97570461
Aug 30, 2022
Air conditioning apparatus and installations; Heat exchangers, other than parts of machines; Heat recovery ventilators; Heat accumulators; Heat diffusion collars and discs for use in furnaces; Heat generators; Heat guns; Heat pipes to cool heat producing components; Heat pumps; Heat registers; Heat sinks for use in heating, cooling and ventilating apparatus; Heat-stabilized polypropylene pipes for heating installations; 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, control panel switches, and electrical wire, all sold as a unit; HVAC units; Pipes for heating boilers; Air-conditioning, air cooling and ventilation apparatus and instruments; Central heating boilers; Central heating radiators; Fans for HVAC units; Thermostatic valves
Environmental Control Apparatus