Kompensator Kompensator is a self-regulating heater available in 12 volts or 24 volts often designed and supplied to suit customer specific requirements. Kompensator can be used to freeze protect water supply pipes and other metallic and non-metallic pipes. Kompensator is a low voltage heater, therefore compatible with battery use. Kompensator is used in the transportation industry, mining industry and off-grid applications. Available up to 100 feet in length; 3 or 5 watts per foot at 50°F.