Louisville / La Grange
La Grange has 10,311 residents (give or take 39) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=160XX00US2143480, checked 2026-10-19), about 1,429 people per square mile.
La Grange is about 22 miles from the Census center point for Louisville in a straight line and covers 7.217 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 3,777 occupied homes in La Grange, 52% heat with natural gas, 0% with heating oil, 47% with electricity and 0% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=160XX00US2143480, checked 2026-10-19).
Gas heats 52% of La Grange against electricity at 47%, 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.
La Grange has about the Oldham County oil share of 0% and the same 47% electric share (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US21185, checked 2026-10-19).
La Grange has 4,070 housing units, 6% built before 1940 and 22% before 1980, with 45% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US2143480, checked 2026-10-19).
La Grange has 3 points more pre-1940 homes than Oldham County as a whole (3%) and 7 points more homes built after 2000 than the county's 38% (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US21185, checked 2026-10-19). An older stock means more insulation upgrades before the heat pump goes in.
The median La Grange home was built in 1998 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=160XX00US2143480, checked 2026-10-19) and the median home has 6 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=160XX00US2143480, checked 2026-10-19).
72% of La Grange homes are single-family detached, 7% are in two- to four-unit buildings and 10% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=160XX00US2143480, checked 2026-10-19).
With 72% detached houses and 7% in small multi-family buildings, a La Grange quote is usually one or two outdoor units with ducted or ductless heads sized room by room. With 22% of La Grange homes rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US2143480, checked 2026-10-19), the landlord signs the quote in many of them.
La Grange has 15 points fewer detached houses than Oldham County overall (87%) (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=050XX00US21185, checked 2026-10-19).
45% of La Grange housing was built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US2143480, checked 2026-10-19), and homes that recent usually meet the insulation codes in place at the time, so a heat pump sized to the floor plan lands closer to the real load than it would in an older neighborhood.
No electric utility is on file for La Grange on this door yet, so this page does not name one; the name on the bill decides which rebate path applies.
Median household income in La Grange is $88,464 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=160XX00US2143480, 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: 10F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Oldham County row, 99% heating, PDF pages 46 to 51 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 10F figure is the Oldham County cold-day number a La Grange heat pump is sized against, so ask the installer to show the system's heating output at 10F, not at the milder rating-label temperature.
Ask whether the quote is whole-home or partial-home, because with 52% of La Grange on gas and 47% already electric the two paths carry different rebate figures and different sizing.
Ask for the heat-loss calculation room by room; the median La Grange home has 6 rooms and was built around 1998, 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 La Grange. The public number is the number the contractor quotes from.
No local contractor is named on this door for La Grange yet. A request from this page goes to the first licensed shop that takes the door.