I just wondered if many on here knew about this:
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Yep same here.... knew about fresh air fan, but we too also prefer to keep the fan for heating and hot water... and when we did use it on occasion in the past it was pretty useless..Knew about that thanks, but many didn't so a good shout. However, the cost of replacing that fan would be huge, whereas a few USB fans dotted about, or those rechargable one's are peanuts, and reasonably effective .
Mike