Plumbing · 2026 Cost Guide
What does water heater replacement cost?
Most homeowners in Chicagoland and DFW replace a standard tank water heater for a typical installed range shown below. Tankless units cost more upfront but last longer and save space.
| Job | Typical range |
|---|---|
| 40–50 gal gas tank, installed | $1,400 – $2,400 |
| 40–50 gal electric tank, installed | $1,300 – $2,200 |
| Tankless gas, installed | $3,000 – $5,500 |
| Expansion tank add-on | $150 – $350 |
| Haul-away of old unit | Often included |
Ranges reflect typical labor and standard materials in Chicago Metro and Dallas–Fort Worth. Your exact price is confirmed in a free written estimate.
What changes the price
- Fuel type and venting: switching from tank to tankless often means new venting and a larger gas line.
- Code updates: older installs may need a new expansion tank, drain pan or seismic straps.
- Access: basements and tight closets take longer than open utility rooms.
- Permits: Chicago and many suburbs require a permit and a licensed plumber.
Signs it's time to replace
- The tank is 10 to 12 years old or older.
- Rusty water, rumbling or popping sounds.
- Water pooling around the base.
- Running out of hot water faster than you used to.
Get an exact price
Use the instant estimate for a quick range, or request a free written estimate.