Compare the highest-rated insulation professionals in Kent, Washington. All contractors are licensed, insured, and verified through our rigorous screening process.
A long-standing, regional leader in home energy efficiency solutions. They are known for their professional crews, comprehensive energy audits, and expertise in a wide range of insulation types, including their proprietary blown-in fiberglass system. They are a go-to provider for both retrofit projects and new construction.
A highly-rated, family-owned contractor with a strong focus on the Greater Seattle area, including Kent. They offer a full suite of insulation services and are particularly noted for their expertise in spray foam and their thorough attic insulation and air sealing packages, often highlighted on local news as industry experts.
A local Kent-area contractor that provides a more personalized service experience. They specialize in both insulation and window replacement, allowing them to address home energy efficiency from multiple angles. They receive consistent praise for their customer service and quality workmanship on insulation removal and replacement projects.
The insulation market in Kent, Washington, is competitive and service-rich, driven by the city's mix of older housing stock and new developments, combined with a regional focus on energy conservation. The average quality of providers is high, as Washington state has strong licensing and building code requirements, particularly for energy efficiency (Washington State Energy Code). Competition is robust, with a mix of large regional players (like Washington Energy) and specialized local contractors (like Pacific Sun). Pricing is typically mid-to-high range, reflecting the skilled labor and quality materials required, but homeowners have access to significant rebates and financing options from sources like Puget Sound Energy and the Federal energy efficiency tax credits, which help offset costs. Common projects include upgrading under-insulated attics in homes built before the 1990s and adding crawl space insulation to improve comfort and reduce moisture issues.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Kent regulations and climate
Get answers to common questions about insulation services in Kent, Washington.
For Kent's Marine West Coast climate, the U.S. Department of Energy recommends attic insulation levels of R-49 to R-60. This high R-value is crucial to combat our damp, cool winters and retain heat efficiently, while also helping manage summer heat gain. Local building codes often align with these recommendations to ensure energy efficiency and comfort year-round.
For a typical Kent home, adding attic insulation can range from $1,500 to $3,500, depending on square footage, material, and existing conditions. Homeowners should check for incentives from Puget Sound Energy (PSE), which often offers rebates for insulation upgrades, and Washington State's sales tax exemption on eligible energy efficiency services, making projects more affordable.
The ideal time is late spring through early fall (May to September) when our weather is driest, allowing for safer attic work and proper ventilation during installation. While professional installers work year-round, our frequent fall and winter rain can sometimes delay exterior prep work or material delivery, so scheduling ahead is advised.
Prioritize contractors licensed, bonded, and insured in Washington State, and look for specific experience with our regional moisture challenges. Check for strong local references and ask if they conduct a pre-installation energy audit. A reputable Kent provider will be familiar with local building codes and PSE's incentive program requirements to ensure proper compliance.
Yes, insufficient or improperly installed insulation is a common cause of these issues in our climate. It can lead to thermal bridging and cold spots where condensation forms, promoting mold and mildew. A professional assessment can identify if upgrading insulation and improving air sealing in your walls or attic will help manage indoor humidity and prevent moisture damage.