#1
Primary Home Improvements
“Craig and Matt were great ! Answered all my questions and did a wonderful job jinstalling my foam insulation . Also cleaned up everything . Thanks Guys !” — Google review
Best Attic Insulation Services in Willowick, OH
The 5 best-rated attic insulation services in Willowick, OH average 4.8★ on Google across 844 reviews. Installed Services Inc. has the top rating (5.0★), and Primary Home Improvements has the most reviews (371). Updated October 27, 2026.
5 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (844 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Installed Services Inc.
“Jeff came to the house to give me a quote on insulation for my garage walls and ceiling attic. Jeff gave me a reasonable price. The insulation time frame to come was great. They came and did a great job. After they…” — Google review
#3
Airlock Insulation LLC
“Attic insulation. My experience with Airlock from salesman Eric to installers Devon, Owen, Alex and Mike was terrific from start to finish. Eric was knowledgeable, thorough, and responsive. I was impressed with the…” — Google review
#4
USA Insulation of Cleveland
“The guys that came out to the house to do the insulation were excellent. Did a very good job. Completely satisfied cleaned up after themselves. Excellent would recommend them to anybody.” — Google review
#5
EST, LLC
“I had a great experience with EST Insulation. They were professional, timely, and, most importantly, very considerate while working in my home. They kept everything clean and left the house in great shape after each…” — Google review
How we pick attic insulation services in Willowick
We scan Google Maps for attic insulation service listings in and around Willowick, keep only open businesses whose main category matches the service, and require a Google rating of at least 4.5 from at least 20 reviews. Companies are ordered by a confidence-weighted score that balances rating and review volume. We do not accept payment for placement.
Frequently asked questions
Who is the highest-rated attic insulation service in Willowick?
Installed Services Inc. has the highest Google rating on our Willowick list: 5.0 out of 5 from 39 reviews (as of October 27, 2026).
Which attic insulation service in Willowick has the most reviews?
Primary Home Improvements has the most Google reviews among the companies listed here: 371, with a 4.9★ average.
How are these attic insulation services chosen?
Only open Willowick-area businesses whose Google category matches the service, rated at least 4.5★ from at least 20 Google reviews. They are ordered by a confidence-weighted score of rating and review volume. Placement is never paid.