Engineering services; design consulting and engineering services in the field of air-conditioning, heating and HVAC systems and components therefor; design consulting and engineering services in the field of swimming pool heating systems and components therefor

Air-conditioning apparatus for industrial purposes; heating furnaces for industrial purposes; filters, heaters and pumps sold in combination for use in swimming pools; heating, ventilating, and air conditioning components, namely, condenser coils, evaporator coil assemblies, heat exchanger assemblies for HVAC systems, and heater assemblies for swimming pools

Air-conditioning apparatus for industrial purposes; heating furnaces for industrial purposes; filters, heaters and pumps sold in combination for use in swimming pools; heating, ventilating, and air conditioning components, namely, condenser coils, evaporator coil assemblies, heat exchanger assemblies for HVAC systems, and heater assemblies for swimming pools