Quote:
Originally Posted by jastin
A Chimney Balloon provides a simple way cost-effective way to stop chimney draughts, reduce heat loss and noise in your home. The Chimney Balloon also saving energy by preventing heat going straight up your chimney.
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If the balloon deflated when the oil burner came on, it would help a lot..
The fireplace flue has a pretty tight damper.. (Screw operated type).