Worcester / Northampton
Northampton has 30,962 residents (give or take 29) (ACS 2020-2024 5-year, table B01003, https://data.census.gov/table/ACSDT5Y2024.B01003?g=060XX00US2501546330, checked 2026-10-19), about 904 people per square mile.
Northampton is about 44 miles from the Census center point for Worcester in a straight line and covers 34.245 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 Northampton that is 01053, 01060, 01062, 01063 (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 Northampton is $80,288 (ACS 2020-2024 5-year, table B19013, https://data.census.gov/table/ACSDT5Y2024.B19013?g=060XX00US2501546330, 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.
44% of Northampton homes are single-family detached, 25% are in two- to four-unit buildings and 22% are in buildings of five or more units (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=060XX00US2501546330, checked 2026-10-19).
43% of Northampton homes are rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=060XX00US2501546330, checked 2026-10-19), so beside the 44% detached houses there is a real share of jobs where the landlord, not the resident, signs the quote.
Northampton has 15 points fewer detached houses than Hampshire County overall (59%) (ACS 2020-2024 5-year, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=050XX00US25015, checked 2026-10-19).
43% of Northampton homes are rented (ACS 2020-2024 5-year, table B25003, https://data.census.gov/table/ACSDT5Y2024.B25003?g=060XX00US2501546330, 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 13,467 occupied homes in Northampton, 55% heat with natural gas, 12% with heating oil, 23% with electricity and 6% with propane (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=060XX00US2501546330, checked 2026-10-19).
Gas leads in Northampton at 55%, but 18% of homes still burn delivered oil or propane, and those 2,424 or so homes are where a heat pump pays back fastest.
Northampton has 18 points less oil heat than Hampshire County as a whole, where 30% of homes burn oil, and 2 points more electric heat than the county's 21% (ACS 2020-2024 5-year, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=050XX00US25015, checked 2026-10-19).
Eversource Energy lists Northampton 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 Northampton 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).
Northampton has 14,192 housing units, 41% built before 1940 and 73% before 1980, with 12% built in 2000 or later (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=060XX00US2501546330, checked 2026-10-19).
Northampton has 14 points more pre-1940 homes than Hampshire County as a whole (27%) (ACS 2020-2024 5-year, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=050XX00US25015, checked 2026-10-19). An older stock means more insulation upgrades before the heat pump goes in.
The median Northampton home was built in 1955 (ACS 2020-2024 5-year, table B25035, https://data.census.gov/table/ACSDT5Y2024.B25035?g=060XX00US2501546330, 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=060XX00US2501546330, checked 2026-10-19).
With 41% of homes built before 1940 and only 12% new enough to pass on age, the first question for a Northampton house is insulation: the whole-home rebate wants proof the house is weatherized, and a no-cost home energy assessment is the usual way an older home shows it.
Heating design temperature: -3F. Source: ENERGY STAR Design Temperature Limit Reference Guide (2019 Edition), Hampshire 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 Hampshire County cold-day number a Northampton 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 55% of Northampton on gas and 23% already electric the two paths carry different rebate figures and different sizing.
Ask for the heat-loss calculation room by room; a Northampton house from before 1940 (41% of the 14,192 units) rarely matches a square-footage rule of thumb.
The form on this page is the follow-up for Northampton. The public number is the number the contractor quotes from.
No local contractor is named on this door for Northampton yet. A request from this page goes to the first licensed shop that takes the door.