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Efficiency & Savings For A New Forced Gas Hot Air System ? Robert11 02-08-2005
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Posted by Robert11 on February 8, 2005, 1:14 pm


Hello:

Realize that this is a question that is probably impossible to answer with
any real accuracy, but was wondering if anyone would care to offer
any estimate, or guestimate, on it:

For a 25 year old typical three bedroom split level (in the Northeast) using
the original forced gas hot air system for heat, what % "might" be saved in
going
to a brand new ("top-of-the-line") furnace in ones heating bill ?

Thanks,
Bob




Posted by Brian on February 8, 2005, 10:22 am


How much are you paying now?

BTU of your current system?



Posted by Matt on February 8, 2005, 10:24 am


The answer will depend alot on whether or not it is turned on after it
is installed. Also, I have found the the best way to really save on
energy costs is to buck the system, and use your cooling in the winter
and heating in the summer.

So far this year, I have only had to turn on my cooling system 4 times,
when the temp got above 40.



Posted by m Ransley on February 8, 2005, 1:23 pm


Is it one of those 50%-60 % efficient monsters with the round burner
chamber. Is it oversized heating you a bit to fast and uneven, Has it
been maintained and has a good blue flame or is it yellow. Does it have
an AC coil in the heatpath that could be clogged. You need to know what
you have now, is it running at 30% or 70% efficiency. You can go to
94.5% and get VS DC motor that will cut electrical usage by 50-60%



Posted by SQLit on February 8, 2005, 11:42 am



> Hello:
>
> Realize that this is a question that is probably impossible to answer with
> any real accuracy, but was wondering if anyone would care to offer
> any estimate, or guestimate, on it:
>
> For a 25 year old typical three bedroom split level (in the Northeast)
using
> the original forced gas hot air system for heat, what % "might" be saved
in
> going
> to a brand new ("top-of-the-line") furnace in ones heating bill ?
>
> Thanks,
> Bob
>
>

To many variables to answer

try this site and see if it helps you decide
http://198.147.238.24/ac_calc/default.asp




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