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Posted by Rick Brandt on May 28, 2008, 7:19 am
Jim Redelfs wrote:
>
>> It might be safe but it could also be more expensive.
>
> It IS safe, but also costs a bit more since the blower motor runs
> continuously. For me, it's worth the minimal, added cost.
Our system has a continuously variable blower and the specs require that the
fan switch on the thermostat be left in the "On" position all the time.
Then the board on the furnace controls everything to do with the fan.
There might be times when it goes completely to off, but most of the time it
is always turning at a low speed.
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Posted by franz fripplfrappl on May 27, 2008, 7:02 pm
On Tue, 27 May 2008 15:10:22 -0700, M wrote:
> Hello,
>
> I have central air and a gas furnace for heating, and I believe one
> system controls the air circulation. When it gets hot out, the a/c
> doesn't cool the upstairs well. My thermostat has the option to keep the
> circulation fan on all the time, not just when the AC (or heat) turn on.
> I believe this will help a great deal, but hubby says it isn't built for
> that and we will break something. Is it safe to run the circulation fan
> all night, or should I save that for more conventional house fans?
>
> Thanks,
It's harder on a motor to turn it on/off than it is to keep it running.
Also starting a motor takes more power. If you find it OK to run during
daylight, why wouldn't it be OK to run at night?
--
=================================================
Franz Fripplfrappl
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Posted by HeyBub on May 27, 2008, 7:29 pm
M wrote:
> Hello,
>
> I have central air and a gas furnace for heating, and I believe one
> system controls the air circulation. When it gets hot out, the a/c
> doesn't cool the upstairs well. My thermostat has the option to keep
> the circulation fan on all the time, not just when the AC (or heat)
> turn on. I believe this will help a great deal, but hubby says it
> isn't built for that and we will break something. Is it safe to run
> the circulation fan all night, or should I save that for more
> conventional house fans?
>
Safe? Sure.
Break something? If that were a common event, the manufacturers wouldn't
give you the opportunity to do so. Their motors honor the "fan" setting of
the thermostat, don't they?
If you want to save money, equip your bedroom with a ceiling fan.
If you REALLY want to save money, get a window unit for the bedroom. You can
probably get a completely servicable one for less than $200 that will pay
for itself in less than a summer.
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Posted by Big_Jake on May 27, 2008, 9:56 pm
> Hello,
>
> I have central air and a gas furnace for heating, and I believe one
> system controls the air circulation. When it gets hot out, the a/c
> doesn't cool the upstairs well. My thermostat has the option to keep
> the circulation fan on all the time, not just when the AC (or heat)
> turn on. I believe this will help a great deal, but hubby says it
> isn't built for that and we will break something. Is it safe to run
> the circulation fan all night, or should I save that for more
> conventional house fans?
>
> Thanks,
It is fine to do that, but another option would be a t-stat that has a
"circ" option for the fan, where it runs the fan around 30% of the
time to even out the temp throughout the house. The Honeywell
VisionPro has the option, and I'm sure others do to.
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Posted by Jim Redelfs on May 27, 2008, 10:15 pm
In article
> Is it safe to run the circulation fan all night
Yes.
I will often set the fan to ON - it runs continuously - to accomplish
exactly what you describe: Even/balanced heating/cooling throughout the
home.
The operation manual that came with my new WeatherKing (Rheem) system,
installed 2 years ago, mentions - and allows for - running the fan
continuously.
Of course, running the fan continuously will require more frequent
filter changes. Good luck.
--
:)
JR
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Page 4 of 5 < 1 2 3 > last >>
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