HOW TO USE IT
How to use the Water Heater Replacement Cost Calculator
- 1
Choose the tank size and unit price (40-75 gal).
- 2
Enter the installation labor.
- 3
Add the old unit disposal and review the total.
THE MATH
Replacement formula
Total cost = unit + labor + disposalWater heater replacement has three costs: the tank, the plumber's installation labor and hauling away the old unit.
PRACTICAL EXAMPLE
A 50-gallon tank
A $900 tank with $300 labor and $100 disposal gives a total of about $1,300.
FAQ
Frequently asked questions
Tank or tankless?
Tank heaters are cheaper upfront ($900-$1,800 installed); tankless cost more ($2,000-$4,000) but last longer and save energy.
Electric or gas?
Gas heaters cost less to run where gas is available; electric is simpler and safer to install.
Do I need a plumber?
Yes — water heaters need code-compliant plumbing, venting and sometimes electrical work.