- Where We Work
If you're in Southern Wisconsin, you're in our service area.
Cozy Walls is based in Waukesha and runs injection foam crews across nine counties — from Watertown to Kenosha, Beaver Dam to Beloit. Free estimates everywhere we work, and every job gets the same process: blower door test, thermal imaging, complete fill, and proof before we leave.
- Veteran Owned & Operated
- $750** Military Discount
- Lifetime Transferable Warranty
- Focus on Energy® Trade Ally
- Serving Southern Wisconsin
**Discounts apply to whole-home projects with a minimum job size of $5,000. One discount per household.
Waukesha County
Our shop is here. No travel charges anywhere in the county.
- Home Base — Waukesha County
Beyond Waukesha County
Milwaukee, Racine, Kenosha, Rock, Jefferson and Walworth counties. Same crew, same foam, and Erik still does every estimate himself.
- Across Southern Wisconsin
Milwaukee County
The bungalow and Cape Cod capital of Wisconsin — some of the best injection foam candidates anywhere.
Jefferson County
Century homes, farmhouses, and lake places — we know this county personally.
Walworth County
Lake homes and converted cottages from Geneva to Delavan — built for summer, lived in all year.
Kenosha County
Rock County
Eastern Dane County
- Don't See Your Town?
The list is long. The answer is usually yes.
The towns above are where we work most — but Southern Wisconsin has a lot of map, and we cover the ground between every city listed. If you’re anywhere in these nine counties, call us. If we can get the rig there, we can insulate it.
Estimates are free everywhere we work. For projects at the far edges of the territory, we’ll tell you up front if a trip charge applies — straight answer, before you commit to anything.