Cabinets used to control temperature and humidity for heating and proofing food goods; Electric heating fans; Electric radiant heaters ; Electric radiators for heating buildings; Electrical devices to be plugged into wall outlets having a heating element and which dispenses Heated towel warmers; Electrical heating cables; Fireplace inserts in the nature of wood fired boilers; Heat accumulators; Heat exchangers not being parts of machines; Heat pumps; Heat registers; Heat sinks for use in heating, cooling and ventilating apparatus; Heated dispensing unit for tissues, towelettes, wipes, cloths and pads; Heating furnaces ; Heating systems composed primarily of tubes, pipes and pre-assembled manifolds though which cold or low temperature water circulates; Hot-air space heating apparatus ; Hot-water space heating apparatus ; Pavement heating apparatus; Pipes for heating boilers; Solar heat collection panels; Spas in the nature of heated pools; Steam heating apparatus ; Steam radiators for heating buildings; Thermostatic valves