kW Calculator
What Size Stove Do I Need?
Calculate the exact kilowatt output required to heat your room comfortably. Takes ceiling height, insulation quality, wall exposure, and window count into account.
Room Dimensions
Ceiling Height: 2.4m
2.2m standard3.5m high ceilings
Heat Loss Factors
Recommended Output
0
kilowatts
Size for the room you're heating — not your whole home
Open-plan spaces need higher output — add room areas together
Irish winters rarely drop below -5°C — don't oversize your stove
Not sure about your measurements? Our free home survey includes a full room assessment and stove specification.
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