The Best Insulation Contractors in Boulder, CO

Compare the highest-rated insulation professionals in Boulder, Colorado. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

EcoPro Insulation & Windows

4.8
(240 reviews)
Verified

EcoPro is a highly-rated, locally-focused company that specializes in creating energy-efficient and comfortable homes. They are well-versed in Boulder's specific building codes and green building programs. Their strength lies in a customer-centric approach and expertise in high-performance insulation materials and techniques.

11101 W I-70 Frontage Rd N, Wheat Ridge, CO 80033 (Serves Boulder extensively)

Specialties & Features

Spray foam insulation
Blown-in cellulose
Energy efficiency audits

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Dr. Energy Saver - Boulder

4.7
(180 reviews)
Verified

As part of a national network with a strong local franchise, Dr. Energy Saver brings a scientific, diagnostic approach to insulation. They are experts at identifying the root causes of energy loss and comfort issues, offering comprehensive solutions that often combine air sealing with insulation upgrades.

1331 W 64th Ave, Unit C, Denver, CO 80221 (Serves the entire Front Range, including Boulder)

Specialties & Features

Insulation removal and replacement
Air sealing services
Basement and crawl space insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#3

Radiant Restoration & Insulation

4.6
(90 reviews)
Verified

Radiant Restoration offers a strong combination of insulation and disaster restoration services, which is unique and valuable. This background means they are exceptionally skilled at insulation removal and replacement, particularly in cases of moisture damage or mold, which is a concern in crawl spaces and basements.

11465 W I-70 Frontage Rd N, Wheat Ridge, CO 80033 (A key provider for the Boulder area)

Specialties & Features

Attic insulation installation
Insulation removal
Crawl space encapsulation

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Boulder

The insulation market in Boulder, Colorado, is characterized by high quality, intense competition, and premium pricing. This is driven by the city's leadership in environmental sustainability and its adoption of some of the nation's most rigorous energy codes (like the IRC 2021 with Boulder County amendments). Providers must be experts not only in installation but also in building science, air sealing, and navigating local rebate programs from sources like Xcel Energy. The average competition level is high, with numerous qualified contractors vying for business, which benefits consumers through strong customer service and technical expertise. Typical pricing is above the national average due to the high cost of living, the expertise required, and the quality of materials used (e.g., spray foam). A basic attic blow-in with cellulose might start in the $1,500-$3,000 range, while a full home spray foam application or complex crawl space encapsulation can easily reach $10,000-$20,000 or more, representing a significant but high-return investment in home performance and comfort.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Boulder regulations and climate

Frequently Asked Questions About Insulation in Boulder

Get answers to common questions about insulation services in Boulder, Colorado.

1What are the most important insulation upgrades for Boulder's climate, and what R-values should I target?

For Boulder's cold winters and significant daily temperature swings, focusing on the attic is the most effective first step. The U.S. Department of Energy recommends attic insulation levels of R-49 to R-60 for our climate zone. Additionally, air sealing is critical to prevent drafts from Boulder's strong Chinook and canyon winds, which can drastically undermine insulation performance. Wall and basement/crawlspace insulation are also key for comprehensive comfort and energy savings.

2How does Boulder's altitude and dry climate affect insulation choices and installation?

The dry, high-altitude air in Boulder means moisture management is less about humidity and more about preventing air leakage that can lead to condensation inside walls. This makes proper air sealing and the use of vapor-permeable insulation materials (like blown-in cellulose or fiberglass) important to allow any incidental moisture to dry. Installers must also be adept at sealing the unique gaps common in older Boulder homes, which are prone to significant air infiltration.

3When is the best time of year to get insulation installed in Boulder, and how long does it typically take?

The ideal time is late spring through early fall (May to October) to avoid winter weather delays and to get the work done before heating season. Most single-area projects like attic insulation can be completed in one day, while whole-home retrofits may take 2-4 days. Scheduling in the shoulder seasons is wise, as reputable local contractors book up quickly in the fall as homeowners prepare for winter.

4What should I look for when choosing an insulation contractor in Boulder?

Always verify the contractor is licensed and insured in Colorado. Look for a company with specific experience in Boulder's housing stock, from historic homes to modern builds, and ask about their air sealing protocols. Check for certifications like Building Performance Institute (BPI) and ensure they perform a pre-installation assessment. Also, confirm they understand and can help you navigate local utility rebates from Xcel Energy and other available incentives.

5Are there specific rebates or incentives for insulation in Boulder, and how much does it typically cost?

Yes, Boulder homeowners have access to excellent incentives. Xcel Energy offers significant rebates for attic and wall insulation, and there are federal tax credits available. Costs vary widely; an attic insulation upgrade to R-60 typically ranges from $2,000 to $4,500, but the final cost depends on home size, material, and existing conditions. The rebates can often cover 20-50% of the project cost, improving the payback period to just a few years through energy savings.