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Old 02-07-2009, 10:28 PM   #16
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York PM9 Mod Furnace, Aux Fan Question


Insulate the crawlspace.
And run a seperate duct to that room.

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Old 02-08-2009, 07:30 PM   #17
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York PM9 Mod Furnace, Aux Fan Question


JohnH1,

You are correct. That is one of the first projects to undertake for this room. Current insulation is simple 6" batt with no backing and is falling down in places. Not to mention there is no insulation on the walls.

Regarding the ducts, there are already two 8" ducts that feed this room.

Regarding the thoughts on zoning the house, I have thought of doing this actually, but just a tad leary of the up front cost for the ultimate value (typical creature comfort times would be 5 pm to 11 pm). However, I can get to all the ductwork and the addition of zone dampers would not be that difficult. Current thinking is that 4 zones would take care of it.

I changed the airflow settings on the system yesterday such that the system will provide more air at a lower delta T, and the room heats up nicely, however the heat loss is still much greater than the rest of the house.

Last edited by javan; 02-08-2009 at 07:36 PM. Reason: more
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Old 02-08-2009, 09:55 PM   #18
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York PM9 Mod Furnace, Aux Fan Question


I am not a insulator but this product looked as a fairly simple DIY. I am concidering using this on a drafty crawl space at my mothers home. It is expencive but the alternitive is being cold. http://www.fomofoam.com/index.htm Anyone else have experiance with this or a simmilar product. look at the video for basement/ crawl space
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Old 02-09-2009, 07:01 AM   #19
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York PM9 Mod Furnace, Aux Fan Question


Before you zone.

Lok at teh furnace control board, or the install manual.
See which version control board it is.
Does it have the zone system option on the board.

If not, you have to make sure you set your zone system to open all dampers when no zone is calling.
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Old 02-09-2009, 08:39 PM   #20
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York PM9 Mod Furnace, Aux Fan Question


I was just thinking of this today. I will check the board. I do not recall seeing anything on the schematic, but will do an actual visual!

JohnH1, I have not seen this product for purchase to the non-contractor, but have seen it on some trade and HI type shows. Always wanted to try it! Maybe I will!
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Old 02-10-2009, 08:22 AM   #21
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York PM9 Mod Furnace, Aux Fan Question


I am a big fan of electric baseboard heaters in these applications, unless your electricity costs are too high. Need adequate space in your panel also. I would insulate the crawlspace and put in a electric baseboard heater. Heckof a lot easier and cheaper than a zoning system.

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