Powering the furnace

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Subject Author Date
Powering the furnace Sam O. Singletary 12-15-2007
Posted by Sam O. Singletary on December 15, 2007, 8:27 am
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We have a gas furnace. If the power goes out, it seems a shame to freeze
when the gas is in the pipe. Would a UPC, one of those devices that is
used to keep a computer going when the power goes out - would one of those
be useful to power the furnace for a few hours until the power was
restored?

Would it be possible and simpler to have a battery plus inverter?

Posted by Jim Rusling on December 15, 2007, 8:56 am
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>We have a gas furnace. If the power goes out, it seems a shame to freeze
>when the gas is in the pipe. Would a UPC, one of those devices that is
>used to keep a computer going when the power goes out - would one of those
>be useful to power the furnace for a few hours until the power was
>restored?
>
>Would it be possible and simpler to have a battery plus inverter?

A normal UPS probably would not work. You will need to know what the
starting and running amps on your furnace is. A kill-a-watt will tell
you this. It really is not very practicable to run you furnace off a
battery and inverter. You would have to have a large bank of
batteries to last any time at all. A generator works just fine. You
don't have to have a large one to handle a gas furnace.
--
Jim Rusling
More or Less Retired
Mustang, OK
http://www.rusling.org

Posted by Vaughn Simon on December 15, 2007, 9:05 am
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Yep, Jim has it right.

Even if you had a UPS big enough to run that fan, you would be amazed at
the huge battery bank you would need to run your furnace for any length of time.
A small generator is the cheapest and simplest solution. The most elegant
solution would be a generator modified (or built) to run from that natural gas
that is already in your pipes. Gasoline can be really hard to come by after a
general power failure.

Vaughn



Posted by Eeyore on December 15, 2007, 9:58 am
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Vaughn Simon wrote:

>
> Yep, Jim has it right.
>
> Even if you had a UPS big enough to run that fan

What fan ?

Graham


Posted by Sam O. Singletary on December 15, 2007, 10:36 am
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On Sat, 15 Dec 2007 14:58:56 +0000, Eeyore wrote:

> Vaughn Simon wrote:
>
>>
>> Yep, Jim has it right.
>>
>> Even if you had a UPS big enough to run that fan
>
> What fan ?
>
> Graham

A honking big blower motor that blows the hot air into the ductwork
throughout the house.

Thanks for the replies.

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