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Old 12-19-2008, 11:09 PM  
JUNEBUG 88
 
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Default Use of furnace Blower fan for wood burning fireplace

I am installing an air tight hi efficiency wood burning circulating heat fireplace with a blower and 2 registers. It also has a fresh air supply vent from outside. Our home is a ranch about 1050 sq. ft with an unfinished basement. Attic has plenty of insulation!

The unit will be installed in Living room with one vent on a wall opposite the hallway and stairs to basement and the other vent out the back wall of unit towards the Kitchen & Dining area.

Our cold air return is located near the ceiling and is a double wide grille (7" x 30.25"). I would like to purchase a larger grille (16"x30.25") and open more vent area towards the ceiling to hopefully get rid of the hot air collecting at the ceiling. Our ceilings are 8' and I can NOT install a ceiling fan since I would get decapitated since I am 6'6".

If I partially block some of the other cold air returns in the other 3 rooms will I help the HOT airflow thru the system?
My current furnace mounted humidifier Aprilaire does not work efficiently so I intend on purchasing the Desert Spring humidifier and hope that works better. I am also installing at least 1 small muffin fan (.3 amp) 280 cfm at ceiling to direct airflow down the 20' hall to bedrooms.

Any more suggestions would be appreciated.

Per regulations I am NOT allowed to direct heat from directly from fireplace blower ducts into central heating system.



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Old 12-20-2008, 01:48 PM  
travelover
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Can you just manually run the furnace blower most of the time to even out air distribution? I'd be hesitant to upset the hot and cold air return sizing.

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Old 12-20-2008, 07:19 PM  
glennjanie
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Welcome JUNEBUG:
Yes, it is perfectly feasable to run the fan on the furnace to mix the air. If you want a ceiling fan, they make ceiling huggers that are only 8 to 12" which would still clear your head.
Personally, I like to use what is already mine rather than spend more money therefore, I vote for the furnace fan. Mine has been running for over ten years with no problem.
Glenn

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