Charleston / Boiling Springs
Boiling Springs has 12,936 residents (give or take 1,618) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=160XX00US4507345, checked 2026-10-19), about 1,892 people per square mile.
Boiling Springs is about 191 miles from the Census center point for Charleston in a straight line and covers 6.837 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 Boiling Springs that is 29316 (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 4,924 occupied homes in Boiling Springs, 33% heat with natural gas, 0% with heating oil, 64% with electricity and 3% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=160XX00US4507345, checked 2026-10-19).
Electricity already heats 64% of Boiling Springs homes, ahead of gas at 33%, and a home on electric baseboard sees the biggest bill change from a heat pump because it replaces resistance heat one for one.
Boiling Springs has about the Spartanburg County oil share of 1% and 4 points less electric heat than the county's 68% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US45083, checked 2026-10-19).
Boiling Springs has 4,989 housing units, 0% built before 1940 and 11% before 1980, with 67% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US4507345, checked 2026-10-19).
Boiling Springs has 6 points fewer pre-1940 homes than Spartanburg County as a whole (6%) and 32 points more homes built after 2000 than the county's 35% (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US45083, checked 2026-10-19).
The median Boiling Springs home was built in 2006 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=160XX00US4507345, checked 2026-10-19) and the median home has 5.6 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=160XX00US4507345, checked 2026-10-19).
72% of Boiling Springs homes are single-family detached, 1% are in two- to four-unit buildings and 17% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=160XX00US4507345, checked 2026-10-19).
With 72% detached houses and 1% in small multi-family buildings, a Boiling Springs quote is usually one or two outdoor units with ducted or ductless heads sized room by room. With 26% of Boiling Springs homes rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US4507345, checked 2026-10-19), the landlord signs the quote in many of them.
67% of Boiling Springs housing was built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US4507345, 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 Boiling Springs 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 Boiling Springs is $72,068 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=160XX00US4507345, 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: 22F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Spartanburg County row, 99% heating, PDF pages 105 to 107 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 22F figure is the Spartanburg County cold-day number a Boiling Springs heat pump is sized against, so ask the installer to show the system's heating output at 22F, not at the milder rating-label temperature.
Ask for the heat-loss calculation room by room; the median Boiling Springs home has 5.6 rooms and was built around 2006, 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 Boiling Springs. The public number is the number the contractor quotes from.
No local contractor is named on this door for Boiling Springs yet. A request from this page goes to the first licensed shop that takes the door.