air register forum

my central air doesn't reach up to the third level of my home-

CoraBear , Sunday, 8th of August 2010 02:02:49 PM

even with registers to the other two levels completely closed, we can not 
CoraBear
get air up there. Well, ok very very faint air comes through. What could 
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this be?
 
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BAYBEE.LOLE , Monday, 9th of August 2010 06:34:31 PM

Hot air is push up and cold air falls. I would suggest an attic  
BAYBEE.LOLE
fan installed to pull the hot air from the third floor out this will help.  
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Try placing a fan on your vents to help pull the cold air up to the rooms  
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you. Your furnace may not have enough power to push the air up to the  
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third floor. you really need a HVAC tech come out a make sure your furnace  
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is adequate for the size of your home.GOOD LUCK.  
 
 
 
 
 
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Busha Butt , Tuesday, 10th of August 2010 07:19:35 PM

It sounds like you have a restriction in the duct work to the  
Busha Butt
third floor. It may be a rag or other debris blocking the vent or one of  
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your balancing valves has been moved.  
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Terr , Wednesday, 11th of August 2010 04:14:00 PM

check the air filters. I am assuming that it did cool at some  
Terr
point. I would then check the fan in the air handler to see if it is  
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dirty. The amount of air being blown can also be caused by dirty or  
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clogged duct work, a air leak in the duct work. This is the trouble  
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shooting process that I use.  
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Sugah Buggah , Thursday, 12th of August 2010 08:55:56 AM

You might have a A/C engineer come over to check how efficient  
Sugah Buggah
the system is.  
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Naughtybutt , Friday, 13th of August 2010 03:00:20 PM

gravity  
Naughtybutt
 
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ever notice that in high rises, the A/C units are on top of the roof?  
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that is because the cold air more easily travels from the top down rather  
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than from the bottom up.  
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your A/C unit simply doesn't have the power to blast cold air up that far.  
 
i would suggest you get a small window unit for the 3rd floor  
 
 
 
 
 
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MUNCH-MUNCH? , Saturday, 14th of August 2010 09:54:27 PM

check your filter they might need changed, close the other  
MUNCH-MUNCH?
vents a little or shut a couple off completely  
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