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Winter Window Adjustment: Why It’s Necessary and How Often It Should Be

December 22, 2025

Many homeowners are unaware that even high-quality PVC windows require regular adjustment. This is especially important in winter, when cold temperatures and wind expose any weaknesses in sealing and insulation.

What is winter window adjustment?
It involves adjusting the window hardware so that the sash presses more tightly against the frame. During winter, increased pressure improves insulation and reduces drafts.

Why is adjustment important?
– Window hardware wears over time
– Seasonal temperature changes affect materials
– Post-installation adjustment is often skipped
– Lack of adjustment leads to drafts and condensation

Common signs adjustment is needed:
– Cold air coming from the window
– Whistling sounds in windy weather
– Condensation on glass or frames
– Difficulty closing the window

How often should windows be adjusted?
At least once a year. The best time is autumn, before the heating season starts. New windows usually need their first adjustment within 6–12 months after installation.

Can adjustment be done yourself?
Minor adjustments are possible, but incorrect settings can damage hardware. Professional adjustment ensures correct operation and long-term reliability.

Conclusion:
Winter window adjustment is a simple and cost-effective way to improve comfort, reduce heat loss, and extend the lifespan of your windows.