Water Heater Replacement in Somersworth
Get fast, fair pricing from licensed local pros. Typical Somersworth cost: $1.1k – $2.4k installed.
- Tank, gas
- $1.1k – $2.4k
- Tank, electric
- $850 – $2.2k
- Tankless, gas
- $2.6k – $5.2k+
- Heat pump hybrid
- $2.2k – $4.8k
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Water heater replacement cost by type.
Installed prices for Somersworth, adjusted for local labor. Larger tanks and code upgrades move the number up.
In Somersworth, New Hampshire, replacing a water heater typically costs between $700 and $3,500 depending on the type and installation complexity. With a median home age of 59 years, many homes have older units that may require code updates like expansion tanks on closed systems. New Hampshire requires a licensed plumber, a permit, and an inspection for all water heater replacements. Given the cold northern climate and cold inlet water, a heat pump water heater is a strong fit, offering efficiency and eligibility for the federal 25C tax credit (30% up to $2,000). Local labor rates reflect the area's median income of $75,841, and most homes use electric water heating.
- Tank, 40–50 gal gasThe default for most US homes$1,050 – $2,400
- Tank, 40–50 gal electricNo venting required$850 – $2,200
- Tankless, gasEndless hot water, higher BTU gas line often needed$2,600 – $5,200+
- Hybrid heat pumpMost efficient, qualifies for federal credits$2,200 – $4,800
- Permit & disposalMost jurisdictions require it$45 – $300
* Cold-region homes may need extra insulation or larger tanks.
Water heaters in Somersworth
U.S. Census ACS- Households
- 4,798
- Homeowners
- 3,388
- 59% own
- Median home value
- $265,900
- Median income
- $75,841
- Median home built
- 1967
- Housing units
- 5,701
With a median home built in 1967, many Somersworth water heaters are at or past their 8–12 year lifespan — a common reason replacements spike here.
What’s different about Somersworth.
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 Somersworth
Given New Hampshire’s cold northern climate and electric water heating, heat-pump (hybrid) is the sensible default for most Somersworth 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: NH Department of Energy - Home Electrification and Appliance Rebates · New Hampshire Plumbing Code 2018 (based on IPC 2018) - UpCodes · New Hampshire Plumbing Code Chapter 5 Water Heaters - UpCodes
What Somersworth code requires
Replacing a water heater in Somersworth follows New Hampshire rules under the International Plumbing Code (IPC), state-amended as the NH Plumbing Code. Here’s what applies statewide:
- 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 codeInternational Plumbing Code (IPC), state-amended as the NH Plumbing Code
- Good to know—
New Hampshire requires plumbing work, including water heater replacement, to be performed by a state-licensed plumber, with a permit and inspection.
Sources: NH Department of Energy - Home Electrification and Appliance Rebates · New Hampshire Plumbing Code 2018 (based on IPC 2018) - UpCodes · New Hampshire Plumbing Code Chapter 5 Water Heaters - UpCodes
Not sure which rules and rebates apply to your home?
A licensed Somersworth 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 Somersworth
New Hampshire water heating is mostly electric, which shapes the money back:
- StateUp to $1,750 (income-qualified; program launching mid-2026)NH Home Electrification and Appliance Rebates (HEAR) Program - heat pump water heater →
State-level program — verify eligibility before you buy.
- 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, including New Hampshire.
Ready to get your water heater fixed in Somersworth?
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- Licensed & insured
- Same-day availability
- Upfront, no-pressure pricing
- Local pros near you
No obligation — talk through your options.
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
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Your pro confirms the price on-site and gets your hot water back. Most jobs done in a few hours.
Water Heater Replacement in Somersworth, explained.
What Affects Water Heater Replacement Cost in Somersworth?
Prices vary by unit type: tank gas ($700–$1,750), tank electric ($800–$1,900), tankless ($1,300–$3,000+), and heat pump ($1,550–$3,500). Older homes may need additional work like updating venting or adding an expansion tank for closed systems. Permit and inspection fees are required by New Hampshire code, adding to the total. The cold winter inlet water can increase installation complexity for tankless units, and choosing a heat pump model may qualify for federal tax credits.
Common Water Heater Issues in Somersworth
Old Unit Failure
With a median home age of 59 years, many water heaters are past their lifespan and may leak or fail, especially in cold weather.
Expansion Tank Requirement
New Hampshire code requires an expansion tank on closed systems; older homes may lack one, adding to replacement cost.
Permit and Inspection Delays
All replacements need a permit and inspection by a licensed plumber, which can extend project timelines.
Water Heater Replacement FAQs — Somersworth
Yes, New Hampshire requires a permit and inspection for all water heater replacements. A licensed plumber must pull the permit.
Water Heater Replacement near Somersworth
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