Re: Powering the furnace

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Subject Author Date
Re: Powering the furnace Sam O. Singletary 12-15-2007
Posted by Sam O. Singletary on December 15, 2007, 12:21 pm
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On Sat, 15 Dec 2007 10:45:12 -0600, David Williams wrote:


> What kind of system is it, forced air or hot water? If it's forced air,
> then the fan takes most of the electrical power, maybe a couple of
> hundred watts.

It's forced air. As someone suggested, a small generator sounds like the
way to go. In winter, we'd only need it for the furnace. It's not likely
the power will go out, but I don't like to think of what it would get like
if it went out for very long.

The idea of running a generator off the gas line itself was interesting.
If I were selling gas furnaces, I'd push that one to the customer as a
sort of built-in furnace accessory. Peace of mind when the snow is flying
and the power lines are falling. Have it already wired in with the new
furnace, flip a couple of switches to switch over to the gas generator.

Posted by on December 15, 2007, 2:28 pm
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>It's forced air. As someone suggested, a small generator sounds like the
>way to go. In winter, we'd only need it for the furnace...

A few years ago, there was an effort to make an 400 watt piezo(?)electro-
acoustic generator for some large furnace manufacturers, a resonant wave
thing that was almost as efficient as a sterling engine, at about 30% of
the cost. I'm not sure how far along that got.

Nick


Posted by Solar Flare on December 16, 2007, 6:35 pm
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Use the UPS power bar and disconnect the fan. Let it run as convection
for at least some heat.

> On Sat, 15 Dec 2007 10:45:12 -0600, David Williams wrote:
>
>
>> What kind of system is it, forced air or hot water? If it's forced
>> air,
>> then the fan takes most of the electrical power, maybe a couple of
>> hundred watts.
>
> It's forced air. As someone suggested, a small generator sounds like
> the
> way to go. In winter, we'd only need it for the furnace. It's not
> likely
> the power will go out, but I don't like to think of what it would
> get like
> if it went out for very long.
>
> The idea of running a generator off the gas line itself was
> interesting.
> If I were selling gas furnaces, I'd push that one to the customer as
> a
> sort of built-in furnace accessory. Peace of mind when the snow is
> flying
> and the power lines are falling. Have it already wired in with the
> new
> furnace, flip a couple of switches to switch over to the gas
> generator.



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