Upfront cost is not total cost. A cheap water heater with high operating costs can cost more over 10 years than an expensive one with low operating costs. This guide covers both.
Total installed cost by type
National averages for a standard residential replacement. Includes equipment and labor. Does not include additional work like panel upgrades, fuel conversion, or code-required additions.
| Type | Range | Typical | Notes |
|---|---|---|---|
| Electric Tank (50 gal) | $600-$1,800 | $1,200 | Cheapest to install. No venting. Highest operating cost. |
| Gas Tank (50 gal) | $900-$2,500 | $1,500 | Most common replacement. Like-for-like swap is straightforward. |
| Heat Pump (50-65 gal) | $2,000-$4,500 | $3,600 | Highest upfront, lowest operating cost. 3-6 year payback vs electric. |
| Heat Pump (80 gal) | $2,500-$5,500 | $4,200 | Large household. Higher equipment cost, same install complexity. |
| Gas Tankless (Condensing) | $2,700-$5,500 | $3,800 | Compact, endless hot water. Install is more complex. |
Sources: Angi, HomeGuide, Fixr, NerdWallet, HomeAdvisor, Homewyse (2025-2026 data).
10-year total cost of ownership
The cheapest unit to buy is rarely the cheapest to own. This table adds typical operating cost over 10 years to the installed price.
| Type | Installed | Annual Op. | 10-Yr Op. | 10-Yr Total |
|---|---|---|---|---|
| Electric Tank (50 gal) | $1,200 | $607/yr | $6,070 | $7,270 |
| Heat Pump (50-65 gal) | $3,600 | $193/yr | $1,930 | $5,530 |
| Gas Tank (50 gal) | $1,500 | $360/yr | $3,600 | $5,100 |
| Gas Tankless (Condensing) | $3,800 | $242/yr | $2,420 | $6,220 |
Operating costs at U.S. average rates: 17.24¢/kWh electricity, $1.36/therm gas (EIA, 2025-12).
Regional cost variation
Labor rates drive most of the geographic difference. Equipment costs are similar nationwide. These multipliers apply to the total installed cost.
Northeast
+10% to +30%
Highest labor rates. Strict codes in NY, NJ, MA, CT. Union labor common in metro
West
+5% to +25%
California highest (strict Title 24, high labor). Pacific NW moderate. Mountain
Midwest
-10% to +5%
Moderate costs. Chicago metro higher, rural areas lower. Competitive pricing.
Southwest
-10% to +5%
Texas competitive. Arizona moderate. Less code complexity in many areas.
Southeast
-15% to 0%
Generally lower labor costs. Less strict codes in some areas. Florida slightly h
Costs that catch you off guard
The quote for "a new water heater" often does not include these. Ask your installer about each one before signing.
| Item | Cost Range | When It Applies |
|---|---|---|
| Expansion Tank | $40-$150 | Required by most codes for closed plumbing systems. Often required on replacement even if not previously installed. |
| Earthquake Strapping | $20-$75 | Required in California and other seismic zones |
| Drain Pan And Drain Line | $50-$200 | Required when installed above living space or on wood floors in many jurisdictions |
| Temperature Pressure Relief Valve And Drain | $20-$60 | Always required. Usually included in unit price but discharge pipe to safe location may add cost. |
| Gas Shutoff Sediment Trap | $10-$50 | Code requirement for gas units. Drip leg/sediment trap at gas valve. |
| 100A To 200A | $1,500-$5,000 | Wide range based on region and utility requirements. SF Bay Area on high end. May require utility coordination and trenc |
| Add Subpanel | $500-$1,500 | Alternative to full panel upgrade if main panel has no open slots |
| Permits (plumbing + electrical) | $50-$800 | Varies widely by jurisdiction. Some cities charge flat fee ($50), others charge based on project value. Water heater rep |
| Old unit removal | $50-$200 | Hauling away old unit. Most plumbers include in labor cost. Standalone cost if hiring separately. Some areas have recycl |
| Gas-to-electric conversion | $500-$2,500 | New electrical circuit, cap gas line, remove venting. Cost depends on distance from panel to water heater location. |
Operating cost by state
Upfront cost is half the picture. Operating cost over 10-15 years often exceeds the purchase price. Electricity and gas rates vary widely by state:
- Alaska
- Alabama
- Arkansas
- Arizona
- California
- Colorado
- Connecticut
- District of Columbia
- Delaware
- Florida
- Georgia
- Hawaii
- Iowa
- Idaho
- Illinois
- Indiana
- Kansas
- Kentucky
- Louisiana
- Massachusetts
- Maryland
- Maine
- Michigan
- Minnesota
- Missouri
- Mississippi
- Montana
- North Carolina
- North Dakota
- Nebraska
- New Hampshire
- New Jersey
- New Mexico
- Nevada
- New York
- Ohio
- Oklahoma
- Oregon
- Pennsylvania
- Rhode Island
- South Carolina
- South Dakota
- Tennessee
- Texas
- Utah
- Virginia
- Vermont
- Washington
- Wisconsin
- West Virginia
- Wyoming
Common questions
How much does it cost to replace a water heater?
It depends on the type. A like-for-like electric tank swap is $600-$1,800. A gas tank is $900-$2,500. Upgrading to a heat pump runs $2,000-$4,500. Gas tankless is $2,700-$5,500. These include equipment and standard labor. Fuel conversions, panel upgrades, or permit requirements push costs higher.
What hidden costs should I budget for?
Expansion tanks ($40-$150) are now code-required in most areas. If switching from gas to electric/heat pump, you may need a new 240V circuit ($300-$1,100) and possibly an electrical panel upgrade ($1,500-$5,000). Permits run $50-$500 depending on jurisdiction. Fuel conversion (capping gas, running electrical) adds $500-$2,500.
Is a more expensive water heater worth it?
Run the 10-year math. A heat pump costs about $2,400 more upfront than an electric tank but saves roughly $414 per year in operating cost at national average rates. Over 10 years, the heat pump owner spends significantly less in total. State rebates can eliminate the upfront gap entirely.
Does switching fuel types cost extra?
Yes. Gas-to-electric or gas-to-heat-pump conversion costs $500-$2,500 for the electrical circuit work, on top of the unit and standard installation. Electric-to-gas is even more expensive ($1,000-$3,500) because it requires a new gas line run and venting installation.
Your next step
Sources. Cost data compiled from Angi, HomeGuide, Fixr, NerdWallet, Today's Homeowner, HomeAdvisor, and Homewyse (2025-2026). Operating costs from ENERGY STAR certified product data and EIA residential energy prices. Methodology