VEVOR 90 Sqft 120V Electric Radiant Floor Heating Mat with Alarmer and Programmable Floor Sensing Thermostat Self-Adhesive Mesh Underfloor Heat Warming Systems Mats Kit
It consumes about one kilowatt hour of electricity per hour. After the temperature rises, it will save power in the insulation state, but it also depends on the temperature you set and the insulation condition of the house.