Insulation contractors in Wausau, WI
Tell us about your insulation project in Wausau and compare bids from local pros.

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What affects insulation in Wausau?
Climate zone
Wausau sits in IECC climate zone 6A, per the 2021 International Energy Conservation Code climate zone map.
Source: 2021 International Energy Conservation Code climate zone map
About Wausau, WI
- Population
- 39,996
- Source: U.S. Census Bureau, American Community Survey, 2024
- Median household income bracket
- $60,000-$74,999
- Source: U.S. Census Bureau, American Community Survey, 2024
- Median annual property tax bracket
- $3,000 or More
- Source: U.S. Census Bureau, American Community Survey, 2024
- Climate zone
- IECC climate zone 6A
- Source: 2021 International Energy Conservation Code climate zone map
- Storm history
- From 2016 through 2025, Marathon County recorded 35 hail events of 1 inch or larger, 5 severe hail events of 1.75 inches or larger, 75 damaging-wind events of 58 mph or stronger, and 12 tornado events, per NOAA Storm Events data.
- Source: NOAA Storm Events Database
ZIP codes in Wausau
54401, 54403, 54476
Insulation in Wausau: common questions
How does the local climate affect insulation in Wausau, WI?
Wausau sits in IECC climate zone 6A, per the 2021 International Energy Conservation Code climate zone map.
How do I get bids for insulation in Wausau, WI?
Describe your project in the bid form on this page. Companies that take this kind of work may contact you with bids. There is no obligation to hire anyone.