#1
Koala Insulation of The East Valley
“bought and delivered as promised. Courteous staff. efficient work time. Photo proof of product delivery. Govt rebates applied” — Google review
Best Attic Insulation Services in Mesa, AZ
The 10 best-rated attic insulation services in Mesa, AZ average 5.0★ on Google across 4,087 reviews. Koala Insulation of The East Valley has the top rating (5.0★), and Ideal Air Conditioning and Insulation has the most reviews (1,548). Updated October 27, 2026.
10 companies that meet our bar: rated 4.5★ or higher on Google, with a meaningful review history (4,087 reviews combined) and currently operating. Request a call back and the company will phone you directly.
#2
Ideal Air Conditioning and Insulation
“We have used Ideal air for years. They did the original install of our new AC in 2013. Their service has been consistent with quality checks and recommendations if there is an issue. Never any pressure. We get the…” — Google review
#3
Thermo S Insulation
“Thermo S was amazing! They found and resolved some problems with some of our duct work that other HVAC pros had missed! From estimate and evaluation, day off, and follow up, everything was awesome! And we're looking…” — Google review
#4
AZ Insulation & HVAC Solutions
“The guys showed up exactly when they said they would and were polite and professional and left no mess. Highly recommend.” — Google review
#5
Izzy's Insulation, LLC.
“Milton is very honest, did not try to upsell us, excellently priced. Milton was respectful of us and our property. Work was done in a timely manner. Clean up was excellent after insulation was installed. Workmanship…” — Google review
#6
Koala Insulation of North and West Phoenix
“talking to the sales person was easy and comfortable. he explains the process with lots of details. he arranges the meeting of the installers and the process. the installers were very friendly and knowledgeable. the…” — Google review
#7
Phoenix Family Insulation
“Installers were neat, respectful, efficient and friendly. Sales was honest, nice and knowledgeable with good follow-up. Thanks!” — Google review
#8
Attic R Us
“A++ insulation company. Very responsive, only took 4 days from first phone call to complete the job. Met the owner of the company and techs and all good, professional people. Pricing was more than fair compared to…” — Google review
#9
Active Shield Insulation
“I highly recommend Randy and his team at Active Insulation. Price is very reasonable compared to other estimates. Workers were professional and took the time to do the job right.” — Google review
#10
Greater Insulation
“Highly recommended them very professional . The technicians were very friendly and explained everything that they were going to do. My appointment was made quickly. Everything was done in a timely manner. I highly…” — Google review
How we pick attic insulation services in Mesa
We scan Google Maps for attic insulation service listings in and around Mesa, 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 Mesa?
Koala Insulation of The East Valley has the highest Google rating on our Mesa list: 5.0 out of 5 from 426 reviews (as of October 27, 2026).
Which attic insulation service in Mesa has the most reviews?
Ideal Air Conditioning and Insulation has the most Google reviews among the companies listed here: 1,548, with a 4.9★ average.
How are these attic insulation services chosen?
Only open Mesa-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.
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