The Best Insulation Contractors in Denver, CO

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

#1

American Air & Insulation

4.8
(250 reviews)
Verified

A leading provider specializing in high-performance spray foam and blown-in insulation for residential and commercial properties. They are well-regarded for their expertise in creating air-tight seals and improving home energy efficiency, often working in conjunction with energy audits.

4685 Havana St, Denver, CO 80239

Specialties & Features

Spray foam insulation
Blown-in insulation
Air sealing services

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Oak Leaf Construction & Insulation

4.7
(180 reviews)
Verified

A highly-rated, locally-owned company that emphasizes comprehensive home performance solutions. They combine insulation services with energy audits to diagnose and treat a home's entire thermal envelope, from attic to basement.

8000 E Prentice Ave, Greenwood Village, CO 80111 (Serves Denver Metro)

Specialties & Features

Energy efficiency audits
Attic insulation installation and upgrade
Insulation removal and replacement

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

RetroGreen Energy Solutions

4.6
(150 reviews)
Verified

Known for a strong focus on historic home retrofits and modern energy efficiency upgrades. They offer a wide range of services, including challenging wall insulation projects and crawl space encapsulation, with deep knowledge of local rebate programs.

1495 W 52nd Ave, Denver, CO 80221

Specialties & Features

Wall insulation services
Basement and crawl space insulation
Blown-in insulation

Business Information

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

Why These Are the Top Insulation Contractors in Denver

The insulation market in Denver is robust and competitive, driven by the city's fluctuating climate with cold winters and hot summers, which creates a high demand for energy-efficient home solutions. The average quality of service is high, with numerous providers holding advanced certifications from organizations like BPI (Building Performance Institute) and being partners with programs like the Xcel Energy Rebate program. Competition is strong, pushing companies to offer comprehensive services that include energy audits and air sealing alongside standard insulation installation. Typical pricing varies significantly based on the project scope and material; a basic attic blow-in with cellulose can range from $1,500 to $3,000, while a full home spray foam application can cost $10,000 or more. Homeowners are generally well-informed and value providers who can navigate local utility rebates and building codes effectively.

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 Denver regulations and climate

Frequently Asked Questions About Insulation in Denver

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

1What is the recommended R-value for attic insulation in Denver, and why is it different from other parts of the country?

For Denver's climate zone (Zone 5), the U.S. Department of Energy recommends an attic R-value of R-49 to R-60. This high recommendation is due to our significant temperature swings, cold winters, and the need for energy efficiency in both heating and cooling. Properly achieving this R-value typically requires adding dense-pack cellulose or blown-in fiberglass over existing insulation, which is a common service provided by local contractors.

2How does Denver's dry climate and altitude affect the choice of insulation materials?

Denver's arid climate reduces concerns about moisture absorption for materials like cellulose, making it a very effective and popular choice. However, the dry air also increases the risk of static electricity and dust during installation, which reputable installers manage with proper equipment and sealing techniques. Additionally, some spray foam products may require specific adjustments for proper curing at our higher altitude, so it's crucial to hire an experienced local installer familiar with these nuances.

3When is the best time of year to get insulation installed in my Denver home?

While insulation can be installed year-round, late summer and fall are ideal times in Denver. Scheduling during this period ensures your home is prepared for winter's cold, and contractors are more readily available before the seasonal rush. It's also more comfortable for workers atticking your home before extreme winter temperatures set in. Avoid the peak of winter if possible, as snow and ice can complicate access and material delivery.

4Are there any local rebates or incentives in Colorado for upgrading my home's insulation?

Yes, Colorado homeowners have excellent incentive opportunities. Xcel Energy offers significant rebates for insulation upgrades through its Energy Efficiency program, and many other local utilities have similar offers. Furthermore, the state's Clean Heat Fund provides incentives for home electrification and efficiency improvements. A qualified local insulation contractor will be up-to-date on these programs and can often help you navigate the application process to maximize your savings.

5What should I look for when choosing an insulation contractor in the Denver metro area?

First, verify the contractor is licensed and insured in Colorado and has specific experience with Denver's building codes and climate. Look for established companies that perform a thorough energy audit or assessment before quoting. Check for certifications from manufacturers (like Owens Corning or Johns Manville) and membership in local trade associations. Always get multiple detailed quotes that include the specific R-value to be achieved, air sealing details, and a clear explanation of how they will handle Denver's common issues like recessed lighting or attic bypasses.