PA

Electronic actuators; commercial and residential zone climate control systems consisting of digital thermostats, motorized dampers, pressure operated dampers and electronic control panels that allow multiple thermostats to operate and control a single residential or commercial air conditioning and/or heating unit while signaling dampers to regulate air distribution to individual zones; commercial and residential zone climate control systems composed of a zone control panel in the nature of a low voltage printed circuit board with inputs and outputs utilizing flashable microprocessors containing specialized programming, used in conjunction with digital thermostats, temperature sensors, motorized air control dampers used in ducts to control the flow of air, motorized and non-motorized barometric dampers used in air ducts to regulate the flow of air based upon pressure; room air temperature control devices, namely, digital and programmable thermostats, with or without wireless or remote programming capabilities

Air distribution devices, namely, air distribution grilles, registers in the nature of grilles with multi-shutter or opposed blade dampers and air diffusers for residential, light commercial and commercial air distribution, active thermally responsive diffusers and active thermally responsive grilles for regulation of air volume and flow pattern based upon user specified temperature; air cooling and heating apparatus in the nature of commercial variable air volume (VAV) units; air distribution units, namely, fan powered air terminal units (ATU); air cooling and heating apparatus in the nature of commercial variable air volume (VAV) units with electronic controllers; air distribution units, namely, fan powered air terminal units (ATU) with electronic controllers; air heating and cooling apparatus in the nature of commercial variable air volume (VAV) units without electronic controllers; air heating and cooling apparatus in the nature of air terminal units (ATU) without electronic controllers; air heating and cooling apparatus in the nature of commercial variable air volume (VAV) units provided as a set with fans and accessories, namely, electric duct heaters, hot water coils and sound attenuators; air distribution units, namely, fan powered air terminal units (ATU) provided as a set with fans and accessories, namely, electric duct heaters, hot water coils and sound attenuators