Mestic Heaters

A 1,500W heater uses 1.5 kWh an hour. Here is how to calculate your own cost, why the rated figure overstates it, and how the heater compares with everything else.

If electricity is included in your pitch fee the answer is easy. If it is metered, the setting matters more than the heater. Here is how to work out which applies.

Size the heater to your hook-up, not to the room. Why the number of heat settings matters more than maximum output, and where gas still wins.