9
Solar cells; Solar energy collectors for electricity generation; Photovoltaic modules
11
Space heating apparatus; Gas space heaters; Underfloor heating apparatus and installations; Solar powered ventilation apparatus; Central heating boilers; Boilers for central heating installations; Gas boilers for central heating; Electric central heating boiler systems; Boilers being parts of central heating installations; Boilers for use in heating systems; Heating apparatus; Electric air conditioners; Room air conditioners; Storage heaters; Hot-water space heating apparatus [for industrial purposes]; Hot air heating apparatus; Combined heating and air conditioning apparatus; Electrical storage heaters; Electric space heaters; Electric radiant heating apparatus; Space heaters; Room heaters; Ventilating installations; Residential ventilating units; Air heating installations; Air-conditioning installations; Air reheaters; Heating apparatus, electric; Air conditioning apparatus for industrial use; Domestic air conditioning installations; Air-conditioning apparatus; Gas fired back boiler units for domestic central heating; Heat pumps; Evacuated heat pipe solar collectors [heat exchangers]; Bathroom heaters; Boilers; Heating installations; Burners; Burners for the combustion of oil in boiler units; Burners for the combustion of gas in boiler units; Burners for boilers; Heating units; Hot plates; Heating boilers
37
Installation of apparatus for air-conditioning; Installation of apparatus for ventilating; Installation of heating and cooling apparatus; Installation of apparatus for heating; Installation of solar heating systems; Installation of central heating apparatus; Installation and repair of air-conditioning apparatus; Heating equipment installation and repair; Installation, maintenance and repair of air-conditioning apparatus; Installation, repair and maintenance of heating equipment; Maintenance of electronic or air conditioning systems; Maintenance and repair of heating; Maintenance and repair of solar heating installations; Retrofitting of heating installations in buildings; Retrofitting of heating, ventilating and air conditioning installations in buildings; Retrofitting of ventilating installations in buildings; Retrofitting of air conditioning installations in buildings; Repair or maintenance of air-conditioning apparatus [for industrial purposes]; Repair or maintenance of air conditioning apparatus; Repair or maintenance of boilers; Advisory services relating to the installation of heating and cooling apparatus; Air conditioning contractor services; Heating contractor services