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Boston is a city of triple-deckers and brick rows, not detached houses: only 12% of its 310,625 housing units are single-family detached, 35% sit in two- to four-unit buildings and 46% in buildings of five or more units (Census ACS 2020-2024, table B25024, https://data.census.gov/table/ACSDT5Y2024.B25024?g=160XX00US2507000, checked 2026-10-19), and 47% of those units were built before 1940 (Census ACS 2020-2024, table B25034, https://data.census.gov/table/ACSDT5Y2024.B25034?g=160XX00US2507000, checked 2026-10-19). Natural gas heats 56% of the 283,374 occupied homes, electricity 32% and heating oil 7% (Census ACS 2020-2024, table B25040, https://data.census.gov/table/ACSDT5Y2024.B25040?g=160XX00US2507000, checked 2026-10-19), so the usual Boston job is one small outdoor unit per floor of a two- or three-family on a gas boiler, with the condo association signing off on the bracket location before the quote, and the whole-home rebate waiting on an insulation check that a pre-war building rarely passes on age alone. The neighborhoods do not heat alike. In Dorchester 56% of the 58,234 housing units are two- to four-unit buildings and only 12% are detached (Census ACS 2020-2024, table B25024, ZIP areas 02121, 02122, 02124 and 02125, https://data.census.gov/table/ACSDT5Y2024.B25024?g=860Z200US02122, checked 2026-10-19), while West Roxbury is the one neighborhood of detached houses, 59% of its 11,982 units, and the one with a real oil share at 14% of occupied homes (Census ACS 2020-2024, tables B25024 and B25040, ZIP area 02132, https://data.census.gov/table/ACSDT5Y2024.B25040?g=860Z200US02132, checked 2026-10-19). Charlestown is the most electric neighborhood on the list, with 37% of occupied homes already heating with electricity and only 3% on oil (Census ACS 2020-2024, table B25040, ZIP area 02129, https://data.census.gov/table/ACSDT5Y2024.B25040?g=860Z200US02129, checked 2026-10-19), and Brighton is the one where 57% of units are in buildings of five or more, so the outdoor-unit question there is a landlord or association question first (Census ACS 2020-2024, table B25024, ZIP area 02135, https://data.census.gov/table/ACSDT5Y2024.B25024?g=860Z200US02135, checked 2026-10-19). That is why a Boston quote starts with the building, not the square footage: a pre-war Jamaica Plain three-decker (58% of its units were built before 1940) and a postwar Hyde Park house (33% pre-1940) (Census ACS 2020-2024, table B25034, ZIP areas 02130 and 02136, https://data.census.gov/table/ACSDT5Y2024.B25034?g=860Z200US02130, checked 2026-10-19) need different heads, different line-set runs and different rebate paperwork, and the town pages on this door carry those figures for every neighborhood and every town on the carve.
Where: Greater Boston / Eastern MA
Money: up to $8,500.
Program: Mass Save whole-home heat pump rebate
Source: Source: masssave.com
Program terms checked 2026-10-26.
Verified 2026-07
We know: The market and the program on file.
We do not know yet: The utility on the bill, eligibility, the house load, and the contractor price.
Suffolk
Address-level electric and gas assignment is confirmed in the quote.
No heating-fuel section in this market pack yet.
Eligibility requires confirmation
https://www.masssave.com/en/residential/rebates-offers-services/heating-and-cooling/heat-pumps/air-source-heat-pumpsEligibility requires confirmation
https://www.masssave.com/en/residential/rebates-offers-services/income-based-offers/save-with-enhanced-incentives/enhanced-heating-and-cooling-rebatesIECC climate zone on this city row. Method: 2021 IECC county assignment.
No heating-fuel section in this market pack.
Density only. No shop names.
This board is the market file. Your ZIP opens the quote for the address.
Dorchester, West Roxbury, Jamaica Plain, Roslindale, Hyde Park, Charlestown, South Boston, Brighton.
Cambridge, Newton, Somerville, Malden, Waltham, Medford, Everett, Arlington, Watertown Town, Lexington, Melrose, Belmont, Stoneham, Weston.
Brockton, Plymouth, Bridgewater Town, Marshfield, Middleborough, Hingham, Wareham, Scituate, Pembroke, Rockland, Abington, Duxbury, Whitman, Hanover, East Bridgewater, Kingston, Lakeville, Carver, Norwell, Hanson, Hull, Halifax, West Bridgewater, Mattapoisett, Rochester, Marion, Plympton.
Quincy, Brookline, Weymouth Town, Braintree Town, Randolph Town, Franklin Town, Needham.
Norwood, Wellesley, Stoughton, Milton, Walpole, Dedham, Canton, Foxborough, Sharon, Bellingham, Westwood, Medway, Medfield, Wrentham, Norfolk, Holbrook, Plainville, Millis, Cohasset, Dover, Avon.
New Bedford, Fall River, Taunton, Attleboro, Dartmouth, North Attleborough Town, Easton, Mansfield, Norton, Somerset, Swansea, Westport, Fairhaven, Seekonk, Raynham, Rehoboth, Acushnet, Freetown, Dighton, Berkley.
Ask the program or your installer to confirm eligibility and amounts for your address.
See what each program pays in BostonThe worst day to pick a heat pump is the day the old system dies. See the number now, decide later.
The Boston page is available to one licensed contractor. Your name, phone, and logo go on this URL.
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