There’s no heat pump rebate on Hull Municipal Light Plant’s program page, so for most oil and electric homes a Hull job has to earn its keep on the heating bill. Clement Boston Heat Pumps plans heat pump installation in Hull, MA with that in mind, and with the ocean on both sides of the house.
Gas-heated homes are the exception, because National Grid’s gas side still opens Mass Save. Either way, the plan starts with your fuel, then the wind and water around the lot.
How the light plant changes a Hull heat pump job
Hull’s electricity comes from its own municipal light plant, not Eversource or National Grid. That one fact decides which rebates you can use and which electric rate you’ll pay afterward.
If you heat with oil, propane or electric baseboard
Mass Save’s heat pump rebates for these fuels come through an electric sponsor, and Hull’s light plant isn’t one. The light plant’s own heating and cooling rebate page lists weatherization rebates and a furnace and boiler rebate, but no heat pump rebate.
That leaves running cost as the case. Oil costs more per unit of heat delivered than a heat pump on most Massachusetts electric rates, and our heat pump vs oil guide shows the comparison. We put your light plant rate into the estimate rather than an Eversource or National Grid figure.
If you heat with gas
About 72% of Hull homes heat with gas from National Grid, which sponsors Mass Save on the gas side. A gas-heated home can use Mass Save’s heat pump rebates when the conditions are met; see our rebate guide.
Keeping the gas furnace as backup is another route. A dual-fuel design with integrated controls qualifies for Mass Save’s partial-home rebate, and the furnace only runs below a switchover temperature we set with you.
The rebates the light plant does list
The light plant pays 50% up to $750 each for air sealing, insulation and duct sealing. Those fit a heat pump job well: tighter ducts and a tighter house let a smaller heat pump carry the load. See heat pump sizing.
Equipment when there’s no rebate to qualify for
Without a rebate checklist, nothing forces a cold-climate unit, but the weather still does. We size and select equipment for the coldest design night, with its output at 5°F on the estimate, so the house isn’t leaning on backup strips that bill at the full light plant rate. See variable-speed heat pumps.
Salt, sand and storm surge
Hull is a peninsula with Nantasket Beach on one side and the bay on the other. The outdoor unit sits in salt air wherever it goes, so placement does most of the protecting.
The lee side of the house
We look for the side of the building that blocks the prevailing wind, usually away from the open ocean, with clear airflow around the coil. Where no sheltered spot exists, several manufacturers offer a coastal coating on the outdoor coil, priced as its own line.
Height
Blowing sand and drifting snow both bury low units. A stand keeps the coil clear and lets defrost water drain; our snow stand guide gives clearances.
Hull is one of the state’s coastal communities, and some parcels sit in a FEMA flood zone. Where yours does, the building code’s flood provisions set equipment height for that address. On a low lot, that can move the air handler out of the basement and into a closet or the attic.
Storm outages
Coastal storms take power down, and a heat pump stops with it. Where you keep a working fireplace, stove or generator, we note what it can carry; our power outage guide explains how to size a generator for the air handler and outdoor unit.
Hull houses and their ducts
About 73% of Hull homes are detached, and close to 44% were built in 1939 or earlier. The duct question depends on what’s there now.
Forced-air houses
A house with an oil or gas furnace already has ducts. We measure them, seal the leaks, and reuse what carries enough air; see furnace to heat pump. Ducts in a crawlspace or unheated porch lose heat to the cold, so sealing and insulating them pays back quickly in a house that runs its heat all winter.
Houses with no ducts
Where a house heats with baseboard or a small boiler, new ducts run through the attic or a crawlspace. See heat pump ductwork for the routes and oil tank removal once the oil is gone.
Permits, code and rebates in Hull
Permits go through the town’s building department; the filing route is confirmed per address. A ducted job needs electrical and sheet metal permits, and a gas permit where a gas line gets capped.
| What | Hull |
|---|---|
| Electric utility | Hull Municipal Light Plant |
| Gas utility | National Grid |
| Energy code | Base code; stretch and specialized codes not adopted |
| Heat pump rebate, oil, propane or electric homes | None listed by the light plant; Mass Save electric side doesn’t apply |
| Heat pump rebate, gas homes | Mass Save, through the gas side |
| Light plant weatherization rebates | 50% up to $750 each for air sealing, insulation, duct sealing |
The state’s seasonal heat pump rate covers Eversource, National Grid and Unitil customers only, so it doesn’t apply on the light plant. Your bill follows the light plant’s own rates.
An Hull job, week by week
The first visit checks your fuel and rebate path, then runs a room-by-room load calculation, measures the ducts, checks the panel, and picks an outdoor spot for wind, spray and flood height.
- Written estimate: equipment with capacity at 5°F, duct sealing, any coastal coating or raised stand, electrical, permits, the rebate path for your fuel, and the price.
- Install: three to seven working days, depending on whether ducts are new.
- Commissioning: pressure test, vacuum below 500 microns, charge by weight, measured airflow, and backup heat lockout recorded.
Across the bay, Hingham runs its own light plant too, and Weymouth is on National Grid with the full Mass Save menu.


