[Air conditioners; Air conditioning apparatus and installations; Air conditioning installations; Air conditioning units; Air cooling apparatus; Air-conditioning apparatus; Air-conditioning apparatus; Air-conditioning apparatus and installations; Air-conditioning installations; Air-conditioning, air cooling and ventilation apparatus and instruments; Aquarium heaters; Central air-conditioning installations; Central heating radiators; Components for air conditioning and cooling systems, namely, evaporative air coolers; Electric heaters for commercial use; Electric patio heaters; Electric radiant heaters; Electric space heaters; Feed water heaters; Filters, heaters and pumps sold in combination for use in hot tubs; Filters, heaters and pumps sold in combination for use in swimming pools; Filters, heaters and pumps sold in combination for use in swimming pools and hot tubs; ] Heat pumps [ ; Heat sinks for use in heating, cooling and ventilating apparatus; Heating boilers; Heating installations; Heating systems composed primarily of tubes, pipes and manifolds through which warm or high temperature water circulates; Heating systems composed primarily of tubes, pipes and pre-assembled manifolds through which cold or low temperature water circulates; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, solar panels, control panel, switches and electrical wire, all sold as a unit; Hot-air space heating apparatus; Hot-water space heating apparatus; Household air cleaners; Indoor radiant heating systems; Parts for heating and air conditioning systems, namely, heater cores and gas coolers for vehicles; Personal cooling system comprising tubing, a coolant source and temperature controls that may be incorporated into a garment; Portable electric heaters; Steam heating apparatus; Steam radiators for heating buildings; Thermostatic valves; Thermostatic valves as parts of heating installations; Valves for air conditioners; Water conditioning units; Water coolers; Water heaters; Water heaters for domestic, commercial and industrials; Window-mounting air-conditioners; Air conditioners for vehicles; Air conditioning apparatus; Evaporative air coolers; Evaporative air cooling units for domestic use; Evaporators for air conditioners; Heat accumulators; Heating furnaces; Hot water heaters; Immersion heaters; Kerosene heaters; Radiators; Solar thermal air systems for heating purposes; Solar water heaters; Spas in the nature of heated pools; Tankless water heaters ]