcoTru Spray Foam Insulation Boulder
4.97+ years onlineKoala Insulation of Boulder
4.97½+ years onlineSimple Home Energy Solutions
4.9~3 years onlineTrust Us Insulation LLC
4.9NetZero Insulation
4.810½+ years onlineRocky Mountain Insulators
4.8~10 years onlineThe Insulation Guys
4.8USA Insulation of Boulder – Fort Collins
4.821+ years onlinePolarPak Foam
4.3Insulation Services in Nearby CO Cities
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Insulation Services in Boulder, CO
Boulder insulation upgrades pay back fast because Front Range elevation (5,400 ft) means heating loads dominate, and Xcel Energy's TOU rates make energy efficiency a quick ROI. Most pre-1990 Boulder homes have R-19 to R-30 attics — well below the modern R-49+ target for Front Range climates. Air sealing before insulation matters in older balloon-frame Mapleton Hill and Newlands homes. Dense-pack cellulose, blown attic insulation, and basement spray-foam are typical retrofits. NeedInstall connects you with Boulder insulation contractors who handle Xcel rebates, blower-door testing, and proper detailing for high-altitude cold.
Boulder attic top-up to R-49+: $2,000-$5,500. Wall dense-pack: $4,500-$11,000 retrofit. Basement spray-foam: $4-$7 per board foot. CO requires a contractor license over $4K. Xcel Energy Home Energy Solutions rebates ($300-$1,500). Blower-door test ($300-$500) often required for rebate qualification.
Frequently Asked Questions
- Worth it on natural gas?
- Yes — Front Range heating loads are significant. R-19 to R-49 attic upgrade saves $300-$700/yr on gas. Payback 4-7 years before rebates, faster after.
- Spray-foam or cellulose?
- Cellulose for attics (better R-value per inch, fills gaps, recycled content). Spray-foam for basements and rim joists where air-sealing matters most. Hybrid approach common in Boulder retrofits.
- Xcel rebate?
- Xcel offers Home Energy Solutions rebates ($300-$1,500) for qualifying upgrades. Pre-approval often required. Your installer should walk you through the application.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Boulder and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.