Ah, “towel on a window sill”—that’s usually a trick to block light, prevent drafts, or absorb condensation. Here’s a breakdown of why someone might do it and how it works:
Reasons for a Towel on a Window Sill
- Preventing Drafts
- Cold air can seep in through gaps in the window. Placing a towel along the sill blocks the airflow and helps keep the room warmer.
- Absorbing Condensation
- Windows can collect condensation in cold weather. A towel absorbs the water, preventing it from dripping onto the floor or damaging the sill.
- Light Blocking
- If the curtain or blind doesn’t fully cover the window, a towel can act as a temporary blackout to reduce glare or light at night.
- Temporary Seal
- If a window is slightly loose or doesn’t close fully, a towel can be a quick fix to keep bugs, dust, or moisture out.
Tips
- Use a folded or rolled towel for a snug fit.
- Change or dry the towel if it becomes damp to prevent mold.
- For a more permanent solution, weatherstripping or draft stoppers work better.
If you want, I can also explain a clever physics trick for why a towel can dramatically reduce condensation on cold windows—it’s actually about heat transfer!
Do you want me to explain that?