From the lab

Compare Types

Tank, tankless or heat pump? Gas or electric? Head-to-head verdicts by household, each with ten-year running costs on one published set of assumptions.

Where to start in Compare Types

New here? Start with tank vs tankless, the ten-year verdict the rest of this section builds on. If electricity is your only fuel, heat pump vs electric is the biggest running-cost gap in the house. If gas is already at the meter, gas vs electric settles it with one ratio taken from your own bills.

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