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HVAC · Hingham, MA

HVAC in Hingham, Massachusetts

What applies to this work in Hingham, Plymouth County: Mass Save, rebates and financing, and the permit. Then the contractors serving the town.

30 contractors serving Hingham.

Is Hingham in Mass Save?

It depends on the address. Part of Hingham gets its electricity from National Grid and part from the Hingham Municipal Lighting Plant (the state's list names both), and Mass Save follows the company that sends the electric bill: a home on National Grid's service is in the Mass Save program, and a home on the light plant's service is outside Mass Save's electric program. A home on the light plant's service can still use Mass Save through a National Grid gas account.

To check, look at the company name on your electric bill, or ask the light plant whether it serves your street.

Hingham is on the state's list of municipal light plants; Mass Save in municipal light plant towns has the full decision tree.

Heat pump rebates and financing in Hingham

For a home on National Grid's electric service, a whole-home air source heat pump installed in Hingham in 2026 earns a Mass Save rebate of $2,650 per ton, up to $8,500; a partial-home system, with the old boiler or furnace kept as backup, earns $1,125 per ton, up to $8,500.

The whole-home rebate needs ENERGY STAR cold-climate equipment from the qualified product list, a contractor in the Mass Save Heat Pump Installer Network, and a home that is weatherized first. 36% of Hingham's homes were built before 1960 (Census ACS 2018-2022), so check the weatherization condition early.

Income-eligible households can get up to $16,000 for a whole-home system.

The HEAT Loan finances heat pumps at 0% interest, up to $25,000 over the life of your Mass Save upgrades.

There is no federal tax credit to add: the IRS says the energy efficient home improvement credit (25C) is not allowed for any property placed in service after December 31, 2025.

On the light plant's service, the heat pump rebates apply only when the heat pump replaces gas heat on a National Grid gas account; otherwise the light plant's own rebates apply.

Do you need a permit for a heat pump, furnace, boiler or AC in Hingham?

Yes, and which permits depends on the equipment. A gas furnace or boiler needs a gas-fitting permit, which only a licensed plumber or gas fitter can pull. A heat pump burns no fuel, so it needs no gas permit; its wiring needs an electrical permit filed by a licensed electrician, and the equipment a building or mechanical permit from Hingham, usually pulled by the contractor.

permits.llc carries the rules: its Massachusetts guide to furnace, boiler and AC permits, its guide to permits for a ductless mini split, and the Hingham Building Department page, with the department's contact and portal.

How many permits for heating or cooling work are filed in Hingham?

148 permits filed in Hingham from October 2025 through September 2026 mention heating or cooling work.

That counts the permits whose description or permit type names the work; nearly all of Hingham's building, mechanical, sheet metal and gas permits in that period describe the work.

Source: Hingham's permit filings on permits.llc, counted October 2026.

Permits per month in Hingham that mention heating or cooling work
15Oct12Nov19Dec12Jan13Feb13Mar16Apr9May9Jun10Jul14Aug6Sep

October 2025 to September 2026. Months with fewer than 3 permits are not shown.

Contractors serving Hingham

Claimed listings within 5 miles come first, then the rest by rating, then distance. Google ratings as of October 2026. How we list and rank contractors

Common questions about HVAC in Hingham

Is Hingham in Mass Save?
It depends on the address. Part of Hingham gets its electricity from National Grid and part from the Hingham Municipal Lighting Plant (the state's list names both), and Mass Save follows the company that sends the electric bill: a home on National Grid's service is in the Mass Save program, and a home on the light plant's service is outside Mass Save's electric program. A home on the light plant's service can still use Mass Save through a National Grid gas account.
How much is the Mass Save heat pump rebate in Hingham?
For a home on National Grid's electric service, a whole-home air source heat pump installed in Hingham in 2026 earns a Mass Save rebate of $2,650 per ton, up to $8,500; a partial-home system, with the old boiler or furnace kept as backup, earns $1,125 per ton, up to $8,500.
Is there a federal tax credit for a heat pump installed in Hingham in 2026?
No. The IRS says the federal energy efficient home improvement credit (25C) is not allowed for any property placed in service after December 31, 2025, so a heat pump installed in 2026 gets no federal credit.
Do you need a permit for a heat pump, furnace, boiler or AC in Hingham?
Yes, and which permits depends on the equipment. A gas furnace or boiler needs a gas-fitting permit, which only a licensed plumber or gas fitter can pull. A heat pump burns no fuel, so it needs no gas permit; its wiring needs an electrical permit filed by a licensed electrician, and the equipment a building or mechanical permit from Hingham, usually pulled by the contractor.

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