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Please recommand good quality gas furnace and AC ZhuW.Chicago 12-08-2006
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Posted by Noon-Air on December 13, 2006, 9:54 am

> The inducer motor has two speeds. What is the reason behind the two
> stage furnace? Please shed some light. Thanks.
>

Comfort and energy savings



Posted by Bob_Loblaw on December 13, 2006, 3:37 pm


>> The inducer motor has two speeds. What is the reason behind the two
>> stage furnace? Please shed some light. Thanks.
>>
>
> Comfort and energy savings

I'd argue energy savings.
Any way you slice it, a certain amount of BTU's must be used to raise the
room temperature to a desired set point.
On low fire, it'll just run longer.
Don't believe otherwise.


--
Respectfully, Bob

Posted by jamesgangnc on December 13, 2006, 3:45 pm
I suspect the heat exchange would be slightly more efficient at the
lower speed. But I can't argue that it would probably be hard to come
up with a big enouhg number that anyone would care about.

Bob_Loblaw wrote:
>
>
> >> The inducer motor has two speeds. What is the reason behind the two
> >> stage furnace? Please shed some light. Thanks.
> >>
> >
> > Comfort and energy savings
>
> I'd argue energy savings.
> Any way you slice it, a certain amount of BTU's must be used to raise the
> room temperature to a desired set point.
> On low fire, it'll just run longer.
> Don't believe otherwise.
>
>
> --
> Respectfully, Bob


Posted by jamesgangnc on December 13, 2006, 9:58 am
It's better for both comfort and economy to raise the temp slowly. So
it tries first at a lower speed.

ZhuW.Chicago@gmail.com wrote:
> The inducer motor has two speeds. What is the reason behind the two
> stage furnace? Please shed some light. Thanks.


Posted by on December 20, 2006, 2:52 pm
I got almost the same problem. According to the technician, draft
inducer motor got shortened and took out the relay on the circuit
control board. However, I found the fuse on the control board was
perfect. How comes the fuse didn't protect the relay on the board?
Could some explain the puzzle for me? Thanks.


On Dec 10, 12:31 pm, "Stormin Mormon"
> The guy I work for raves about Rheem Contour. Says that gets great
> reviews, and works nicely. I've helped install a bunch of them, and
> they install fairly well, also.
>
> My only experience with Bryantwas a friend of mine had a blower motor
> short out. The Missus reset the breaker repeatedly until it stayed on.
> Figured that would help. What it actually did was to arc and fry the
> relays on the circuit board, so I had to replace the blower and the
> board both.
>
> Replacing both at the same time is wise.
>
> --
>
> Christopher A. Young
> You can't shout down a troll.
> You have to starve them.
> .
>


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