11 Heating accumulators; cooling devices, namely, ventilators for cooling and for creating a good indoor air quality, good indoor comfort; Cooling devices in the nature of coils as parts of cooling installations, namely, cooling coils and run around coils; Cooling devices in the nature of replacement parts for cooling installations, namely, cooling coils and run around coils; heating devices in the nature of coils as parts of heating installations, namely, heating coils, after heating coils, pre-heating coils, and run around coils; Heating devices in the nature of replacement parts for heating installations, namely, heating coils, after heating coils, pre-heating coils, and run around coils; heat pumps; heat generators; Heat exchangers not being parts of machines, namely, plate heat exchangers, rotary heat exchangers, and run around coils; ventilation installations, namely, box fans, roof fans, wall fans, duct fans, inline fans; ventilators for heating, cooling and for creating a good indoor air quality, good indoor comfort; Extractor hoods for kitchens, namely, cooker hoods for extracting particles and odor from the cooking process; exhaustion installations, namely, air terminal devices for supplying and extracting air; air conditioning systems, namely, air-conditioning apparatus and installations; air conditioning systems comprised of Air Handling Units and Installation; "Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, comprised of Air Handling Units and ventilation system all sold as a unit; heat recovery installations, namely, heat recovery ventilators; fire and smoke valves, namely, fire and smoke dampers as parts of ventilation installations; cold water coils, namely, cooling coils as parts of cooling installations; replacement parts and accessories for all said goods, namely, wall fans, roof ducts, and fan control systems in the nature of controlling these products and the air treatment they provide