SHSTEADFASTTHE PRACTICAL HOME GUIDE

Heating/ CALCULATOR

Cost per useful heat delivered

Compare input energy and cost for a useful heating demand and seasonal performance factor.

Heat that must reach the conditioned space.
COP for a heat pump, or delivered efficiency as a decimal for another system.
Price per kWh of purchased input energy.
Purchased input energy

333.33 kWh

Estimated energy cost

66.67 currency

One constant performance factor and one unit price. Fixed charges, demand tariffs, fuel conversion, maintenance, standby and auxiliary energy are excluded.

Continue your calculation

Heating

Heat-pump design-load coverage

Compare building heat loss with heat-pump and auxiliary capacity at the same outdoor design condition.

Heating

Heat-pump daily electricity

Convert useful heat from the heat pump and auxiliary heater into an ideal daily electricity estimate.