A dependable air conditioner can keep your home comfortable even during sweltering heat waves. Opening a window in hot weather can be a good idea, too. After all, there’s nothing wrong with getting a little bit of fresh air inside the house. What about running the air conditioner while the windows are open? No rule says you can’t do this, but there may be a few drawbacks. Cold Air Escaping When you run the air conditioner, cold air fills the house. As long as the air conditioner is maintained correctly, then it should pump cool air through the vents. When
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