How Much Does Tank Water Heater Installation Cost?
Average cost: $750 | Range: $400 – $1,200
Average Cost
$750
Low End
$400
High End
$1,200
Time Required
2-5 hours
What Affects the Price?
Standard 40-50 gallon tank replacements are the most common. Gas installations cost more than electric due to gas line work. Many jurisdictions require expansion tanks and permits.
Key Cost Factors
- Tank size
- Gas vs electric
- Disposal of old unit
- Permits
- Expansion tank
DIY vs. Professional
DIY
This service requires a licensed plumber. DIY attempts risk additional damage or safety hazards.
Professional
Licensed plumbers ensure code compliance, warranties on work, and liability coverage.
Cost: $400 – $1,200
Cost by State (Sample)
| State | Low | High | Avg |
|---|---|---|---|
| Alabama | $352 | $1,056 | $660 |
| Alaska | $540 | $1,620 | $1,013 |
| Arizona | $388 | $1,164 | $728 |
| Arkansas | $340 | $1,020 | $638 |
| California | $580 | $1,740 | $1,088 |
| Colorado | $440 | $1,320 | $825 |
| Connecticut | $500 | $1,500 | $938 |
| Delaware | $432 | $1,296 | $810 |
| Florida | $408 | $1,224 | $765 |
| Georgia | $380 | $1,140 | $713 |
Frequently Asked Questions
Always Get 3 Quotes
Plumbing prices vary by 20–50% between contractors. Getting multiple quotes is the single best way to avoid overpaying.
How to Find a Good Plumber →Home Warranty Coverage
A home warranty may cover tank water heater installation for a flat service fee instead of the full repair cost.
Compare Warranties