Any Thermostats that allow to program the fan?

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Old 06-24-06, 07:40 AM
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Any Thermostats that allow to program the fan?

I'm thinking that there would be an advantage to circulate air even if no cooling is required. In fact could it help to balance the heat? My first floor is very cool while the top floor is hot.

Are there any thermostats that allow to program the fan?
 
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Old 06-24-06, 12:29 PM
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Wink

Have you tried the fan on 24/7 yet?

ED
 
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Old 06-25-06, 11:26 AM
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Yes, I did. But I couldn't tell if that helps me saving energy or not. I was wondering if this is the case or not?

I'm somewhat worried to leave the fan on for 24 hours (fan lifetime and energy). I would prefer that during the night the fan wouldn't be always on.
 
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Old 06-25-06, 07:01 PM
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you can run the fan 24/7, but some people don't cuz of the "drafty" feeling mostly in the winter and air noise.


if you had variable speed blower, you wouldn't know.


Anyway, back to your question, Yes. Honeywell has a t-stat allows you program your fan cycle.

It's the Vision Pro T8320.

You can program in diffrent mode.

-Auto = Fan will only comes on as when there call of heat or cool.

-On = Fan runs 24/7

-Circ = Fan runs on and off about every 15 or 20 min randomly.
 
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Old 06-26-06, 06:58 PM
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Thanks Jay.

Prior to my post I sent an email to Honeywell. Didn't really expect an answer. But they answer actuallt very fast:

Thank you for contacting Honeywell.



The only thermostat that has a programmable fan feature is the Vision Pro thermostat. The model numbers would be TH8110U, TH8320U and TH8321U. These thermostats are professionally installed thermostats and would only be installed by a licensed HVAC contractor. If you want assistance in locating a contractor in your area then you may use the following link: http://yourhome.honeywell.com/Consum...torLocator.htm



HONEYWELL CUSTOMER CARE



Could I go with the TH8110U (seems to be the cheapest).
 
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Old 06-26-06, 09:51 PM
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TH8110 will work if you only have a single stage system.

Is your equipement new? old? Plan on replace if are old?
 
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Old 06-27-06, 06:16 AM
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The AC and furnance area bout five years old. No plans to change at the moment. I believe I ahve a single stage unit
 
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Old 06-27-06, 06:27 AM
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Ok, if you only have single stage, the TH8110 will work great.

To tell if you have single stage or two, remove the cover and look at where the t-stat wires hooks up. If you do not see W2 and or Y2, then you are single stage.

The Visino Pro can be found on line, but FYI, warranity may be voided. Otherwise, call a Pro.
 
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Old 06-27-06, 09:18 AM
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Totaline also makes several models with programmable fan. I have the P374-1100 downstairs and the P474-1100RF Wireless upstairs. Both can be programmed to run the fan for a variable number of minutes every hour and can be ordered via the internet from several places. Having always had Honeywell thermostats in the past, I've been extremly impressed with the Totalines.

I originally installed these to solve a problem similar to yours, but I have separate systems for up and down so the fan cycles simply keep temps more constant throughout each floor. The downstairs is still cooler than upstairs year-round and always will be.

Doug M.
 
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