Motors for fan and blower assemblies for heating, ventilating and air conditioning products; variable frequency drives for motors, other than for land vehicles, specifically for fan and blower assemblies for heating, ventilating, and air conditioning products; central vacuum cleaning systems for residential use, comprised of, central power units, canisters, outlets, switches, extension cords, protective hose sleeves, hose wall inlets, dust pan inlets and trim plates, installation kits, mounting brackets, rough-in kits, mounting plates for inlets, nail plates and duct outlet cover plates, sold as a unit; central vacuum cleaning attachments specially adapted for use with central vacuum cleaning installations for residential use, namely, hand tool kits comprised primarily of crevice tools, upholstery tools with brushes, floor/wall tools, tool caddies, electric power brushes, vacuum brushes, dusting brushes disposable soil bags, suction nozzles, hoses, turbine brushes, wands, upholstery tools, hard floor tools, brush tools for pet hair, mufflers, plastic tubing and tubing fixtures, and structural parts and fittings, wall caps, elbow piping, end caps, supervalves, car care attachment set, car and bare floor attachments, floor and rug tools, and hard surface floor tools, and structural replacement components therefor; replacement parts and accessories for central vacuum cleaning systems, namely, wall inlet valves, hoses, belts, motors, filters, powerheads, carpet brushes and gaskets; central vacuum cleaning systems for commercial use

Electronic control system for use with indoor air handling units, ventilation systems, air exchangers, bath exhaust fans, and range hoods; downloadable software to optimize performance of indoor air handling units, ventilation systems, air exchangers, bath exhaust fans, and range hoods; electronic sensors and controllers for environmental monitoring and control for use with ventilation systems; electronic sensors and plugs used with ventilation systems for sensing, monitoring, and detecting temperature, humidity, pressure, and other environmental factors; electronic control system for use with indoor air handling units, ventilation systems, air exchangers, bath exhaust fans, and range hoods; downloadable software and downloadable mobile applications to optimize performance of indoor air handling units, ventilation systems, air exchangers, bath exhaust fans, and range hoods; electronic control panels and switches for fans, air exchangers, and ventilation systems; electronic humidity sensors and controllers for use with ventilators; electric control system, namely, main electronic controllers for use with heating, air conditioning, humidifying, dehumidifying, ventilation; climate control systems consisting of digital thermostats and ventilation control devices; temperature controllers and electronic precision control systems in climate control devices for the control, diagnosis, programming and climate alarm in the home; wireless audio speakers for use next to household exhaust ventilation fans, bathroom exhaust fans and component parts thereof; electric door chimes; classic electric doorbells and buzzers; blinking light visual door signal and components therefor, namely, electronic module, transmitter, and receiver; wireless electronic door chime and extension therefor; lighted and non-lighted electric push-button switch for doorbell; electric wire for doorbell chime; transmitters, modules, and receivers for use with door signaling devices; electric timer switches and remote controls for heaters, ventilation fans and exhaust fans; time delay switches for heaters and exhaust fans and ventilation fans; variable speed controls for ventilation fans; electric timer controls, electric switches, thermostatic controls and humidity controls for attic fans and house fans; mounting frames for loudspeakers and intercom controls; wired mechanical electrically operated doorbells; electric doorbells with video function; electric light dimmers and light switches; electrical wall outlets; wired and wireless electronic controllers for thermostats, home automation systems, indoor and outdoor air quality, lighting, ventilation fans; electrical power devices in the nature of multimedia outlets for controlling automatic or scheduled turn on/off appliances plugged into the outlet; home and office automation systems comprising wireless and wired controllers, controlled devices, and downloadable and recorded software for lighting, hvac, security, safety and other home and office monitoring and control applications; electric dimmers and light switches; electrical power devices in the nature of multimedia outlets for controlling automatic and scheduled turn on/off appliances plugged into the outlet; home and office automation systems comprising wireless and wired controllers, controlled devices for safety and other home and office monitoring and control applications, namely, computer and smartphone hubs used for monitoring, controlling, scheduling and automating lighting, heating, air conditioning, and cameras, and downloadable and recorded software for lighting, hvac, security; downloadable electronic publications, namely, catalogs, installation guides, specification sheets in the field of heat and energy recovery ventilation; humidity sensing wall controls, namely, programmable electronic wall control for use with indoor air quality products, air supply speed controls for erv/hrv units, central control with dehumidistat, thermostat controllers for wall heaters, high temperature controls, electronic variable speed control for ventilation fans, fan and light controllers, and speed and time control switches; integrated electronic supplemental protection system comprised of downloadable or recorded software, temperature sensors and electrical control systems for heating and air conditioning systems, for managing the ventilator operation mode of ventilation fans, heat exchangers, heat recovery ventilators, energy recovery ventilators, apartment ventilators used in residential and light commercial buildings with regard to the airflows temperature readings of the aforementioned devices in order to ensure that supplied air is temperate, namely, that airflows temperatures are mixed in satisfying proportions; downloadable or recorded voice activation software for kitchen range hoods; electric sensors for use with kitchen range hoods, exhaust hoods for kitchens and cooking ventilation hoods; electric door chimes; electric door bells and buzzers; electronic and electronic musical door chimes; wireless electronic door chimes and extension cords therefor; electric door communication and lock control systems and components therefor comprised of speakers, door release modules, control amplifiers, and electrically operated door releases; lighted and non-lighted electric push button switch for doorbell; electrical wire for doorbell chime; radio transmitters, microphone modules, and radio receivers for use with door signaling devices; electronic variable speed controls for ventilation fans; electric timer switches for heaters, ventilation fans and house fans; electronic controls, switches and electronic sensors, all used to control hvac systems, central vacuum systems, exhaust fans, ventilating fans and range hoods

Respirators, namely, air purification masks

Fans, ventilation and air handling systems of all kinds including without limiting the generality of the foregoing, heat exchangers, fans, air make-up units, air cleaners, air treatment and handling equipment of all kinds.

Air filtration, air purification, and dust control equipment - namely, air filters; filtration-type dust collectors.

Air filtration, air purification, and dust control equipment-namely, air filters; filtration-type dust collectors; filtration-type dust collection systems; and parts for all of the foregoing.