Compare the highest-rated insulation professionals in Kenmore, Washington. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly specialized and well-regarded contractor focusing exclusively on insulation and air sealing. They are known for their meticulous work, deep expertise in building science, and excellent customer service. They are a top choice for homeowners seeking comprehensive energy efficiency upgrades.
A local, family-owned insulation contractor with a strong reputation for quality blown-in and batt insulation installations. They are praised for being responsive, professional, and knowledgeable about local utility rebates. They serve the entire Eastside, including Kenmore.
A larger, well-established regional contractor that offers a full suite of insulation services across Washington. Their scale allows them to handle a high volume of jobs and offer robust warranties. They have extensive experience with both residential and commercial projects.
** The insulation market in Kenmore and the broader North King/Snohomish County area is competitive and of generally high quality. Homeowners in this region are typically environmentally conscious and motivated by both comfort and energy savings, driving demand for advanced services like spray foam and comprehensive air sealing. The market is a mix of specialized, high-end contractors (like Sound Insulation) and larger, full-service companies (like Evergreen). **Competition Level:** High. There are numerous reputable contractors, requiring companies to maintain high standards of workmanship and customer service to compete. **Average Quality:** Very Good to Excellent. The top-tier providers are well-versed in modern building codes, energy efficiency standards (like ENERGY STAR), and the specific moisture management needs of the Pacific Northwest climate. **Typical Pricing:** Pricing is at a premium due to the high cost of living and skilled labor in the Seattle metro area. As a rough guide: * **Blown-In Attic Insulation:** $1,500 - $4,500 * **Spray Foam Insulation (roof/attic):** $4,500 - $10,000+ * **Wall Insulation (blown-in):** $2,000 - $5,000 * **Crawl Space Encapsulation:** $3,000 - $8,000 Many providers offer free estimates, and it is highly recommended to consult with 2-3 companies. Homeowners should also inquire about available rebates from Snohomish County PUD and Puget Sound Energy, which can significantly offset project costs.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Kenmore regulations and climate
Get answers to common questions about insulation services in Kenmore, Washington.
Kenmore's marine west coast climate means damp, mild winters and relatively dry summers. The priority is managing moisture to prevent mold while retaining heat. We recommend materials with strong moisture resistance, like closed-cell spray foam for air sealing or damp-spray cellulose, and ensuring proper attic ventilation to handle our frequent dampness. Insulation levels should meet or exceed Washington State Energy Code's recommended R-values for our Zone 3.
Costs vary by material, home size, and existing conditions. For a standard 1,500 sq ft attic, adding blown-in cellulose ranges from $1,500 to $2,800, while spray foam can be $3,500 to $7,000+. Local factors like Seattle-area labor rates and the need for mold remediation in older homes can affect price. Always get itemized quotes from local providers that include air sealing, which is critical for our climate.
Insulation can be installed year-round, but the ideal window is late spring through early fall (May to September). This avoids our rainy season, allowing for drier attic conditions and safer handling of materials. Scheduling during this drier period also ensures contractors are more readily available compared to the last-minute rush in early fall when homeowners prepare for winter.
Verify they are licensed, bonded, and insured in Washington State. Choose a contractor experienced with local moisture challenges and ask for proof of work on similar Kenmore or Northshore area homes. They should perform a thorough energy assessment, discuss compliance with Washington's Ventilation and Indoor Air Quality Code (WAC 51-52), and provide clear details on material R-values and vapor retarder strategies.
Begin with a professional energy audit, which may qualify for rebates through local utilities like PSE. The audit will identify the biggest air leaks and insulation gaps. In our area, prioritizing air sealing in the attic and basement rim joists is often the most cost-effective first step, followed by upgrading attic insulation to at least R-49, as heat rises and escapes quickly through the roof.