Compare the highest-rated insulation professionals in Portland, Oregon. All contractors are licensed, insured, and verified through our rigorous screening process.
A highly-rated, full-service insulation and energy efficiency contractor. They are known for their comprehensive home performance audits, which guide their insulation and air sealing work. They are a certified B-Corp, emphasizing sustainable and ethical business practices.
A local contractor specializing in both residential and commercial insulation. They are praised for their professionalism, clear communication, and expertise in various insulation types, particularly blown-in and batt insulation for attics and walls.
A well-established provider focusing on creating more comfortable and energy-efficient homes. They offer a wide range of services from new installation to removal and replacement of old insulation, with a strong focus on crawl space and basement projects.
The insulation market in Portland is robust and highly competitive, driven by the city's cool, damp climate and a strong cultural emphasis on sustainability and energy efficiency. The average quality of service providers is high, with many contractors holding specialized certifications from organizations like the Building Performance Institute (BPI). Competition is fierce, which benefits consumers through competitive pricing and a focus on customer service. Typical pricing varies significantly based on the project scope and insulation material. Basic attic blown-in cellulose can range from $1,500 to $3,500 for an average home, while comprehensive spray foam projects or full-home insulation upgrades with air sealing can cost $5,000 to $15,000 or more. Many providers are experts in navigating local utility rebates from Energy Trust of Oregon, which can substantially reduce the out-of-pocket cost for homeowners, making energy-efficient upgrades a common investment in the Portland market.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Portland regulations and climate
Get answers to common questions about insulation services in Portland, Oregon.
For Portland's marine west coast climate (Zone 4C), the U.S. Department of Energy recommends an attic insulation R-value of R-49 to R-60. This high level is crucial for retaining heat during our damp, cool winters and for providing a thermal barrier against summer heat, improving year-round comfort and energy efficiency. Properly meeting this target helps combat our high humidity by reducing condensation risks within the building envelope.
The fall and winter rains make moisture management a top priority. Reputable installers will schedule projects during dry spells and will never install insulation (especially blown-in or batt) into wet or damp cavities, as this can lead to mold and reduced effectiveness. They will also conduct thorough moisture inspections beforehand. While insulation can be installed year-round, late spring through early fall often provides the most predictable weather for exterior work like wall insulation.
Yes, Portland homeowners have access to valuable incentives. The Energy Trust of Oregon offers cash rebates for adding insulation in attics, walls, and floors, which can significantly offset project costs. Additionally, Oregon's state law requires utilities to offer weatherization services for income-qualified households. It's best to consult with an insulation contractor who is a Trade Ally with the Energy Trust to ensure you receive all applicable rebates.
Prioritize contractors who are licensed, insured, and have specific experience with Portland's older housing stock, like craftsman bungalows or mid-century ranches. Ensure they are a certified Trade Ally with the Energy Trust of Oregon, as this signifies they understand local efficiency standards and rebate processes. Always ask for local references and verify they conduct a pre-installation energy assessment to identify your home's specific needs.
Insulation is a key solution, but air sealing is the critical first step, especially in our windy, rainy climate. Sealing gaps and leaks in the attic, basement, and around windows/doors prevents moist outdoor air from entering and compromising your insulation's performance. The attic is typically the most cost-effective area to insulate and air seal first, as heat rises and escapes there. A professional energy audit can pinpoint the biggest sources of drafts and heat loss in your specific home.