Re: gravity heat

Posted by hj on September 09, 2002 at 14:26:25:
In response to Re: gravity heat
I have only seen it done a couple of times. You have to direct the return line to a plenum with the blower in it and then run the outlet back to the furnace. Balancing it can be a problem since the registers do not always have shutters in them. : I have a house built in 1908 that still has the original coal buring furnace, which has been converted to natural gas. The system is a simple gravity heat, with output ducts to every room and several intake ducts. I know these are inefficient-is there any way to make them more efficient short of replacing them? Can you somehow add fans to force the air to circulate better? Thanks for any suggestions.

Posted by hj on September 09, 2002 at 14:26:25:

In response to Re: gravity heat

I have only seen it done a couple of times. You have to direct the return line to a plenum with the blower in it and then run the outlet back to the furnace. Balancing it can be a problem since the registers do not always have shutters in them.

: I have a house built in 1908 that still has the original coal buring furnace, which has been converted to natural gas. The system is a simple gravity heat, with output ducts to every room and several intake ducts. I know these are inefficient-is there any way to make them more efficient short of replacing them? Can you somehow add fans to force the air to circulate better? Thanks for any suggestions.

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