Air conditioners; hot air apparatus; humidifiers; dehumidifiers for household use; electric ranges; water purifiers for household purposes; electric water ionizers for household purposes; membrane filtration units for water treatment apparatus; solar thermal collectors; electric air cleaners; heating units; gas ranges; electric ovens for household purposes; cooking utensils, electric; electric refrigerators; electric clothes dryers; clothes management machines for drying clothes (electric) for household purpose; electric clothing management machines having the functions of deodorizing, sterilizing and steaming garments for household purposes; electric clothes drying machines with sterilization, deodorization and crease-resistant treatment functions for household purposes; sinks; electric fans; ceiling fans; air circulation fans; ventilating fans; filters for filtering air; air filters for air conditioning units; air filters for air cleaners; apparatus for heating, ventilating and air conditioning

Repair or maintenance of electronic machines and apparatus; providing information relating to the repair or maintenance of electronic machines and apparatus; electric appliance installation and repair; installation, maintenance and repair of air conditioning apparatus; maintenance of air conditioners; routine servicing of air conditioning apparatus; retrofitting of heating, ventilating and air conditioning installations in buildings; installation, maintenance and repair of air freshening apparatus; maintenance of telecommunication machines and implements; installation of air purifiers; maintenance of range of hoods for household purposes; installation and repair of heating, ventilating and air conditioning systems; installation, maintenance and repair of ventilating apparatus; installation, maintenance and repair of electrical and electronic apparatus and equipment; providing information relating to the repair or maintenance of electric cooking apparatus and installations; air purifying apparatus and machines cleaning; cleaning of heating and cooling machines and apparatus; range hood cleaning services; air duct cleaning services; disinfecting and washing of air conditioners