Look for the special fans starting at 160 at heating cooling equipment dealers.
Attic vent for bathroom fan.
Let s talk about why this is code and why we seem to consistently find bathroom vents discharging into the attic space.
You mount a switch in each bathroom.
Bathroom vent fans are rated by how many cubic feet of air they can move in one minute known as the cfm rating.
T he result of the insulation problem around a bathroom exhaust fan is either water stains or mold near the vent of your bathroom.
Can i vent a bathroom fan into my attic.
It seems like such an easy solution just leave a bathroom vent hose in an attic.
You should never exhaust the bathroom fan directly into the attic.
Your attic is not a temperature controlled environment is never the same temperature as your living space and generally closer to the temperature outside.
Bathroom vents should always be vented to the exterior of your home and it is required by code.
In lieu of an external vent the hardwired fan moves air across a filter to purify it before recirculating it in the space.
So can you vent a bathroom exhaust fan into the attic.
Options for venting a bathroom exhaust fan include best to worst.
Because the fan is in the attic you ll hardly hear it.
A duct free bathroom fan is a good choice for basement bathrooms or bathrooms with no attic access.
That means the fan does a good job of improving air circulation and clearing odors in powder rooms and half baths but isn t recommended for larger bathrooms or for controlling high humidity levels.
The bathroom here is below an accessible attic so tom ran the exhaust duct across the attic and out a gable end.
If you vent through a soffit where attic vents are often located the moisture will get sucked back up into the attic or roof venting.
If you vent through the roof condensation will drip back into the interior.
Keep calm if that happens to you.
No you should not vent a bathroom fan directly into an attic however you can vent a bathroom fan through an attic while it terminates on the roof or gable end.
I ve heard that the duct should be insulated to prevent water backflow from condensation during the colder months as my attic is not environmentally controlled.
This system is quiet too.
To determine which size fan to buy for your bath multiply the room s square footage by 1 1.
A single exhaust exits through the roof figure a.
When venting a bathroom exhaust fan make sure to vent the air to the outside rather than into your attic where it can cause mold and mildew to form.
First off it is code to have your bathroom vents venting to the exterior.
A grille in each bathroom attaches to ducts which then fasten to a y connector at the fan.
I m planning on installing a bathroom exhaust fan just a note the port is 4 and am curious as to what kind of duct should be used.
No you cannot vent your bathroom exhaust fan into the attic.