I need to vent an bathroom exhaust fan in the attic. Can I run the duct up close to the roof ridge that is vented. I have no way of venting it to the outside wall since the bathroom is in the middle of the house

I am installing a bathroom in the basement and need to install an exhaust vent. There is a very spacious crawl space under the basement and the easiest way to run the vent is to exhaust into the crawl space. The crawl space is vented and as I said, it is very large (I live on a steep slope). Can...

I am adding a new bathroom where an old bedroom used to be on the first floor of a two-story house w/ attic. The bathroom does not share an exterior wall; it is separated from the exterior by a room. I am having difficulty finding a pathway to install the ducting from the fan through to the attic...

Our bathroom has a ceiling light fixture whice I would like to replace with an exhaust fan. I understand the need to vent this out of the attic and to have the duct well insulated to avoid condensation. The problem is access to the outside. We have a roof with four sloping sides, no vertical ends....

We are building a second floor bathroom over a first floor bathroom. We are draining (and venting) the fixtures into the vent for first floor fixtures (creating a wet stack, which I understand may not be to code, but will function properly?). Question: we will also have an exhaust fan over the...