Madison / Prairie du Sac
Prairie du Sac has 4,382 residents (give or take 34) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=160XX00US5565100, checked 2026-10-19), about 2,199 people per square mile.
Prairie du Sac is about 21 miles from the Census center point for Madison in a straight line and covers 1.993 square miles of land (Census 2024 Gazetteer internal points and land area, https://www2.census.gov/geo/docs/maps-data/data/gazetteer/2024_Gazetteer/, checked 2026-10-19).
Of the 1,861 occupied homes in Prairie du Sac, 74% heat with natural gas, 0% with heating oil, 18% with electricity and 7% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=160XX00US5565100, checked 2026-10-19).
Gas heats 74% of Prairie du Sac against electricity at 18%, so most quotes here are a partial-home system that carries the shoulder seasons and the summer while the gas furnace handles the coldest nights, or a whole-home system when the house is ready for it.
Prairie du Sac has about the Sauk County oil share of 1% and 1 points more electric heat than the county's 17% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US55111, checked 2026-10-19).
Prairie du Sac has 1,921 housing units, 18% built before 1940 and 45% before 1980, with 30% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US5565100, checked 2026-10-19).
Prairie du Sac has 4 points more homes built after 2000 than the county's 26% (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US55111, checked 2026-10-19).
The median Prairie du Sac home was built in 1990 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=160XX00US5565100, checked 2026-10-19) and the median home has 6.2 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=160XX00US5565100, checked 2026-10-19).
68% of Prairie du Sac homes are single-family detached, 15% are in two- to four-unit buildings and 12% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=160XX00US5565100, checked 2026-10-19).
31% of Prairie du Sac homes are rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US5565100, checked 2026-10-19), so beside the 68% detached houses there is a real share of jobs where the landlord, not the resident, signs the quote.
No electric utility is on file for Prairie du Sac on this door yet, so this page does not name one; the name on the bill decides which rebate path applies.
Focus on Energy air source heat pump instant discount (ratepayer), run by Focus on Energy, is a live program for Wisconsin addresses and covers qualifying equipment at $900 per system (registry row 20 verified 2026-10-07, https://assets.focusonenergy.com/production/docs/trade-ally/TAS-Trade-Ally-Solutions-Rebates-Overview-20260101_CLEAN.pdf, checked 2026-10-16); confirm eligibility for the Prairie du Sac address before counting it. With 18% of Prairie du Sac homes already on electric heat and 81% on gas, oil or propane, the row that applies depends on the name on the electric bill and the fuel coming out.
Median household income in Prairie du Sac is $101,049 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=160XX00US5565100, checked 2026-10-19); many state and utility heat pump rebate programs set higher incentive tiers for income-qualifying households, so the household income on the application, not the town median, decides which level applies.
Heating design temperature: -6F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Sauk County row, 99% heating, PDF pages 137 to 140 of 141 (Revised 11/11/2020), https://www.energystar.gov/sites/default/files/Design%20Temperature%20Limit%20Reference%20Guide%20(2019%20Ed)%20-%20ENERGY%20STAR%20Single-Family%20New%20Homes_Rev11.pdf, fetched 2026-10-19, 99%.
That -6F figure is the Sauk County cold-day number a Prairie du Sac heat pump is sized against, so ask the installer to show the system's heating output at -6F, not at the milder rating-label temperature.
Ask whether the quote is whole-home or partial-home, because with 74% of Prairie du Sac on gas and 18% already electric the two paths carry different rebate figures and different sizing.
Ask for the heat-loss calculation room by room; the median Prairie du Sac home has 6.2 rooms and was built around 1990, and the count of heads and the tonnage follow the rooms and the insulation, not the square footage.
The form on this page is the follow-up for Prairie du Sac. The public number is the number the contractor quotes from.
No local contractor is named on this door for Prairie du Sac yet. A request from this page goes to the first licensed shop that takes the door.