[Class : 11] Heating Boilers; Gas Boilers; Boilers For Heating Installations; Steam Boilers, Other Than Parts Of Machines; Solid Fuel Heated Boilers; Pipes For Heating Boilers; Heating Systems Composed Primarily Of Tubes; Steam Generators; Heating Apparatus For Solid, Liquid Or Gaseous Fuels; Boiler Pipes Of Heating Installations; Gas Fires; Heating Furnaces; Apparatus And Installations For Heating; Cooling Installations For Liquid; Evaporative Air Coolers; Air Cooling Apparatus; Heat Generators And Accumulators; Heat Pumps; Heat Pipes To Cool Heat Producing Components; Components For Air Conditioning And Cooling Systems, Namely, Evaporative Air Coolers; Heating And Cooling Panels Used For Indoor Heating And Cooling Purposes; Heat Recovery Ventilators.