F FortFunFoSho Golden Member Mar 7, 2002 1,101 0 0 Jan 12, 2005 #1 I am about to buy a house and might add another furnace to make it into a duplex and am trying to figure out how much it will be...
I am about to buy a house and might add another furnace to make it into a duplex and am trying to figure out how much it will be...
F FortFunFoSho Golden Member Mar 7, 2002 1,101 0 0 Jan 12, 2005 #3 wow. that is quite a range.. what about for a 1100 sqft area?