Air-conditioning windows with natural wood insulation/energy-saving insulating glass with reinforced insulation.

Glass: 5 Ultra-clear Low-E glass with 14 warm edge panels, 5 Ultra-clear Low-E glass with 14 warm edge panels, and 5 Ultra-clear fully tempered insulating glass panels.

Gaskets: German-imported standard EPDM rubber (partially using soft and hard co-extruded rubber), with five sealing layers and flexible overlapping between the rubber strips for enhanced sealing performance.

Hardware: Italian-imported AGB concealed hardware, RC2-rated multi-point security hardware with magnetic attachment, and German-imported Hobo security handles.