Best Insulation
Contractors in

Why These Insulation Contractors?

Our goal is to connect people with the best local experts. We scored insulation contractors on more than 25 variables across five categories, and analysed the results to give you a hand-picked list of the best insulation contractors in Seattle, WA.

ReviewedCuratedTop Picks1469213

Our Selection Criteria:

  • 1. Reputation

    A history of delighted customers and outstanding service.

  • 2. Credibility

    Building customer confidence with licensing, accreditations, and awards.

  • 3. Experience

    Masters of their craft, based on years of practical experience and education.

  • 4. Availability

    Consistently approachable and responsive, so customers never feel ignored.

  • 5. Professionalism

    Providing service with honesty, reliability, and respect.

Clean Crawls

Clean Crawls is a leading crawlspace and attic weatherization and pest control provider located in Seattle, Washington that is proud to be a 10-year winner of the Angie's List Super Service Award. They were founded with a mission to provide quality services that give their clients the peace of mind associated with a healthy and clean living space. The team of specialists provide many services including attic and crawlspace insulation replacement and removal, vapor barrier removal and replacement, air sealing, crawlspace and attic deodorizing, heat duct and water pipe wrapping and insulation, pest control solutions, and eco-friendly options like spray foam, cotton batts, and cellulose blow-in.

Seattle, WA(206) 447-9996


Eastside Insulation

Eastside Insulation is a Puget Sound Energy Award-winning company located in Woodinville, Washington that provides quality and trusted services to the members of the community. They have been family-owned since their establishment in 1969, and they pride themselves on providing high-quality products and systems, state-of-the-art technological equipment, skilled and professionally trained installers who maintain an unwavering commitment to quality. Eastside Insulation offers many services including crawl space insulation and cleaning, vapor barriers, attic insulation and cleaning, spray foam and blown in insulation, duct sealing, and sump pump installation.

Woodinville, WA(425) 287-6882


Eco Home Service

Eco Home Service is a full-service roofing and gutter company located Snohomish, Washington that boasts more than 15 years of combined experience. The roofing team is highly skilled, and continues to further their knowledge and increase their skills by consistently participating in various educational courses. The business was founded with a primary goal to become the most respected company in the industry, and to maintain focus on operational excellence. Eco Home Service provides many construction services to their clients including insulation, gutter protection, SBS shingle roofing, and metal roof installation. They have a genuine commitment to continue using only the highest quality, eco-friendly insulation materials such as EcoTouch®, Pink®, Fiberglas™, Batts & Rolls, and ProPink® L77 loose fill insulation.

Snohomish, WA(800) 391-6947


Harbor Foam Inc

Harbor Foam Inc is a prominent insulation services provider located in Seattle, Washington that is recognized as a leader in the Expanded Polystyrene industry. They have more than 100 years of combined experience, and a genuine dedication to completing the job correct and in a timely manner while at the same time never sacrificing their standards for high-quality craftsmanship. The team of installers pride themselves on being innovative, efficient, and flexible.

Seattle, WA(206) 679-5555


Hudson Bay Insulation

Hudson Bay Insulation was established Seattle, Washington in 1990 as a mechanical insulation contracting company that has since evolved along with the customers they serve. They were founded on the core values of dependability, integrity, loyalty, and inherent fun. They offer a variety of services to their clients such as insulation, energy appraisals, construction, freeze protection, personal protection, building and energy code enforcement, weather and vapor barrier protection, and temperature control processing. Hudson Bay Insulation has professional affiliations with several organizations including Associated General Contractors of Washington, the Building Owners and Managers Association, the Master Builders Association, the National Insulation Association, the Northwest Energy Efficiency Council, and the Firestop Contractors International Association.

Seattle, WA(206) 763-9484


Legacy Roofing Northwest

Legacy Roofing Northwest, a division of America 1st Roofing & Builders, Inc., is located in Mukilteo, Washington and was first established in 1986. Since their founding, they have maintained a superior level and standard for excellence, safety, craftsmanship, and customer service. They provide a variety of services including insulation installation and removal, skylight fitting, gutter services, and various roofing services. Legacy Roofing Northwest prides themselves on the benefits of their services to their clients such as energy conservation, cost-saving, and fire, mold, and insect resistance. Their website offers many useful resources including a free estimate link, a services breakdown with descriptions, and their in-house Gold Standard warranty information.

