Originally Posted by
Beezerk
Thanks for the input fellas. My room is a wooden framed square shape (about 1.7M x 1.7M) with a pitched roof which follows the slope of the house roof if that makes sense. It's about as air tight as I can make it but not 100%, it's fairly well insulated though as is the loft space.
My thinking with controlling both intake and extraction is I'll always have negative pressure if I reduce the speed of both fans by the same amount. The passive holes can be blocked up as well obviously, they are only there as a just in case thing. With lights off I'm guessing it's going to be cold up there so again I'm thinking reducing air flow will stop more cold air coming in. I have a heater on hand btw for warming the room up.
Another option would be to just have passive intakes and regulate the extraction only. It's obviously going to be a bit of a learning curve until I get the right balance, I was just wondering if anyone else had come across a similar situation and what was the best (most efficient) set up.
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