11
Heating, ventilating, and air conditioning and purification equipment (ambient); Aeration apparatus; Extractors [ventilation or air conditioning]; Ventilating fans for household use; Humidification apparatus for use with air conditioning apparatus; Ventilating fans for industrial use; Air cleaning filters [parts of air cleaning machines or installations]; Ventilating fans for commercial use; Recuperators for pre-heating combustion air in heating systems by the use of hot flue gas; Electrical fans being parts of household ventilation installations; Ventilation [air-conditioning] installations and apparatus; Ventilating exhaust fans; Filters for air conditioning; Fans for air conditioning apparatus; Ventilating installations; Air filters for air conditioning units; HVAC systems (heating, ventilation and air conditioning); Filters for use with apparatus for air conditioning; Air purifying apparatus; Air purifying apparatus and machines; Air cleaning apparatus; Ionization apparatus for the treatment of air or water; Ionization apparatus for the treatment of air; Air cleaning apparatus for household purposes; Clean air cabinets (Air purification apparatus for -); Household air cleaners; Filters for cleaning air
35
Advertising, marketing and promotional services; Advertising and marketing services provided by means of social media; Advertising and marketing; Promotional marketing
37
Maintenance and repair of ventilating apparatus; Installation, repair and maintenance of heating equipment; Repair or maintenance of air-conditioning apparatus [for industrial purposes]; Repair or maintenance of air conditioning apparatus; Installation, maintenance and repair of air-conditioning apparatus; HVAC (Heating, ventilation and air conditioning) installation, maintenance and repair; Installation of apparatus for air-conditioning; Installation and repair of air-conditioning apparatus; Maintenance and repair of air conditioning apparatus; Installation, repair and maintenance of air reheaters