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Double-pane windows: what homebuyers should ask

September 25, 2026 · Whit Green Home Inspections

Windows deserve more than a glance when you are buying a home. The type of glass is one detail, but the condition and operation of the window matter too. A newer-looking window can still raise questions about its frame, hardware, or installation history.

Look at condition as well as the label

Double-pane windows contain two panes of glass with a space between them. If you notice persistent cloudiness or moisture that appears to be between the panes, point it out during the inspection. Ask a window professional to evaluate the condition and discuss repair or replacement options.

Ask about operation and past repairs

Tell your inspector about windows that are difficult to open, damaged locks, staining, or repairs described by the seller. Paint, furnishings, and other access conditions may limit what can be operated or observed. The report should document relevant limitations.

Plan a replacement project carefully

If you are considering new windows, compare the product, installation details, warranty, and the condition of the surrounding materials. Ask the installer what work is included around the opening and how they will address any damage found during removal. Do not assume that every problem requires replacing the entire window.

For a property in Baton Rouge, Prairieville, or nearby communities, learn about our home inspection scope and bring your window questions to the appointment.

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