Wilmington / Selbyville
Selbyville has 3,097 residents (give or take 31) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=160XX00US1064840, checked 2026-10-19), about 802 people per square mile.
Selbyville is about 90 miles from the Census center point for Wilmington in a straight line and covers 3.863 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 1,185 occupied homes in Selbyville, 39% heat with natural gas, 7% with heating oil, 36% with electricity and 14% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=160XX00US1064840, checked 2026-10-19).
Gas leads in Selbyville at 39%, but 20% of homes still burn delivered oil or propane, and those 237 or so homes are where a heat pump pays back fastest.
Selbyville has about the Sussex County oil share of 7% and 17 points less electric heat than the county's 53% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US10005, checked 2026-10-19).
Selbyville has 1,423 housing units, 10% built before 1940 and 29% before 1980, with 65% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US1064840, checked 2026-10-19).
Selbyville has 6 points more pre-1940 homes than Sussex County as a whole (4%) and 16 points more homes built after 2000 than the county's 49% (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US10005, checked 2026-10-19). An older stock means more insulation upgrades before the heat pump goes in.
The median Selbyville home was built in 2006 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=160XX00US1064840, checked 2026-10-19) and the median home has 6.3 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=160XX00US1064840, checked 2026-10-19).
85% of Selbyville homes are single-family detached, 2% are in two- to four-unit buildings and 3% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=160XX00US1064840, checked 2026-10-19).
With 85% detached houses and 2% in small multi-family buildings, a Selbyville quote is usually one or two outdoor units with ducted or ductless heads sized room by room. With 16% of Selbyville homes rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US1064840, checked 2026-10-19), the landlord signs the quote in many of them.
Selbyville has 20 points more detached houses than Sussex County overall (65%) (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=050XX00US10005, checked 2026-10-19).
65% of Selbyville housing was built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US1064840, 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 Selbyville 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 Selbyville is $75,592 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=160XX00US1064840, 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: 18F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Sussex County row, 99% heating, PDF page 17 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 18F figure is the Sussex County cold-day number a Selbyville heat pump is sized against, so ask the installer to show the system's heating output at 18F, not at the milder rating-label temperature.
Ask whether the quote is whole-home or partial-home, because with 39% of Selbyville on gas and 36% already electric the two paths carry different rebate figures and different sizing.
Ask for the heat-loss calculation room by room; the median Selbyville home has 6.3 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 Selbyville. The public number is the number the contractor quotes from.
No local contractor is named on this door for Selbyville yet. A request from this page goes to the first licensed shop that takes the door.