How Do You Know When It's Time to Replace Your Windows?

1. Drafts and air infiltration

If you can feel cold air near a closed window, the seal or weatherstripping has failed. This drives up heating costs and reduces comfort.

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2. Condensation between the glass panes

Fogging or moisture between double or triple-pane glass means the insulating seal has broken. The window's energy performance is permanently compromised and cannot be repaired — only replaced.

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3. Difficulty opening, closing, or locking

Windows that stick, jam, or no longer lock properly are a security and safety concern, and often indicate frame warping or hardware failure.

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4. Visible frame damage

Cracking, rotting, warping, or soft spots in the frame allow water infiltration and signal structural failure.

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5. Rising energy bills

If your heating or cooling costs have increased without explanation, failing windows may be the culprit. Old or degraded windows are a major source of energy loss in Canadian homes.

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6. Excessive outside noise

Modern double or triple-pane windows provide meaningful sound attenuation. If street noise seems louder than it used to, your windows may have lost their seal or lack adequate glazing.

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