The Best Insulation Contractors in Anchorage, AK

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

#1

Alaska Energy Star

4.8
(180 reviews)
Verified

A leading provider of comprehensive insulation and energy efficiency solutions in Southcentral Alaska. They are highly regarded for their professional energy audits and expertise in advanced techniques like spray foam and dense-pack cellulose, helping homeowners significantly reduce heating costs.

601 E 57th Ave, Anchorage, AK 99518

Specialties & Features

Energy Efficiency Audits
Spray Foam Insulation
Air Sealing Services

Business Information

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

Arctic Insulation

4.7
(130 reviews)
Verified

A well-established contractor specializing in both residential and commercial insulation. They are known for their reliable service, expertise in blown-in insulation for existing walls and attics, and knowledge of local building codes and rebate programs.

1551 E 66th Ave, Anchorage, AK 99518

Specialties & Features

Blown-In Insulation
Attic Insulation Installation and Upgrade
Wall Insulation Services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Polar Service

4.6
(90 reviews)
Verified

A reputable company that offers a wide range of insulation services with a strong focus on customer satisfaction. They excel at insulation removal and replacement projects, as well as insulating hard-to-reach areas like crawl spaces and basements to create a complete thermal envelope.

6411 A St, Anchorage, AK 99518

Specialties & Features

Insulation Removal and Replacement
Basement and Crawl Space Insulation
Attic Insulation Upgrade

Business Information

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

Why These Are the Top Insulation Contractors in Anchorage

** The insulation market in Anchorage is characterized by high demand driven by the extreme subarctic climate, where effective insulation is not a luxury but a necessity for comfort and cost-efficiency. The market features a mix of long-standing local specialists and general contractors who offer insulation among other services. The competition is strong among the top-tier specialists, who differentiate themselves through advanced training (e.g., BPI certification), expertise in air sealing, and knowledge of local utility rebates (e.g., from Enstar Natural Gas or Chugach Electric). The average quality of specialized providers is high, as the harsh environment demands proper installation to prevent issues like ice damming and frozen pipes. Pricing is typically above the national average due to the high cost of materials and operating expenses in Alaska. For a standard attic blow-in with cellulose, homeowners can expect prices in the range of $1,500 - $3,500, while more complex services like full-wall dense-pack or spray foam insulation can range from $2,500 to $10,000+ depending on the home's size and scope. Energy audits are a common and valuable starting point, typically costing between $300 and $600.

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 Anchorage regulations and climate

Frequently Asked Questions About Insulation in Anchorage

Get answers to common questions about insulation services in Anchorage, Alaska.

1What R-value is recommended for attic insulation in Anchorage, and why is it so high?

For new construction or major renovations in Anchorage, the recommended attic insulation level is R-49 to R-60. This exceptionally high value is mandated by the Alaska Building Energy Efficiency Standard (BEES) to combat our extreme subarctic climate. Properly achieving this R-value is critical to prevent heat loss, reduce massive heating bills, and mitigate ice dam formation on roofs.

2When is the best time of year to schedule insulation work in Anchorage?

The ideal time is during the drier months of late spring, summer, and early fall (May through September). This allows for safer attic work (as attics are less frigid) and proper installation of materials like spray foam that require specific temperature ranges. Scheduling well in advance is key, as reputable contractors book up quickly for these prime-weather windows.

3Are there specific insulation concerns for homes in Anchorage related to moisture and ventilation?

Absolutely. In our climate, managing interior moisture and ensuring proper ventilation is paramount to prevent condensation within wall cavities and attics, which can lead to mold and rot. A professional assessment should include checking that existing ventilation (soffit, ridge, or gable vents) is not blocked by new insulation and discussing vapor barrier strategies appropriate for our cold, long heating season.

4How do I choose a reputable insulation contractor in Anchorage?

Look for contractors licensed in Alaska with specific experience in cold-climate insulation solutions. Verify they carry proper liability and workers' compensation insurance. Ask for local references and examples of past work, and ensure they provide a detailed written estimate that includes the specific materials, R-values, and a comprehensive air-sealing plan, which is as important as the insulation itself.

5What are the most cost-effective insulation upgrades for older Anchorage homes?

The highest priority is typically adding attic insulation to reach the recommended R-49+ level, as heat rises and escapes most readily there. Next, professionally air-sealing gaps, cracks, and penetrations in the attic floor and around windows/doors provides a significant return on investment. For many older homes, these two steps dramatically improve comfort and reduce energy costs more immediately than wall insulation.