My house is approximately 12 years old and sits on a slab with a forced air downflow furnace. I am getting everything around to have my OWB installed in the next couple weeks and am trying to figure out where I need to put the heat exchanger. On CB's site it says to put the exchanger between the furnace and the coil which I do not have enough room for. I have also heard some people lift the furnace up and build a box under it for the excahanger, but this would require A LOT of work. The only other thing I know of to pur the exchanger above the furnace and draw the heat through the furnace where I have read online where this can easily burn up electronics and fan motors. The furnace is only a year old so I am hoping to not have to do to much modifications to it or burn it up. Any help would be greatly apreciated.
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