July 10, 20242 yr I've got the unit on the wall and had the roofers out to install the vent tiles. BPC just sent me their instructions and after reading through it I noticed they recommend that: 'roof vents must be installed at a higher level than the MVHR unit or condensation will form in the pipework' My intake vent is a lot lower than the unit. Is this critical before I get the roofers back out 🫣 Edited July 10, 20242 yr by Marko
July 10, 20242 yr I think they are meaning the exhaust to atmosphere, as this will condensate. I don’t think the intake should be such a problem but advisable to have fall if possible. You could lower the unit on the wall & should get enough fall on the exhaust duct to the unit. Either have a fall to the unit or outside. Personally I would have had both the ducts on the roof inline separated by at least 1.5m or have gone through the gable if detached?
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