I'm really stuck here and I would appreciate help from anyone who knows anything about this..
I recently purchased a condomiunium where a power-vented water heater was installed in a closet on the other side of the master bedroom wall. At night, the noise is unbearable when the power vent comes on and I can't sleep. I don't even live in the place as it is.
I was wondering why I couldn't have the water heater directly vented as opposed to the power vent.. on the page listed below, the gas company says that horizontal direct venting is a possibility if the water heater is less than 4 feet away from an exterior wall, and this is the case with me. A lot of people have been telling me that it can't be done, but offer no reason as to why. There is an air handler/fan coil above the water heater which relies on the heated water to heat the house.
http://www.unionenergy.com/0512_whs.htm
Here is a link to a picture of how my water heater is setup now.