Home Ownership (misc.consumers.house)

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Barney H.
 
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Default Excess Furnace/AC Capacity

Even though we have only one finished room (a guest room) on the
second floor of this new house, looking ahead to the time when the
rest of the 2nd floor may be finished, our HVAC subcontractor put in a
large furnace and AC for it, one big enough to take care of several
rooms. The problem now is the noise. When it comes on, it sounds
like a jet plane taking off. The subcontractor has suggested
diverting a large part of the furnace/AC output into the unfinished
attic space, but that will mean that most of what we pay for up there
will be wasted. Can anyone suggest other solutions?

Thanks for any comments.
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John Davies
 
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On Tue, 05 Oct 2004 20:38:50 -0400, Barney H.
wrote:

Even though we have only one finished room (a guest room) on the
second floor of this new house, looking ahead to the time when the
rest of the 2nd floor may be finished, our HVAC subcontractor put in a
large furnace and AC for it, one big enough to take care of several
rooms. The problem now is the noise. When it comes on, it sounds
like a jet plane taking off. The subcontractor has suggested
diverting a large part of the furnace/AC output into the unfinished
attic space, but that will mean that most of what we pay for up there
will be wasted. Can anyone suggest other solutions?

Thanks for any comments.


Most furnaces have adjustable fan speed - take a look in your
installation manual (if you have one). There are jumpers you can reset
to slow or speed up the fan. Don't slow it down more than one setting
without talking to your HVAC guy - the airflow across the coil and
heat exchanger may not be within limits.

Or you could pay a tech $100 to do it for you

John

John Davies TLCA 14732
http://home.comcast.net/~johnedavies/
'96 Lexus LX450
'00 Audi A4 1.8T quattro
Spokane WA USA
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