@wattgoal: A 1,500-watt heater running eight hours uses 12 kWh. At $0.16/kWh, that is about $1.92 per day or $57.60 over 30 days. Your real cost depends on your rate and thermostat cycling. Calculate yours at WattGoal.com/space-heater-electricity-cost. Safety: plug directly into a suitable wall outlet and follow the manufacturer's instructions. #SpaceHeater #HeatingCosts #EnergySaving #WattGoal