The Best Insulation Contractors in Littleton, CO

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

#1

Dr. Energy Saver - South Denver

4.8
(200 reviews)
Verified

A highly-rated, full-service insulation and energy efficiency contractor. They are known for their comprehensive home performance audits and advanced solutions like spray foam and cellulose insulation. Their technicians are often BPI certified, indicating a high level of expertise in building science.

9990 Park Meadows Dr, Lone Tree, CO 80124 (Serves Littleton)

Specialties & Features

Energy efficiency audits
Spray foam insulation
Air sealing services

Business Information

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

American Insulation, LLC

4.7
(150 reviews)
Verified

A local, family-owned insulation contractor with a strong focus on customer service and quality installation. They offer a wide range of insulation types and are experienced in both new construction and retrofit projects for existing homes.

5151 S Santa Fe Dr, Littleton, CO 80120

Specialties & Features

Attic insulation installation and upgrade
Blown-in insulation
Basement and crawl space insulation

Business Information

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

Radiant Barrier Depot LLC

4.6
(80 reviews)
Verified

Specializes in attic insulation solutions, including radiant barrier installation, which is highly effective for Colorado's sunny climate. They also provide standard blown-in fiberglass and cellulose, along with insulation removal services.

6501 S Broadway, Littleton, CO 80121

Specialties & Features

Attic insulation installation and upgrade
Insulation removal and replacement
Radiant barrier installation

Business Information

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

Why These Are the Top Insulation Contractors in Littleton

** The insulation market in Littleton is robust and competitive, driven by the city's mix of older homes (requiring upgrades) and new construction, alongside a strong local emphasis on energy efficiency due to fluctuating seasonal temperatures. The average quality of providers is high, with several companies holding specialized certifications (BPI, RESNET) to perform energy audits and qualify homes for rebates. **Competition Level:** High. Homeowners have multiple reputable options, which helps keep pricing competitive and encourages a focus on customer service. **Typical Pricing:** Costs vary significantly based on insulation type and project scope. * **Blown-In Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (closed-cell):** $1.50 - $3.00 per board foot * **Wall Insulation (blown-in):** $1,000 - $4,000 * **Whole-Home Energy Audit:** $300 - $600 Many homeowners take advantage of rebates from Xcel Energy, which are often contingent on a pre-and-post-installation audit conducted by a qualified provider.

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 Littleton regulations and climate

Frequently Asked Questions About Insulation in Littleton

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

1What is the most important type of insulation for Littleton homes given our climate?

For Littleton's climate, with cold winters, hot summers, and significant daily temperature swings, creating a continuous thermal and air barrier is key. The most critical upgrade is often air sealing combined with attic insulation, specifically using blown-in cellulose or fiberglass to achieve a high R-value (recommended R-49 to R-60 for attics here). Properly insulating the attic prevents heat loss in winter and blocks radiant heat gain in summer, addressing both major seasonal challenges.

2How much does adding or upgrading insulation typically cost for a Littleton home?

Costs vary significantly by home size, scope, and insulation material, but for a standard Littleton home, attic insulation can range from $1,500 to $4,500. Regional material costs and local labor rates influence pricing. It's crucial to get itemized quotes from local providers that include air sealing, as this is a vital step for effectiveness. Many Colorado utilities, like Xcel Energy, offer rebates for insulation upgrades, which can substantially reduce the net cost.

3When is the best time of year to schedule insulation work in Littleton?

The ideal times are during Littleton's shoulder seasons—late spring (April-May) and early fall (September-October). These periods typically offer mild, dry weather, which is optimal for attic work and allows for proper ventilation during installation. Scheduling during these windows also ensures your home is prepared before the extreme cold of winter or heat of summer, and you'll find greater contractor availability compared to peak seasons.

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

Always verify the contractor is licensed, insured, and has strong local references. Choose a provider experienced with Colorado's specific building codes and climate challenges. They should perform a thorough energy assessment (many offer this for free) and provide a detailed quote specifying R-values, materials, and air sealing. Be wary of door-to-door sales with high-pressure tactics; reputable Littleton-based companies are established and rely on community reputation.

5My home feels drafty in winter. Is adding more insulation always the solution?

Not necessarily; the primary issue in many older Littleton homes is air leakage, not just insufficient insulation. Gaps around windows, doors, electrical penetrations, and recessed lights allow warm air to escape. A professional assessment should first identify and prioritize air sealing, as adding insulation over significant leaks traps moisture and reduces effectiveness. The solution is often a combination of comprehensive air sealing followed by adding insulation to recommended Colorado R-values.