Homeowner checklist

Windows: frames, glass and energy performance

Use these steps to plan, check and keep a record of your next actions.

• Record the problems and operating needs at each window.
• Compare whole-window ratings for exact models using consistent units.
• Consider solar gain and daylight alongside heat-transfer performance.
• Include wall connections, drainage, air sealing and finishing in the quote.
• Keep labels, warranties and completion photos for the installed windows.

Notes & questions to follow up