[ Air cleaning units; ][ Air cleaning units containing an air filter, ultraviolet lights and a photocatalytic filter; Air conditioners; Air conditioning apparatus; Air conditioning apparatus and installations; Air conditioning installations; Air conditioning panels for use in walk-in coolers; Air conditioning units; Air cooling apparatus; Air diffusers for household appliances; Air exchangers for cleaning and purifying air; Air filtering installations; Air filters for air conditioning units; ...

Computerized on-line ordering services in the field of HVAC equipment and accessories other than HVAC equipment and accessories relating to automobiles and other vehicles; computerized on-line retail store services in the field of HVAC equipment and accessories other than HVAC equipment and accessories relating to automobiles and other vehicles; electronic commerce services, namely, providing information about products via telecommunication networks for advertising and sales purposes other th...