Interactive calculator

Pick a water heater with fewer surprises

Compare tank, tankless, and heat pump water heaters using your rates and hot water demand. See operating cost and a simple payback view.

Compare operating cost

Use your rates and household size to estimate annual water heating cost for each option.

Installed cost matters

Payback depends more on install constraints than internet averages. Enter your quotes when you have them.

Fit checks included

We flag common constraints (space, venting, gas line, electrical capacity) so you avoid surprise upgrades.