- EasyHeat® Warm Tiles® floor warming system is easily installed on subfloor or concrete slab, in thin-set or self-leveling compound materials. Warm Tiles® cables, which are supplied with standard 10 ft cold leads, are designed to supply at least 12 W per sq-ft when installed per instructions. Available in 120 and 240 VAC kits, Warm Tiles® systems are easy for distributors to stock and sell. Warm Tiles® cables are UL Listed, CSA Certified and conform to European directives. Please contact your local EasyHeat® representative for layout assistance.