Towel Warming Solutions® are highlighted in literature from Heatsolve Ltd. The company says its electrical heating element replaces many competitor offerings of a cartridge element combined with water or glycol. According to the literature, the flexible heating element can be inserted into the rail of a towel warmer or heater to provide constant stable temperatures throughout the unit. The elements are said to be more efficient and have a silent operation. All elements and heaters from the company are approved to IEC and UL standards.