Floor Heating Systems for Carpet & Laminate Perfect for bedrooms, living rooms & basements Energy efficent, pennies-a-day to operate Available in 120v or 240v systems Environ II™ heats beneath carpet, laminate and floating wood floors. It fits directly between the floor surface and the pads and does not require thin-set or self leveling cement to install. Available in both 120v and 240v systems, as well as in a large array of size, it’s a top choice among most homeowners. Environ II™ ships with a 5-year warranty.