WarmlyYours Environ Flex Roll 1.5′ x 70′ 240V Electric Radiant Floor Heating Kit With nSpire Touch Programmable Touchscreen ThermostatWarmlyYours was the first to introduce nonadhesive, foil, electric floor heating to the North American market, and we have over a decade of experience with this advanced design heating technology. At 12 watts per square foot, the energy efficient Environ systems allow for the gradual warming of delicate carpet and floating wood floor coverings. The Environ Flex Rolls are flexible and specifically designed for easy installation under the carpet,