Water heater replacement & repair in Massachusetts
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What it costs across Massachusetts
Water Heater Replacement
Water heater replacement cost depends on the unit type, size, fuel source, and what code upgrades the job triggers. A basic 40-gallon gas tank swap and a high-efficiency tankless install can sit nearly $4,000 apart.
Water Heater Installation
Water heater installation cost covers the labor and parts to fit a new unit — whether it's a first-time install, a fuel switch, or a tankless conversion. The number swings with venting, gas-line work, and whether the location changes.
Water Heater Repair
Water heater repair cost depends on the failing part and whether the unit is gas or electric. Most common repairs — thermostats, elements, thermocouples, valves — land between $150 and $800 including labor.
* Statewide medians — open a city for locally adjusted pricing.
What’s different about Massachusetts.
Generic cost pages skip the things that actually decide your price and your unit’s lifespan here — local code, water, and the money you can claim back.
Recommended unit for Massachusetts
Given Massachusetts’s cold northern climate and gas water heating, heat-pump (hybrid) is the sensible default for most Massachusetts homes. Winter inlet water runs cold here, so recovery rate matters — size up a tankless or favor a high-recovery tank. A pro can confirm the right size and fuel for your home.
Sources: Massachusetts plumbing permit and expansion tank requirements (MV Plumbing guide) · 248 CMR 10.14 Water Supply and Distribution System (Cornell LII) · EIA Massachusetts state energy data
What Massachusetts code requires
Across Massachusetts, replacing a water heater means meeting these statewide rules under the Massachusetts State Plumbing Code (248 CMR), a state-specific code:
- PermitRequired
Pulled by your licensed plumber; covers gas/venting and the expansion tank.
- Seismic strappingNot required
No state strapping mandate — one less line on the bill.
- Expansion tankRequired on closed systems
Required where a pressure regulator or backflow preventer is present.
- Plumbing codeMassachusetts State Plumbing Code (248 CMR), a state-specific code
- Good to know—
Water heater replacement must be done by a licensed plumber/gas fitter under a permit; expansion tanks required on closed systems since 2010.
Sources: Massachusetts plumbing permit and expansion tank requirements (MV Plumbing guide) · 248 CMR 10.14 Water Supply and Distribution System (Cornell LII) · EIA Massachusetts state energy data
Not sure which rules and rebates apply to your home?
A licensed Massachusetts pro will walk you through code, the right unit, and what you can claim back — in one quick call.
No obligation — talk through your options.
Money back in Massachusetts
Massachusetts water heating is mostly gas, which shapes the money back:
- Federal30% of cost, up to $2,000Federal 25C tax credit →
For a qualifying ENERGY STAR heat pump water heater. Claimed on your federal return.
The federal 25C tax credit (30%, up to $2,000 for a heat pump water heater) applies in every state; Massachusetts' main HPWH rebate is the $750 utility-administered Mass Save program, excluded here as utility-only.
Ready to get your water heater fixed in Massachusetts?
Speak with a licensed, insured water heater pro near you. Upfront pricing, same-day availability, no obligation.
- Licensed & insured
- Same-day availability
- Upfront, no-pressure pricing
- Local pros near you
No obligation — talk through your options.
All 89 Massachusetts cities
Type your city to jump straight to local pricing.
- Boston666k
- Worcester204k
- Springfield155k
- Cambridge118k
- Lowell115k
- Brockton105k
- Quincy101k
- Lynn101k
- New Bedford101k
- Fall River94k
- Newton88k
- Lawrence88k
- Somerville80k
- Framingham72k
- Haverhill67k
- Malden65k
- Waltham65k
- Brookline63k
- Medford62k
- Revere61k
- Taunton59k
- Weymouth Town57k
- Chicopee55k
- Peabody54k
- Methuen Town53k
- Barnstable Town49k
- Everett49k
- Attleboro46k
- Arlington46k
- Salem45k
- Pittsfield44k
- Leominster44k
- Beverly42k
- Fitchburg42k
- Marlborough41k
- Woburn41k
- Westfield41k
- Chelsea40k
- Braintree Town39k
- Holyoke38k
- Watertown Town35k
- Randolph Town35k
- Lexington34k
- Amherst Town33k
- Franklin Town33k
- Needham32k
- Norwood31k
- North Attleborough Town31k
- Wellesley30k
- Gloucester30k
- Melrose29k
- West Springfield Town29k
- Agawam Town29k
- Saugus29k
- Bridgewater Town29k
- Milton28k
- Northampton28k
- Danvers28k
- Milford28k
- Wakefield27k
- Belmont27k
- Burlington26k
- Reading25k
- Dedham25k
- Wilmington23k
- Stoneham23k
- Winchester23k
- Gardner21k
- Marblehead20k
- Winthrop Town19k
- Newburyport18k
- Somerset18k
- Greenfield18k
- Southbridge Town18k
- Amesbury Town17k
- Abington17k
- Easthampton Town16k
- Longmeadow16k
- Hudson15k
- Swampscott15k
- North Adams13k
- Lynnfield13k
- Palmer Town12k
- Webster12k
- South Yarmouth12k
- Holbrook11k
- Maynard11k
- Nantucket10k
- Hull10k
89 cities
Hot water back in three steps.
- 1
Tell us what’s wrong
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- 2
Get matched with a local pro
We connect you with a licensed, insured water heater specialist near you — often the same day.
- 3
Repair or replace, fast
Your pro confirms the price on-site and gets your hot water back. Most jobs done in a few hours.
Water heater FAQs — Massachusetts
In Massachusetts, a plumbing permit is generally required for a water heater replacement. Your licensed plumber pulls it; it covers the gas/venting and expansion tank.
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