The short answer
Choose a style by the room's actual opening, operation, ventilation, view, privacy, furniture, exterior clearance, cleaning access, safety-glazing, egress, and product-availability needs. No style is universally best for a room type.
- Can the sash project inward or outward safely?
- Is ventilation or a fixed view the priority?
- How will screens and cleaning work?
- Do verified safety or egress rules apply?
- What exact rated products are available?
Sources
Sources
- Window Types and Technologies — U.S. Department of Energy
- Window Energy Performance Ratings — National Fenestration Rating Council
- Safety Standard for Architectural Glazing Materials — U.S. Consumer Product Safety Commission