Connect Two Bathroom Fans To One Vent

You can replace the fan opening with a grill for each washroom.

Connect two bathroom fans to one vent.

Can i use one of the roof vents for both bathroom exhaust fans we say create the shortest path between the two vents. This setup requires an in line centrifugal fan mounted in the attic drawing air simultaneously from both bathrooms see photo. No you may not connect two fan discharges to a single roof jack the proper name for the roof outlet. I felt air coming from bathroom 2 s fan down through the metal duct pipe for venting bathroom 1.

Read the blog from the may 25 show and listen to the full broadcast here. If you want to do both bathrooms on one vent then get a remote fan. Afaik if the fans you installed have built in dampers then you can wye them together and use one outlet without a problem. I just installed two panasonic bath fans in two adjacent rooms and joined them together in the attic it works fine with no backdraft from one fan to the other.

The above scenario will work provided the following. The classic example occurs in multifamily units if one tenant is a smoker the tenant next door can smell tobacco smoke that enters the bathroom through the exhaust fan. Connecting bath exhaust ducts together can result in problems. Depending on the size of the roof jack you could use an in line fan with the suction side split between the two bathrooms.

Both washrooms must have nearly identical square footage. I vote to keep the ducts separate. Listen above for the answer. A two in one diverter will allow this to happen.

With that in mind if they were both plumbed into one vent it should be no problem right. Bathroom exhaust fans perform an important function by removing excess moisture from your home. But while you can t have two fans with one vent you can make one fan and one vent serve two bathrooms. The typical problem is that odors can migrate from one bathroom to another.

You will use just one fan but that will connect to both bathrooms. Turn one fan on the flap on the other one closes. When inline fan is in operation air from both washrooms will vent out. Turn both on and they both vent.

3 11 02 10 03 07 pm. Then add an inline fan to the remaining leg of the y adapter and run ducting to vent outside. Only draw back is that both rooms will be vented at same time. Was replacing bathroom fan 1 and while it was disconnected from its duct pipe the fan in the bathroom 2 was on and.

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.