Causes of Condensation

Condensation on windows is one of the most common but least understood tribulations of homeownership. This lesson carefully separates fact from fiction about the causes of this problem and offers clear guidelines for finding a cure.

Learning Objectives

At the conclusion of this lesson, you will be able to:

• Explain why condensation forms at the edges of glazing
• Describe the conditions in a home that contribute to the problem
• Identify specific window features that can help alleviate the problem
• Review dew point
• Explain how indoor relative humidity impacts condensation on glass

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