Water Heater Replacement in Wilmington
Get fast, fair pricing from licensed local pros. Typical Wilmington cost: $950 – $2.2k installed.
- Tank, gas
- $950 – $2.2k
- Tank, electric
- $750 – $1.9k
- Tankless, gas
- $2.3k – $4.6k+
- Heat pump hybrid
- $1.9k – $4.2k
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Water heater replacement cost by type.
Installed prices for Wilmington, adjusted for local labor. Larger tanks and code upgrades move the number up.
In Wilmington, Ohio, water heater replacement costs typically range from $600 to $1,700 for tank units and $1,150 to $3,100+ for tankless or heat pump models. With a median home age of 52 years and cold winter inlet water, many homes need a reliable gas unit, which is the recommended choice given the area's mostly gas water heating infrastructure. Ohio's plumbing code requires a permit for replacement, and an expansion tank is needed if your system has a check valve or pressure-reducing valve. While a drain pan is not required unless one was previously installed, it's a good idea to consider one for older homes. The federal 25C tax credit offers 30% (up to $2,000) for qualifying heat pump water heaters, but Ohio's HEAR rebates had not launched as of mid-2026.
- Tank, 40–50 gal gasThe default for most US homes$950 – $2,200
- Tank, 40–50 gal electricNo venting required$750 – $1,950
- Tankless, gasEndless hot water, higher BTU gas line often needed$2,300 – $4,600+
- Hybrid heat pumpMost efficient, qualifies for federal credits$1,950 – $4,200
- Permit & disposalMost jurisdictions require it$40 – $275
* Cold-region homes may need extra insulation or larger tanks.
Water heaters in Wilmington
U.S. Census ACS- Households
- 5,068
- Homeowners
- 2,925
- 51% own
- Median home value
- $147,900
- Median income
- $48,407
- Median home built
- 1974
- Housing units
- 5,771
With a median home built in 1974, many Wilmington water heaters are at or past their 8–12 year lifespan — a common reason replacements spike here.
What’s different about Wilmington.
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 Wilmington
Given Ohio’s humid continental (cold winters) climate and gas water heating, high-efficiency gas is the sensible default for most Wilmington 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: 2024 Ohio Plumbing Code (IPC), Chapter 5 Water Heaters — UpCodes · EIA — Ohio state energy data · Ohio heat pump / HEAR rebate status — Home Energy Basics
What Wilmington code requires
Replacing a water heater in Wilmington follows Ohio rules under the International Plumbing Code (IPC) — Ohio Plumbing Code, based on 2021 IPC. 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 (check/PRV/backflow present)
Required where a pressure regulator or backflow preventer is present.
- Plumbing codeInternational Plumbing Code (IPC) — Ohio Plumbing Code, based on 2021 IPC
- Good to know—
Ohio Plumbing Code does not require a drain pan to be added for a replacement water heater where one was not previously installed (OPC 504.7)
Sources: 2024 Ohio Plumbing Code (IPC), Chapter 5 Water Heaters — UpCodes · EIA — Ohio state energy data · Ohio heat pump / HEAR rebate status — Home Energy Basics
Not sure which rules and rebates apply to your home?
A licensed Wilmington 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 Wilmington
Ohio 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 qualifying heat pump water heater) applies in every state; Ohio's IRA-funded Home Energy Rebates (HEAR), which would add up to $1,750 for a heat pump water heater, were DOE-approved but had not launched as of mid-2026.
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Hot water back in three steps.
- 1
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- 2
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- 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 Wilmington, explained.
What affects water heater replacement cost in Wilmington?
Prices vary based on unit type (gas tank, electric tank, tankless, or heat pump), with gas tank units being the more affordable option locally. Labor costs reflect local rates, and older homes (median built 1974) may require additional work like updating venting or gas lines. Permit fees are required by Ohio code, and an expansion tank may be needed if your system is closed. Winter inlet water temperature is cold, which can affect recovery time but not installation cost.
Common water heater issues in Wilmington homes
Sediment buildup
Hard water and age lead to sediment accumulation, reducing efficiency and causing noise.
Rust and corrosion
Older tanks (52-year-old homes) often have rust, especially in humid basement conditions.
Incorrect venting
Gas units in older homes may have outdated or unsafe venting that needs updating to meet current code.
Water Heater Replacement FAQs — Wilmington
Yes, Ohio Plumbing Code requires a permit for water heater replacement. Your contractor should handle this.
Water Heater Replacement near Wilmington
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