The Best Insulation Contractors in Donnelly, ID

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

#1

McCall Insulation & Supply

4.8
(95 reviews)
Verified

A highly reputable, locally-owned and operated company that is a cornerstone for building supplies and professional insulation services in the Donnelly and McCall area. They are known for their deep knowledge of local climate challenges and building codes, offering a full suite of insulation solutions from their nearby location.

100 Lick Creek Road, McCall, ID 83638

Specialties & Features

Blown-in insulation
Spray foam insulation
Batt insulation

Business Information

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

Insulate Idaho

4.7
(110 reviews)
Verified

This company specializes specifically in high-performance insulation and air sealing to maximize home energy efficiency. They serve a wide area including the Treasure Valley and the mountain communities like Donnelly. They are noted for their professional crews and expertise in modern techniques like spray foam and dense-pack cellulose.

Servicing Donnelly from their base at 223 E. 36th St, Garden City, ID 83714

Specialties & Features

Spray foam insulation
Energy efficiency audits
Air sealing services

Business Information

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

Summit Insulation

4.6
(80 reviews)
Verified

A dedicated insulation contractor serving the Idaho mountain regions, including Donnelly, Cascade, and McCall. They focus on both residential and commercial projects, with a strong emphasis on insulation removal and replacement, as well as insulating hard-to-treat areas like crawl spaces and basements common in the local housing stock.

Servicing Donnelly from the greater McCall area.

Specialties & Features

Insulation removal and replacement
Basement and crawl space insulation
Attic insulation installation and upgrade

Business Information

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

Why These Are the Top Insulation Contractors in Donnelly

The insulation market in Donnelly, Idaho, is characterized by a high demand for quality services driven by the region's severe mountain winters, where energy efficiency is a primary concern for homeowners. As a smaller community, there are no large national chains operating directly within the city limits. The market is served by a handful of highly specialized, local, and regional contractors from nearby hubs like McCall (10 miles away) and the Treasure Valley (90+ miles away). Competition is moderate but professional, with a focus on expertise over price undercutting. Typical pricing is at a premium compared to less rural areas, reflecting travel costs, the specialized knowledge required for cold-climate building science, and the higher quality materials often used. Homeowners should expect to pay between $1.50 - $2.50 per sq. ft. for blown-in attic insulation and $3.00 - $7.00 per board foot for spray foam, with final costs heavily dependent on project scope and accessibility.

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 Donnelly regulations and climate

Frequently Asked Questions About Insulation in Donnelly

Get answers to common questions about insulation services in Donnelly, Idaho.

1What is the best type of insulation for my home in Donnelly, given our cold winters and variable seasons?

For Donnelly's climate, which features cold, snowy winters and warm summers, a combination of air sealing and high R-value insulation is critical. We typically recommend blown-in cellulose or fiberglass for attics (aiming for R-49 to R-60) and spray foam or dense-pack cellulose in walls for superior air barrier performance. This approach combats heat loss in winter and helps maintain cooler indoor temperatures during our summer months around Lake Cascade.

2How much does insulation installation typically cost for a home in the Donnelly area?

Costs vary based on home size, existing conditions, and material choice, but for a standard Donnelly home, attic insulation can range from $1,500 to $3,500, while whole-house wall insulation may range from $2,500 to $8,000. Regional factors like material transport to our valley location and the prevalence of older cabins and homes needing extensive prep work can influence final pricing. Always get itemized estimates from local providers.

3When is the best time of year to install or upgrade insulation in Donnelly?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer drier weather, which is crucial for certain materials like spray foam, and moderate temperatures that make attic work more bearable. Scheduling outside of the deep winter also avoids the peak heating season rush and ensures your home is fully prepared before the first heavy snowfalls in the Long Valley.

4Are there any local Donnelly or Idaho-specific regulations or rebates for insulation projects?

While Donnelly itself doesn't have unique codes, Idaho follows the International Residential Code (IRC), which sets minimum R-value requirements for our climate zone. Importantly, check for available rebates through Idaho Power's Home Energy Efficiency Program or the Inflation Reduction Act's federal tax credits, which can significantly offset costs for qualified insulation upgrades in our area.

5My Donnelly home is drafty and has ice dams on the roof in winter. Can insulation help?

Absolutely. Ice dams are a common issue here due to heat escaping from a poorly insulated attic, melting snow which then refreezes at the eaves. The solution involves a two-part local best practice: first, air sealing all attic bypasses (like around chimneys and light fixtures), and second, adding sufficient attic insulation to keep the roof deck cold. This prevents the melt-freeze cycle and improves overall comfort and energy efficiency.