Nashville / Spring Hill
Spring Hill has 55,765 residents (give or take 47) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=160XX00US4770580, checked 2026-10-19), about 1,908 people per square mile.
Spring Hill is about 30 miles from the Census center point for Nashville in a straight line and covers 29.225 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).
The quote form takes a ZIP code; for Spring Hill that is 37174 (Census 2020 ZCTA to county subdivision and ZCTA to place relationship files, ZIP areas at least 20% inside the town, https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/tab20_zcta520_cousub20_natl.txt and https://www2.census.gov/geo/docs/maps-data/data/rel2020/zcta520/tab20_zcta520_place20_natl.txt, checked 2026-10-19).
Of the 19,820 occupied homes in Spring Hill, 47% heat with natural gas, 0% with heating oil, 52% with electricity and 0% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=160XX00US4770580, checked 2026-10-19).
Electricity already heats 52% of Spring Hill homes, ahead of gas at 47%, and a home on electric baseboard sees the biggest bill change from a heat pump because it replaces resistance heat one for one.
Spring Hill has about the Williamson County oil share of 0% and 9 points more electric heat than the county's 43% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US47187, checked 2026-10-19).
Spring Hill has 20,536 housing units, 1% built before 1940 and 4% before 1980, with 82% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US4770580, checked 2026-10-19).
The median Spring Hill home was built in 2009 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=160XX00US4770580, checked 2026-10-19) and the median home has 6.6 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=160XX00US4770580, checked 2026-10-19).
76% of Spring Hill homes are single-family detached, 2% are in two- to four-unit buildings and 13% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=160XX00US4770580, checked 2026-10-19).
With 76% detached houses and 2% in small multi-family buildings, a Spring Hill quote is usually one or two outdoor units with ducted or ductless heads sized room by room. With 27% of Spring Hill homes rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US4770580, checked 2026-10-19), the landlord signs the quote in many of them.
No electric utility is on file for Spring Hill on this door yet, so this page does not name one; the name on the bill decides which rebate path applies.
Heating design temperature: 14F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Williamson County row, 99% heating, PDF pages 111 to 115 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 14F figure is the Williamson County cold-day number a Spring Hill heat pump is sized against, so ask the installer to show the system's heating output at 14F, not at the milder rating-label temperature.
Ask for the heat-loss calculation room by room; the median Spring Hill home has 6.6 rooms and was built around 2009, 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 Spring Hill. The public number is the number the contractor quotes from.
No local contractor is named on this door for Spring Hill yet. A request from this page goes to the first licensed shop that takes the door.