Jun 13 2016, 05:52 PM
QUOTE(NewEdgeSafetyDoor @ Jun 13 2016, 01:06 PM)
I vote to have it vented out as well. Since you are already installing the Fan, might as well have it vented out.
Like many other LYN members said, it will cause mold and fungus growth in the ceiling. This can also cause terminate attack on the wood frames. The cost of repair in the future may be very high. Not to mention those mold and fungus growth can cause respiratory infections and other health issues in your family.
It's just not worth taking health risk for not a huge amount of money.
I believe the original reasoning for ceiling mounted exhaust fan is only when that ceiling is naturally vented to the outside air..Like many other LYN members said, it will cause mold and fungus growth in the ceiling. This can also cause terminate attack on the wood frames. The cost of repair in the future may be very high. Not to mention those mold and fungus growth can cause respiratory infections and other health issues in your family.
It's just not worth taking health risk for not a huge amount of money.
And you are right for condo's where the ceiling is closed the solution is to vent it via side wall opening and windows outside to allow new air to ventilate inside the room..
If i remember correctly i believe ASHRAE recommends an air change of 6x to 10 x for domestic living residences and up to 20x per hour for bathrooms..
You must ventilate to remove the natural buildup of dust mites and moisture.. and for static enclosures like condo's and apartments without professional Architect design the additional mechanical ventilation is compulsory to achieve the required air changes..
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