C.S. Construction
“Very easy to work with, quality workmanship- not just a run and gun crew, and the only small issue I had was met with a "no problem" and they fixed it!”
Best Insulation Contractors in Eau Claire, WI
14 contractors listed · 8 in Eau Claire · 2 open 24/7 · 4 open weekends · 8 rated 4.5+
Data verified October 20, 2026
Rock & Tait
“Quality workmanship - Mike from Rock & Tait did excellent work and made sure that I was a satisfied customer.”
Anderson's Seamless Inc
“I had checked with several companies in town and Jared and his crew turned out to be the cheapest best choice !!!”
Eau Claire Insulation LLC
“Removing insulation on a rainy day and then installing new cellulose insulation in my attic was not a pleasant job, but Tyler and Jake were pleasant, informative, thoughtful, and efficient.”
TEK Roofing Company
“Crew is very concerned with customer satisfaction and will follow-up after the job is over to ensure that you are content.”
Alpine Insulation
“They arrived on time, prepped/protected their work area, were professional, pleasant, and finished the job in a timely manner.”
The 14 contractors listed for Eau Claire, WI insulate attics, walls, crawl spaces and rim joists. Details under each one about materials, hours and the services advertised are copied from the company's own site; star ratings and comments come from public reviews.
Area overview: Eau Claire, WI
8 of the 14 contractors we list are based in Eau Claire; the other 6 serve Eau Claire from Altoona (2 mi) and Chippewa Falls (10 mi). 13 of the contractors on this page have a rating, from 4.0 to 5.0 across 489 reviews; 2 have 50 or more reviews and 8 are rated 4.5 or higher. The topics that come up most in reviews of the contractors on this page are "communication", "estimates" and "price". 2 are open around the clock; 4 are open on Saturdays and 2 on Sundays. 3 show a license on their websites and 5 have a BBB rating of A or A+. 9 have ten or more years of experience, the longest 72 years. 2 offer emergency call-outs; 2 offer financing or payment plans; 7 give free estimates and 1 is family- or locally-owned. We have a website on file for 11 of the contractors on this page; 9 publish a contact page and 4 list a public email. We count these figures across the contractors on this page; distances are straight-line, and hours and prices change, so confirm the details with the contractor before you book.
Are all of these firms based in Eau Claire?
No. 8 have an address in Eau Claire and the remainder come from other towns within 15 mi. Insulation crews travel with a truck and a blower, so coverage tends to be regional. Confirm your address is inside the area they work before scheduling.
Dealers Northland Supply
“Great deals and excellent customer service.”
M2 Insulation
TNT Exteriors LLC
“Gave us a great price for our new roof and did everything we asked for and more!!!”
Eau Claire Roofing Co Inc
“Their estimate covered exactly what needed to be done and they were very accommodating for all requests and questions I had.”
Yakesh Roofing
“The dumpster arrived when he said it would; the crew arrived when he said they would' the dumpster was picked up when Bryon said it would”
North Central Insulation
“They're a great commercial insulation and commercial roofing company to work with.”
Air-Tight Spray Foam
“They are punctual, responsive, workmanship was above & beyond & pricing was VERY competitive.”
Hovel Insulation LLC
“They were professional, did a wonderful job and worked us in right away!!!”
Why these companies made our list
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