Radiant Heat with Heatwave Heatizon Systems Heatwave Floor Heating Mats are a convenient way to add heat to smaller areas. Easy mat layout provides for an easy installation with direct hookup to on of our programmable thermostats. Mats are supplied in carious lengths at 12", 18", and 36" widths. Features: 10 Year Warranty 10 to12 watts per square foot 100% efficient Thermostatically Controlled Adds Comfort to Cold Surfaces Promotes Indoor Air Quality Heatwave Applications : Heatwave floor mats are used for a number of applications such as bathrooms, Kitchens, Utility Rooms, Entry Ways and under a variety of floor coverings.