Heat pumps; Air conditioners; Air conditioning units; Air conditioning apparatus; Window-mounted air conditioners; Smart air conditioning apparatus; Smart air conditioners; Air cooling systems comprised of air conditioning and desiccating units; Air-conditioning apparatus; Residential air-conditioning units; Domestic air-conditioning apparatus; Smart air-conditioning apparatus; HVAC units; Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air filters for air conditioning units; Air filtering units; Filters for air conditioning; Air conditioning filters; Filters for air purifiers; Air filters for HVAC units; Air filters for household purposes; Air filters for household use; Air filters for air-conditioning units; Filters for use with apparatus for air conditioning; Filters and filtering devices for air and gas conditioning; Air-conditioning filters; Filters for air-conditioning; Filters for use with apparatus for air-conditioning