Portland / Cape Elizabeth

Heat pump installation in Cape Elizabeth, ME - up to $3,000 rebate

Cape Elizabeth, 5 miles out

Cape Elizabeth is about 5 miles from the Census center point for Portland in a straight line and covers 14.853 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).

Cape Elizabeth has 9,606 residents (give or take 23) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=060XX00US2300510180, checked 2026-10-19), about 647 people per square mile.

The quote form takes a ZIP code; for Cape Elizabeth that is 04107 (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).

What heats Cape Elizabeth

Of the 3,732 occupied homes in Cape Elizabeth, 11% heat with natural gas, 64% with heating oil, 12% with electricity and 11% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=060XX00US2300510180, checked 2026-10-19).

Cape Elizabeth has 18 points more oil heat than Cumberland County as a whole, where 46% of homes burn oil, and 3 points less electric heat than the county's 15% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US23005, checked 2026-10-19).

Heating oil is the largest single fuel in Cape Elizabeth at 64%, ahead of electricity at 12%, so the usual job here is an oil boiler or furnace coming out and a cold-climate heat pump going in, with the oil tank removed.

Age of the housing

The median Cape Elizabeth home was built in 1967 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=060XX00US2300510180, checked 2026-10-19) and the median home has 7.3 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=060XX00US2300510180, checked 2026-10-19).

Cape Elizabeth has 3,981 housing units, 19% built before 1940 and 66% before 1980, with 7% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=060XX00US2300510180, checked 2026-10-19).

Cape Elizabeth has 4 points fewer pre-1940 homes than Cumberland County as a whole (23%) and 15 points fewer homes built after 2000 than the county's 22% (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US23005, checked 2026-10-19).

66% of Cape Elizabeth homes were built before 1980 and only 7% in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=060XX00US2300510180, checked 2026-10-19), so most of the stock predates modern insulation codes; the installer's heat-loss calculation, not a square-footage rule, decides the tonnage.

House type

90% of Cape Elizabeth homes are single-family detached, 3% are in two- to four-unit buildings and 0% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=060XX00US2300510180, checked 2026-10-19).

With 90% detached houses and 3% in small multi-family buildings, a Cape Elizabeth quote is usually one or two outdoor units with ducted or ductless heads sized room by room. With 12% of Cape Elizabeth homes rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=060XX00US2300510180, checked 2026-10-19), the landlord signs the quote in many of them.

Cape Elizabeth has 27 points more detached houses than Cumberland County overall (63%) and 15 points fewer five-plus-unit buildings than the county's 15% (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=050XX00US23005, checked 2026-10-19).

Only 12% of Cape Elizabeth homes are rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=060XX00US2300510180, checked 2026-10-19), so nearly every quote here is the resident talking to the installer directly, and the rebate goes to the person living in the house.

Utility and rebate

No electric utility is on file for Cape Elizabeth on this door yet, so this page does not name one; the name on the bill decides which rebate path applies.

Efficiency Maine whole-home heat pump rebate, run by Efficiency Maine, is a live program for Maine addresses and lists a standard figure of $3,000 (registry row 7 verified 2026-10-15, https://www.efficiencymaine.com/whole-home-heat-pump-rebates/, checked 2026-10-16); confirm eligibility for the Cape Elizabeth address before counting it. With 12% of Cape Elizabeth homes already on electric heat and 86% 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 Cape Elizabeth is $145,821 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=060XX00US2300510180, 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.

Design temperature

Heating design temperature: -4F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Cumberland County row, 99% heating, PDF pages 54 to 55 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 -4F figure is the Cumberland County cold-day number a Cape Elizabeth heat pump is sized against, so ask the installer to show the system's heating output at -4F, not at the milder rating-label temperature.

Next step

Ask what happens to the oil tank, since 64% of the 3,732 occupied Cape Elizabeth homes have one and removal is usually a separate line on the quote.

Ask for the heat-loss calculation room by room; the median Cape Elizabeth home has 7.3 rooms and was built around 1967, 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 Cape Elizabeth. The public number is the number the contractor quotes from.

No local contractor is named on this door for Cape Elizabeth yet. A request from this page goes to the first licensed shop that takes the door.

Where should the follow-up go?

We will follow up by email. No calls.

No spam, no sold information. One follow-up about exactly this request.