[austin]

I have water pipes that leave the furnace room, pass horizontally through an unheated basement garage, then go up to the ground floor bathroom which is located above the garage. I would like to reroute them to go directly up to the ceiling of the ground floor (through the heated part of the house), across the ceiling, then drop back down to the ground floor bathroom. Is this a workable solution? What would it do to the water flow and pressure?