HVAC thermostat with seperate fan programing?

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onesojourner

Member
Oct 14, 2008
119
Springfield, MO
Our stove is right below our return air ducts. Turning that hvac fan on keeps our whole house comfortable. The problem is the fan is either on or off. I would like a thermostat that allowed the fan to be turned on either by the room coming up to a set temperature or just programming it to go off after a certain amount of time.

Has anyone solved this with an off the shelf solution?
 
You want a device called a thermguard. It will allow you to cycle your central fan on a programmatic schedule.
 
I just got off the phone with Indian honeywell tech support. It looks like model TH8321R and RTH9580wf should both allow custom fan programming. I just ordered the first off of ebay (my thermostat died when I had a lighting strike). I will report back with the results.

Also not that those models should work with a 6 wire heatpump with back up electric heat strips. If you have another setup you might want to double check that these will work.
 
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