HVAC companies in Seymour, WI 54165

2 HVAC companies, with local market data for this ZIP.

Area profitability, HVAC56 / 100Moderate market, crowded field
Typical home value$352,000+6.4% in the past year
New homes permitted, 20251,022Outagamie County
Homeowners78.4%2,949 households

Source: Zillow (home value and housing demand in the score), data through Sep 2026. Permits and households: U.S. Census Bureau.

Diedrick's Heating and Air ConditioningHVAC contractor · 110 S Mill St, Seymour(920) 833-7967 · diedricksheatingandair.com
Randerson Heating and CoolingHVAC contractor · 930 Robbins St, Seymour(920) 833-1924 · randersonheatcool.com · 10 drivers, 11 trucks

HVAC in ZIP 54165 at a glance

Local building angle: Outagamie County permitted 1,022 new homes in 2025, including 584 apartment units. 20% of the homes in this ZIP were built since 2000.
Local figures are estimates from public records and Zillow housing data, updated regularly.