Condensation is caused by humid air coming in contact with a cold surface, such as glass. Just like a glass of ice water in
warm room, condensation creates many small droplets of water, and becomes visible on the glass surface. This is
completely normal, and will occur in every home at one time or another. Everything in your home that involves water will
contribute to excess humidity, such as showers, mopping, watering plants, and heating/air conditioning units.
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