Heating/ CALCULATOR

Heat-pump design-load coverage

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

Building design heat losskWUse a load calculated at the local heating design temperature.

Heat-pump capacity at design temperaturekWUse performance data at the same outdoor condition.

Available auxiliary heatkWCapacity controls can safely make available when the heat pump is short.

Heat-pump load coverage

87.50 %

Heat-pump capacity deficit

1.00 kW

Combined capacity margin

2.00 kW

Steady design condition and capacities stated at that same condition. Defrost, distribution loss, cycling, room imbalance, electrical limits and derating are excluded.

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Heating

Heat-pump daily electricity

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

Heating

Cost per useful heat delivered

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