October 22, 2025

Quick Recap: How to Stop Condensation on Windows Identify the source: Interior moisture means your home’s humidity is too high; between panes signals a failed seal; exterior droplets are normal morning dew. Control humidity: Keep indoor relative humidity around 30–35% in winter and vent kitchens, bathrooms, and dryers outdoors. Boost airflow: Use fans, open blinds during the day, and leave space behind drapes so warm air reaches the glass. Check insulation and seals: Cold glass surfaces or drafts increase condensation; sealing gaps and upgrading to Low-E, argon-filled windows helps. Call