Mukilteo, WA(425) 444-7663


Precision Acoustical LLC

Precision Acoustical LLC is a commercial soundproofing and acoustic services company located in Federal Way, Washington that has more than 40 years of experience. Owner Melvin Smith has been a part of the industry for many decades, and has maintained a genuine pride for his trade, which really sets him apart from his local competitors. The company provides services such as ceiling insulation, suspended acoustical ceilings, seismic upgrades, sound baffles, drywall grids, soundproofing, and fiberglass resin panels. Their services are all offered with warranties and a complete satisfaction guarantee, and referrals are available upon request.

Federal Way, WA(206) 383-5725


Rainier Insulation Services, Inc.

Rainier Insulation Services, Inc. is a commercial and residential insulation company located in Auburn, Washington that prides itself on creating safe, comfortable, and energy-efficient environments for each of their clients. They boast more than 13 years of insulation experience, and maintain a genuine dedication to the wellbeing of clients and their families. Rainier Insulation Services, Inc. provides insulation services for residential spaces, commercial spaces, and remodels, as well as new construction insulation solutions. They use only the finest insulation materials such as fiberglass, cellulose, and spray foam insulation, which are designed to retain heat, thus lowering heating costs. Free, no-obligation estimates can be requested on their website, as well as a breakdown of the brands and ratings of the materials they use.

Auburn, WA(206) 786-1999


Roof4less Roofing Company

Roof4less Roofing Company is a multi-dimensional contracting firm located in Kirkland, Washington that was founded on the values of dependability, honesty, and passion for their trade. They have over 20 years of roofing experience working on many different types of projects including insulation, roofing, siding, gutter, windows, and solar. Roof4less Roofing Company provides many services such as insulation installation and removal, roofing and window replacement and repair, siding replacement, and gutter replacement. The insulation services available are guaranteed to increase home energy-efficiency by up to 30%, and provide energy savings.

Kirkland, WA(888) 777-6720


Secure Comfort Heating & Cooling

Secure Comfort is a multi-faceted heating and cooling company located in Seattle, Washington that is highly skilled and fully equipped to service both commercial and residential clients. They were founded with a goal to ensure that clients remain warm and comfortable in their living spaces, and that they are exceedingly satisfied. Services provided by Secure Comfort include insulation installation and removal, furnace repair, heating and air conditioning services, furnace system installation and maintenance, and duct repair. The insulation used by Secure Comfort is made from high-quality components like fiberglass, mineral wool, plastic and natural fibers, polystyrene, cellulose, cardboard, plastic fill, and foil-faced Kraft paper.

Seattle, WA(425) 244-3038


Specialty Insulation NW

Specialty Insulation NW is a Better Business Bureau-accredited company located in Kirkland, Washington that was originally founded in 1969. They recognized a need in the community for quality installation services and created a response to that demand. The construction teams pride themselves on their expertise and professionalism, and on being capable of completing each job correctly the first time. Specialty Insulation NW offers a variety of services including insulation installation and removal, soundproofing, and rodent remediation for both residential and commercial clients alike. They are committed to using only the finest, environmentally conscious name brand materials like Knauf Insulation, EcoBatt, Jet Stream, Perimeter Plus, and Green Guard.

Kirkland, WA(425) 599-2379


Ucons, LLC

Ucons, LLC is an energy services and utility management firm located in Kirkland, Washington that has many years of experience in the conservation industry. In the 20 years that have passed since their founding, they have become the a leading contractor in the community. They provide a variety of different services to clients such as floor, wall, and ceiling insulation, duct sealing, water pipe wrapping, window replacements, water heater and space conservation, lightning measures, line voltage thermostats, infiltration measures, and furnace filter replacement. Ucons, LLC has maintained an A+ rating from the Better Business Bureau, and is a proud member of various professional organizations including NEEA and Diamond Contractors.

Kirkland, WA(425) 576-8728


Vela Brothers, Inc.

Vela Brothers, Inc. is a prominent weatherization and air quality control company located in Woodinville, Washington that has more than 50 years of combined experience. They specialize in insulation services pertaining to windows and other energy-efficiencies. They provide services such as ductwork, vinyl windows, walls, attic, and crawlspace insulating, air sealing, blower door testing, air quality diagnostic testing, and air quality improvement measures. Vela Brothers, Inc. has earned several certifications including BPI Building Analysis and Envelope Certification, and an EPA Lead Certification.

Woodinville, WA(425) 483-8532


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