Hartford / Mystic

Heat pump installation in Mystic, CT - 1 rebate program on file

Mystic in Southeastern Connecticut Planning Region

Mystic has 4,483 residents (give or take 835) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=160XX00US0949810, checked 2026-10-19), about 1,229 people per square mile.

Mystic is about 47 miles from the Census center point for Hartford in a straight line and covers 3.649 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 Mystic that is 06355 (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).

Fuel mix

Of the 2,161 occupied homes in Mystic, 3% heat with natural gas, 50% with heating oil, 24% with electricity and 20% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=160XX00US0949810, checked 2026-10-19).

Heating oil is the largest single fuel in Mystic at 50%, ahead of electricity at 24%, 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.

Mystic has about the Southeastern Connecticut Planning Region oil share of 49% and 2 points more electric heat than the county's 22% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US09180, checked 2026-10-19).

Housing stock

Mystic has 2,515 housing units, 49% built before 1940 and 69% before 1980, with 16% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US0949810, checked 2026-10-19).

Mystic has 25 points more pre-1940 homes than Southeastern Connecticut Planning Region as a whole (24%) (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US09180, checked 2026-10-19). An older stock means more insulation upgrades before the heat pump goes in.

The median Mystic home was built in 1942 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=160XX00US0949810, checked 2026-10-19) and the median home has 5.5 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=160XX00US0949810, checked 2026-10-19).

64% of Mystic homes are single-family detached, 11% are in two- to four-unit buildings and 15% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=160XX00US0949810, checked 2026-10-19).

34% of Mystic homes are rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=160XX00US0949810, checked 2026-10-19), so beside the 64% detached houses there is a real share of jobs where the landlord, not the resident, signs the quote.

49% of Mystic homes were built before 1940 and 69% before 1980 (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US0949810, checked 2026-10-19), so insulation is the first sizing question: an older home leaks more heat per square foot, and the installer runs a room-by-room heat-loss calculation to size the system for what the walls and windows actually hold in, not just the floor plan.

Rebate path

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

Energize CT residential heat pump rebate, run by Energize CT, is a live program for Connecticut addresses and publishes its terms without one headline figure (registry row 3 verified 2026-10-15, https://www.energizect.com/node/68091, checked 2026-10-16); confirm eligibility for the Mystic address before counting it. With 24% of Mystic homes already on electric heat and 73% 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 Mystic is $152,559 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=160XX00US0949810, 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.

Cold-day number

Heating design temperature: 7F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), New London 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; town filed under New London County by Census Bureau, Connecticut county to county subdivision crosswalk (legacy county for each 2022 planning region town), https://www2.census.gov/geo/docs/reference/ct_change/ct_cou_to_cousub_crosswalk.txt, fetched 2026-10-19, 99%.

That 7F figure is the New London County cold-day number a Mystic heat pump is sized against, so ask the installer to show the system's heating output at 7F, not at the milder rating-label temperature.

Next step

Ask what happens to the oil tank, since 50% of the 2,161 occupied Mystic homes have one and removal is usually a separate line on the quote.

Ask for the heat-loss calculation room by room; a Mystic house from before 1940 (49% of the 2,515 units) rarely matches a square-footage rule of thumb.

The form on this page is the follow-up for Mystic. The public number is the number the contractor quotes from.

No local contractor is named on this door for Mystic 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.