temperature controllers for warming and cooling liquids; electrical controllers; Fire alarm and emergency evacuation devices, namely, heat detectors; electric heat regulators; heat regulating apparatus, namely, electrical heat sequencers; heat sensors; coolant temperature sensors; heating meters, namely, electric meters and gas meters; electrical sensors, namely, apparatus for sensing the presence or absence of individuals or objects by contact or pressure; temperature sensors; electrical monitoring apparatus, namely, humidity sensors; LED position sensors; ultrasonic sensors; electrical movement sensors to detect building intrusions; alarm sensors; timing sensors; heat sinks for use in electrical components; heat sensing identification indicators; heat resistant electric cables and wires; electrical control devices for energy management; air analysis apparatus; thermal controls, namely, thermostats; programmable controls, namely, thermostats; electrical control boards, panels and circuits for machinery; electronic motion controllers; electronic control systems for machines; blank magnetic data carriers, recording discs; blank compact discs, and DVDs; computer software for controlling machinery; electric lighting dimmers

cooling installations for air and liquids; air conditioning installations; air conditioning apparatus; air heating installations; hot air space heating apparatus; water filters; heat pumps; water coolers and heaters; circulators in the nature of water heaters; heating units for industrial purposes; heat exchangers; ventilators for heat exchangers not part of machines; heat accumulators; electrical hot air heaters; heating boilers; boilers for use in heating systems; heating rods; heating elements; cooling elements; heat generating filaments; water regulating valves; water control valves for faucets and toilets; safety valves for water heaters; valves for air conditioners; heat regulating devices, namely, valves, being parts of heating installations; coils as parts for heating installations; coils as parts for cooling installations; solar panels for use in heating; safety valves and fittings for water pipes, namely, check valves and ball valves; ventilating units; ventilating installations for buildings; fans for ventilating, namely, ventilating exhaust fans; humidifiers; de-humidifiers

Installation, maintenance and repair of scientific, optical, measuring, checking and teaching apparatus and instruments and parts and fittings therefor; installation, maintenance and repair of apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity and parts and fittings therefor; installation, maintenance and repair of apparatus and instruments for lighting, heating, steam generating, cooking, refrigerating, drying, ventilating, water supply and sanitary purposes and parts and fittings therefor; installation, maintenance and repair of apparatus and installations for air conditioning and parts and fittings therefor; installation, maintenance and repair of apparatus and instruments for cooling air and water and parts and fittings therefor; heating contractor services; installation, maintenance and repair of humidifiers and de-humidifiers and parts and fittings therefor; installation, maintenance and repair of ventilating apparatus and installations and parts and fittings therefor; advisory services relating to the installation, maintenance and repair of heating, cooling and ventilating apparatus