1. Good Insulation: Fixed windows have no openable parts, resulting in better sealing and effectively preventing the exchange of cold and hot air, thus increasing indoor temperature and achieving an insulation effect.
2. Dustproof: Fixed windows, lacking openable parts, are less susceptible to external dust intrusion, maintaining a clean and hygienic indoor environment.
3. Good Sound Insulation: Fixed windows typically use thicker glass, or double or triple glazing, effectively reducing indoor noise and maintaining a quiet indoor environment.
