Ceiling exhaust fan is vented through the roof
My ceiling fan over the stove is vented through the roof. I live in Wisconsin . There apparently is NO back- draft panel that flips open and closed when the fan is on or off. Is one necessary because of our winters etc.
Roofing contractor said that is the way that vent has always been. Am I losing an exorbitant amount of heat in the winter? In the summer months WITHOUT AIR CONDITIONING My house has always stayed 15 to 20 degrees F cooler then outside. Apparently the warm air doesn’t come in. But does my heating air escape toooo Much?
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