Water Heater Replacement Cost
Replace a tank or tankless water heater with a new energy-efficient unit.
National Average
Typical range: $800 – $3,500
Based on national contractor surveys and RS Means data. Updated 2026-05-25.
Hire a Professional
Typical range: $800 – $3,500
Materials
$860
Labor
$1,075
Other
$215
Includes materials, labor, overhead, and profit. Prices vary by region.
The Right Tools Make All the Difference
Whether you hire a pro or DIY, having the right tools on hand saves time and money. Here's what water heater replacement actually requires.
What Affects the Cost of Water Heater Replacement?
| Factor | Impact |
|---|---|
| Type (tank vs tankless) | Can affect total by 10-30% |
| Fuel source (gas, electric, hybrid) | Can affect total by 10-30% |
| Gallon capacity | Can affect total by 10-30% |
| Installation complexity | Can affect total by 10-30% |
| Permits | Can affect total by 10-30% |
Project Details
Time to Complete
2-6 hours
DIY Possible?
No
Permits Required?
Yes
Why You Shouldn't DIY This
No — hire a licensed professional.
Water Heater Replacement requires specialized skills, tools, and often permits. A botched job can cause water damage, structural issues, or safety hazards — costing far more to fix than doing it right the first time. Most jurisdictions require permits for this work. Get 3 quotes from licensed contractors.
See the tools you need →Going the DIY route? Start with the right tools.
Most homeowners who try DIY water heater replacement without proper tools end up hiring a contractor anyway — after wasting a weekend. These are the tools contractors actually use.
Verify the Work — Tools Every Homeowner Needs
Before hiring (or DIYing), make sure you have the right tools to verify quality work.
Pipe Wrench Set
Verify quality, measure, and inspect the work yourself
Water Leak Detector
Verify quality, measure, and inspect the work yourself
Dielectric Union Fittings
Verify quality, measure, and inspect the work yourself
Expansion Tank
Verify quality, measure, and inspect the work yourself
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Cost by City
| City | Est. Low | Est. High | Avg |
|---|---|---|---|
| New York, NY | $1,080 | $4,725 | $2,903 |
| Los Angeles, CA | $1,040 | $4,550 | $2,795 |
| Chicago, IL | $880 | $3,850 | $2,365 |
| Houston, TX | $760 | $3,325 | $2,043 |
| Phoenix, AZ | $760 | $3,325 | $2,043 |
See all 20 cities for complete regional pricing.
Shop the Tools Professionals Use
Same quality tools contractors use, delivered to your door.
Browse Tools on Amazon →Related Services
Related Resources
Frequently Asked Questions
How much does water heater replacement cost?
The national average for water heater replacement is $2,150 per unit, with a typical range of $800 to $3,500. Prices vary by city, contractor, and project complexity.
Can I do water heater replacement myself?
No, this requires professional expertise. Always hire a licensed, insured contractor.
How long does water heater replacement take?
Typical timeline: 2-6 hours. This varies based on project size, weather (for exterior work), and contractor availability.
Disclaimer
Cost estimates are based on national averages and regional cost adjustment factors. Actual prices vary by contractor, scope, and local market conditions. Always get multiple quotes before hiring. Product links are affiliate links — we earn a commission at no cost to you.