Calculators

Give our handy calculators below a whirl to work out your heating requirements for either a heat pump or radiant heating for your home.

Heat pump sizing guide

Room area (sq metres)

Average ceiling height (metres)

Location

House insulation level

Radiant heat
sizing guide

Area of Underfloor Heating (sq metres)

Small rooms requiring radiators (<15 m²)

Medium rooms requiring radiators (15 to 25 m²)

Large rooms requiring radiators (25 m²+)