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bathroom ventilation

  1. Roofing/Siding
    Hello, I have to connect the ventilation of the exhaust fans of my 3 upstairs bathrooms to the outside and I am getting conflicting advise from 3 different contractors. The issue is that I have no siding in the attic, so the options are either connect the exhaust fans to the soffit or to connect...
  2. HVAC
    Hi - first-time poster here. I searched my question and didn't find the topic addressed previously. My bathroom has a 70 CFM fan, but it's 122 cubic feet (10'10" ceilings in a 8.5'x10' room). Is it acceptable to add a second 70 CFM fan, or do we need one 130+ CFM unit? Thanks much!
  3. HVAC
    I have a one story ranch with two bathrooms that both need venting. They share a wall and I am wondering if I can get away with one exhaust vent for both fans. Does anyone know of any problems I might run into if I mate the exhaust for both fans in the attic and run them out one vent? Obviously...
  4. Kitchen & Bath Remodeling
    We recently purchased a home that has a basement. On the side where there is not outside exposure is where they put the half bathroom. The place stinks. It needs a good scrubbing but I think it also needs a ventilation system of some sort. It's tolerable if the bathroom door is left open or...
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