Signs Replacement Needed
Drafts around frames. Condensation between panes. Difficult operation. Visible decay or damage.
Window Types
Double-hung traditional style. Casement cranks out for ventilation. Fixed picture windows for views. Sliding for wide openings.
Energy Efficiency
U-factor indicates insulation value. SHGC measures solar heat gain. Low-E coatings reduce transfer. Gas fill improves performance.
Installation Options
Full-frame replacement most thorough. Insert replacement less invasive. Match installation to window condition. Professional installation recommended.
