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Sizing a heat pump in Kewaunee County starts with what the house actually demands, not with a worst-case storm scenario. 47 severe weather events were recorded in Kewaunee County, Wisconsin between 2015 and 2024. At that rate, severe weather is a real but infrequent factor in the operating life of equipment here, which means a contractor quoting an install cannot lean on climate as the primary driver of what gets specified. Duct condition, envelope tightness, and accurate Manual J calculations carry more weight in getting the sizing right than weather history does.
Ductwork sized and routed for an older system, and electrical service wired to match it, may need significant changes before a heat pump can run correctly in the same house. Half the homes in Kewaunee County, Wisconsin were built in 1970 or earlier (2020-2024 ACS 5-year). A contractor quoting a heat pump installation here will assess both what the ducts can carry and what the panel can supply before the equipment itself is ever selected. Those two questions, not the unit on the spec sheet, are where the scope and the price get decided.
What a Heat Pump Installation Covers
The outdoor unit sits on a pad beside the house and holds the compressor and the coil that exchanges heat with the outside air. Inside, an air handler mounts in a utility space, basement, or closet and moves conditioned air through the home. Together these two units are the core of what gets purchased and placed.
A refrigerant line set runs between the outdoor unit and the air handler, carrying the working fluid that connects both sides of the system. A thermostat goes on an interior wall where it reads the living space and tells the system when to run. A condensate drain line also ties into the air handler to carry away moisture pulled from indoor air.
The drawing beside this text shows a typical layout, and a licensed contractor determines exactly how each piece fits the conditions of your house.
Get matched in Kewaunee CountyKewaunee County, by the numbers
47 severe weather events were recorded in Kewaunee County, Wisconsin between 2015 and 2024.
NOAA National Centers for Environmental Information, Storm Events Database, bulk CSV export, events 2015-01-01 through 2024-12-31.Half the homes in Kewaunee County, Wisconsin were built in 1970 or earlier (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesKewaunee County, Wisconsin holds 9,367 housing units (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesOwners occupy 86.5% of the occupied homes in Kewaunee County, Wisconsin (2020-2024 ACS 5-year).
U.S. Census Bureau, 2020-2024 American Community Survey 5-Year EstimatesCodes & Standards Behind Heat Pump Installation in Kewaunee County, Wisconsin2 sourced rules and standards
Licensing Rules for HVAC Work in Kewaunee County, Wisconsin
A Wisconsin business that employs a certified HVAC qualifier is a certified HVAC business, and no city or county may require it to hold a local certification or licence on top of that.
Wisconsin requires a state HVAC contractor registration: no person or business may install or service heating, ventilating or air conditioning equipment, or offer to, without one.
Severe Weather Events in Kewaunee County
Weather in Kewaunee County sets the real conditions a heat pump works against year-round. Understanding that load is part of sizing and installing equipment that holds up here.
47 severe weather events, 2015–2024. Source: NOAA National Centers for Environmental Information, Storm Events Database.