Calorique LLC is the Premier USA Manufacturer of Electric Radiant Ceiling Heat. Calorique’s technology is superior to any other. Thin film panels staple to the underside of ceiling joists. 3 Popular sized widths are designed for standard joist spacing of 12″, 16″ and 24″ on center. Perfectly Warm Ceiling Heat is Primary heat and warms you naturally just like the sun ! Perfect for finishing basements, additions and remodeling projects. This easy to install product features a 25 Year Limited warranty. Calorique LLC - 800-922-9276