Worcester / Springfield
Springfield has 154,749 residents (give or take 56) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=060XX00US2501367000, checked 2026-10-19), about 4,856 people per square mile.
Springfield is about 39 miles from the Census center point for Worcester in a straight line and covers 31.87 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 Springfield that is 01103, 01104, 01105, 01107, 01108, 01109, 01118, 01119 and 4 more (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).
Median household income in Springfield is $52,656 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=060XX00US2501367000, checked 2026-10-19); Mass Save's enhanced heat pump incentives are income-based and decided household by household, so the town median only hints at how many neighbors qualify.
4,856 people per square mile puts Springfield in suburban density, where the outdoor unit usually sits in a side yard and the noise is not an issue for neighbors.
45% of Springfield homes are single-family detached, 28% are in two- to four-unit buildings and 21% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=060XX00US2501367000, checked 2026-10-19).
50% of Springfield homes are rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=060XX00US2501367000, checked 2026-10-19), so beside the 45% detached houses there is a real share of jobs where the landlord, not the resident, signs the quote.
Springfield has 11 points fewer detached houses than Hampden County overall (56%) (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=050XX00US25013, checked 2026-10-19).
50% of Springfield homes are rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=060XX00US2501367000, checked 2026-10-19), so the market splits between resident-led jobs where the occupant picks the system and landlord-led jobs where they do not, and the rebate paperwork differs.
Of the 57,772 occupied homes in Springfield, 58% heat with natural gas, 14% with heating oil, 20% with electricity and 3% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=060XX00US2501367000, checked 2026-10-19).
Gas leads in Springfield at 58%, but 18% of homes still burn delivered oil or propane, and those 10,399 or so homes are where a heat pump pays back fastest.
Springfield has 8 points less oil heat than Hampden County as a whole, where 22% of homes burn oil, and 1 points less electric heat than the county's 21% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US25013, checked 2026-10-19).
Eversource Energy lists Springfield among the Massachusetts communities it serves for electricity (Eversource Energy communities we serve, https://www.eversource.com/residential/services/communities-we-serve, checked 2026-10-19).
For a Springfield address billed by Eversource Energy, the Mass Save whole-home heat pump rebate is $2,650 per ton up to $8,500, and the partial-home rebate is $1,125 per ton up to $8,500; for projects installed on or after January 1, 2027, the whole-home figure drops to $2,350 per ton capped at $7,500 (Mass Save air-source heat pump rebates, https://www.masssave.com/residential/rebates-offers-services/heating-and-cooling/heat-pumps/air-source-heat-pumps, checked 2026-10-19).
Springfield has 62,217 housing units, 37% built before 1940 and 83% before 1980, with 6% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=060XX00US2501367000, checked 2026-10-19).
Springfield has 9 points more pre-1940 homes than Hampden County as a whole (28%) (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US25013, checked 2026-10-19). An older stock means more insulation upgrades before the heat pump goes in.
The median Springfield home was built in 1952 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=060XX00US2501367000, checked 2026-10-19) and the median home has 5.2 rooms (ACS 2020-2024 5-year, table B25018, https://data.census.gov/table/ACSDT5Y2024.B25018?g=060XX00US2501367000, checked 2026-10-19).
Only 6% of Springfield homes are new enough to pass the whole-home rebate's weatherization check on age, and 37% date from before 1940, so most of the other 94% show it with a home energy assessment before the heat pump goes in.
Heating design temperature: -3F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Hampden County row, 99% heating, PDF page 56 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 -3F figure is the Hampden County cold-day number a Springfield heat pump is sized against, so ask the installer to show the system's heating output at -3F, not at the milder rating-label temperature.
Ask whether the quote is whole-home or partial-home, because with 58% of Springfield on gas and 20% already electric the two paths carry different rebate figures and different sizing.
Ask for the heat-loss calculation room by room; a Springfield house from before 1940 (37% of the 62,217 units) rarely matches a square-footage rule of thumb.
The form on this page is the follow-up for Springfield. The public number is the number the contractor quotes from.
No local contractor is named on this door for Springfield yet. A request from this page goes to the first licensed shop that takes the door.