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Posted by Harry K on June 30, 2008, 11:12 pm
show/hide quoted text
> On Mon, 30 Jun 2008 07:12:44 -0700 (PDT), Harry K
> >> Concerning the electric thermostat that controls my Trane furnace and
> >> air conditioner, if I change my fan switch from "Auto" to "On" (so
> >> that it runs continuously), is it pulling in air from outside or just
> >> circulating the air already in the house? =A0In other words, is running=
> >> the fan a good way to cool the house at night when the air temp.
> >> outside is a good 15 degrees cooler than inside?
> >> Thanks.
> >You already got the 'bad' news that it only circulates house air but..
> >The good news is that running it 'on' will significantly delay the
> >start of the AC. =A0Much cheaper to run that fan than the AC. =A0In my
> >case, when it becomes a bit uncomfortable in the house, putting it
> >"on" will keep the AC from running for another hour or two if it isn't
> >too hot outside.
> >Harry K
> You are absolutely nuttier than a fruit cake Harry if you think that
> is true.
> Bubba- Hide quoted text -
> - Show quoted text -
Come by my house and I will demonstrate it. In addition to the effect
Mr. Hoffman posted, there is the 'moving air' effedt that keeps one
comfortable at a higher temp than the AC is set at. Of course when it
is time to turn on the AC, there is an additional few degree load for
the machine to cool.
I have also considered making a basement floor level return air
registger into the duct work. A full basement of very cool air is
going to waste.
BTW. I suggest you just miiiigggghttt try somethign before calling a
person 'nuts'
Harry K
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Posted by Noon-Air on June 30, 2008, 11:45 pm
show/hide quoted text
> On Mon, 30 Jun 2008 07:12:44 -0700 (PDT), Harry K
> >> Concerning the electric thermostat that controls my Trane furnace and
> >> air conditioner, if I change my fan switch from "Auto" to "On" (so
> >> that it runs continuously), is it pulling in air from outside or just
> >> circulating the air already in the house? In other words, is running
> >> the fan a good way to cool the house at night when the air temp.
> >> outside is a good 15 degrees cooler than inside?
> >> Thanks.
> >You already got the 'bad' news that it only circulates house air but..
> >The good news is that running it 'on' will significantly delay the
> >start of the AC. Much cheaper to run that fan than the AC. In my
> >case, when it becomes a bit uncomfortable in the house, putting it
> >"on" will keep the AC from running for another hour or two if it isn't
> >too hot outside.
> >Harry K
> You are absolutely nuttier than a fruit cake Harry if you think that
> is true.
> Bubba- Hide quoted text -
> - Show quoted text -
Come by my house and I will demonstrate it. In addition to the effect
Mr. Hoffman posted, there is the 'moving air' effedt that keeps one
comfortable at a higher temp than the AC is set at. Of course when it
is time to turn on the AC, there is an additional few degree load for
the machine to cool.
I have also considered making a basement floor level return air
registger into the duct work. A full basement of very cool air is
going to waste.
BTW. I suggest you just miiiigggghttt try somethign before calling a
person 'nuts'
show/hide quoted text
<sigh> another google poster.... try that down here in the deep south. First
off we don't have basements, second if you want to run your power bill up,
go ahead on, 3rd, it will also raise the humidity level in your home and
make it even more uncomfortable. Here is a little physics question for
you... If you have a 10 x 12 room with 8ft ceiling, and its 80 degrees with
70% RH, how many btus of latent heat do you have.... now run the same calc
at 75 degrees @ 50% RH.....How much electricity are you going to use to keep
that room cool?? now tell me you just want to run the fan. Its a whole lot
more cost effective to *MAINTAIN* a constant even temperature, than it is to
have wild temperature swings.
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Posted by Andy Energy on July 2, 2008, 1:22 am
show/hide quoted text
> > On Mon, 30 Jun 2008 07:12:44 -0700 (PDT), Harry K
> > >> Concerning the electric thermostat that controls my Trane furnace an=
> > >> air conditioner, if I change my fan switch from "Auto" to "On" (so
> > >> that it runs continuously), is it pulling in air from outside or jus=
> > >> circulating the air already in the house? =A0In other words, is runn=
ing
show/hide quoted text
> > >> the fan a good way to cool the house at night when the air temp.
> > >> outside is a good 15 degrees cooler than inside?
> > >> Thanks.
> > >You already got the 'bad' news that it only circulates house air but..
