Air-conditioning apparatus and installations; Air filtering installations; Bathroom exhaust fans; Fabric air dispersion ducts for distributing and dispensing air as part of a HVAC system; Fans for air conditioning apparatus; Fans for HVAC units; Filters for air extractor hoods; Heating systems for residential and commercial buildings comprised of boilers, valves, pipes, manifolds, control panel switches, and electrical wire, all sold as a unit; Replacement components for automotive air conditioners, namely, driers and blower motors; Ventilating exhaust fans; Ventilating louvers; Ventilating, high-velocity fixed exhaust fans for commercial and agricultural use; Ventilation apparatus, namely, cordless floor drying cone dolly; Ventilation fan accessories, namely, grilles