When to replace windows and save energy
Weather Shield experts say most homes with windows over 25 years should consider replacements to improve energy efficiency and preserve the home envelope. Tests include wind drafts with a candle, ice buildup in winter, insufficient insulation, easily propped windows, visible cold or hot air, and fogged condensation indicating seal failure. Options include Weather Shield Custom Shield and RetroVision vinyl replacements, Tilt Sash kits, and professional installation.