Eli5 why does turning off room heating cause more condensation

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I live in England where radiators are commonplace to heat the house. And after I turned mine off inside my room I noticed excessive condensation on the windows. I thought the reason for condensation was a temperature differential. So why is making my room colder (closer to the outside temperature) causing more condensation on my windows?

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3 Answers

Anonymous 0 Comments

Cooler air can hold less water vapor, so as your room cools the vapor will be driven out of the cooling air. It will condense on the even colder areas that are your windows.

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