> > >The good news is that running it 'on' will significantly delay the
> > >start of the AC. =A0Much cheaper to run that fan than the AC. =A0In my
> > >case, when it becomes a bit uncomfortable in the house, putting it
> > >"on" will keep the AC from running for another hour or two if it isn't
> > >too hot outside.
> > >Harry K
> > You are absolutely nuttier than a fruit cake Harry if you think that
> > is true.
> > Bubba- Hide quoted text -
> > - Show quoted text -
> Come by my house and I will demonstrate it. =A0In addition to the effect
> Mr. Hoffman posted, there is the 'moving air' effedt that keeps one
> comfortable at a higher temp than the AC is set at. =A0Of course when it
> is time to turn on the AC, there is an additional few degree load for
> the machine to cool.
> I have also considered making a basement floor level return air
> registger into the duct work. =A0A full basement of very cool air is
> going to waste.
> BTW. =A0I suggest you just miiiigggghttt try somethign before calling a
> person 'nuts'
> Harry K- Hide quoted text -
> - Show quoted text -
Be careful of putting a return in the basement. You must have an
equal supply if you=92re heating system in there. A return in a space
with a natural draft or induced draft appliance can back draft the
appliance. This is also against code.
The second issue is pulling warm moist air into a space cool enough to
cause higher humidity or even condensation in the basement. This can
cause mold to grow.
Andy
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Posted by Noon-Air on June 30, 2008, 11:36 pm
show/hide quoted text
> Concerning the electric thermostat that controls my Trane furnace and
> air conditioner, if I change my fan switch from "Auto" to "On" (so
> that it runs continuously), is it pulling in air from outside or just
> circulating the air already in the house? In other words, is running
> the fan a good way to cool the house at night when the air temp.
> outside is a good 15 degrees cooler than inside?
> Thanks.
You already got the 'bad' news that it only circulates house air but..
The good news is that running it 'on' will significantly delay the
start of the AC. Much cheaper to run that fan than the AC. In my
case, when it becomes a bit uncomfortable in the house, putting it
"on" will keep the AC from running for another hour or two if it isn't
too hot outside.
Do a little homework sport, running the fan in summer in "ON" will actaully
raise the humidity level in your home, and make you more uncomfortable.
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Posted by Harry K on July 1, 2008, 10:54 am
show/hide quoted text
> > Concerning the electric thermostat that controls my Trane furnace and
> > air conditioner, if I change my fan switch from "Auto" to "On" (so
> > that it runs continuously), is it pulling in air from outside or just
> > circulating the air already in the house? In other words, is running
> > the fan a good way to cool the house at night when the air temp.
> > outside is a good 15 degrees cooler than inside?
> > Thanks.
> You already got the 'bad' news that it only circulates house air but..
> The good news is that running it 'on' will significantly delay the
> start of the AC. =A0Much cheaper to run that fan than the AC. =A0In my
> case, when it becomes a bit uncomfortable in the house, putting it
> "on" will keep the AC from running for another hour or two if it isn't
> too hot outside.
> Do a little homework sport, running the fan in summer in "ON" will actaul=
> raise the humidity level in your home, and make you more uncomfortable.
Says another person who "I know what I know and don't confuse me with
facts!" You might be right about the south (I been there too damn
many years to ever want to go back), but I am not in the south. It
works up here.
The humidity level in a house will be about static whether you are
running that fan or not. The fan does not 'create' humidity.
So to your mind, running a fractional horse fan is more expensive than
running a multihorse compressor....uhuh.
Harry K
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> >> Concerning the electric thermostat that controls my Trane furnace and
> >> air conditioner, if I change my fan switch from "Auto" to "On" (so
> >> that it runs continuously), is it pulling in air from outside or just
> >> circulating the air already in the house? =A0In other words, is running=
> >> the fan a good way to cool the house at night when the air temp.
> >> outside is a good 15 degrees cooler than inside?
> >> Thanks.
> >You already got the 'bad' news that it only circulates house air but..
> >The good news is that running it 'on' will significantly delay the
> >start of the AC. =A0Much cheaper to run that fan than the AC. =A0In my
> >case, when it becomes a bit uncomfortable in the house, putting it
> >"on" will keep the AC from running for another hour or two if it isn't
> >too hot outside.
> >Harry K
> You are absolutely nuttier than a fruit cake Harry if you think that
> is true.
> Bubba- Hide quoted text -
> - Show quoted text -