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  1. #1
    Join Date
    Jul 2012
    Posts
    13

    Honeywell AC blowing warm air randomly

    I just bought a modular home in April and it came with a Honeywell thermostat. At increasingly frequent intervals, warm air will start blowing out of the vents and it smells like the furnace is on. It will run for 15-20 minutes and heats the house up by at least 5 degrees. It will occasionally stop if I turn off the unit, but sometimes it starts blowing hot air as soon as I turn it back on again. There doesn't seem to be a set pattern to when it happens. It can happen anytime day or night. Sometimes it is right as the AC turns off and then it will heat up enough for the AC to need to turn back on. The general handy man from the company who built the home is sending out an HVAC guy tomorrow because he cannot figure it out. Any ideas as to what he will tell me? Thank you so much!

  2. #2
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,512
    Sounds like the honeywell is messing up and indeed bringing on the heat strips you did not install the thermostat did you,anyway you need a service tech to check it .

  3. #3
    Join Date
    Jul 2012
    Posts
    13
    No, it was installed by the housing company. Do you think it will be something they can fix the same day? It's getting a little ridiculous.

  4. #4
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,512
    Is it a brand new house

  5. #5
    Join Date
    Oct 2011
    Location
    between here and over there
    Posts
    453
    What kind of Honeywell Thermostat? Is it a touch screen thermostat?

  6. #6
    Join Date
    Jul 2012
    Posts
    13
    It is a house that was displayed on their site for 3 years, but was never hooked to electricity.
    The thermostat is a very basic model with four buttons. I'm not sure of the model number though.

  7. #7
    Join Date
    Oct 2011
    Location
    between here and over there
    Posts
    453
    hmm okay. thanks for replying.

  8. #8
    Join Date
    Jul 2006
    Location
    Virginia
    Posts
    4,512
    It could be abad wire ,bad thermostat ,or broken furnace .hard to say a good tech should be able to find the problem

  9. #9
    Join Date
    Jul 2012
    Posts
    13
    OK, thanks guys!

  10. #10
    Join Date
    Aug 2007
    Location
    Northern VA 38 degrees N by 76 degrees W
    Posts
    5,046
    Do you know if it is an electric air handler, or gas furnace?

  11. #11
    Join Date
    Jul 2012
    Posts
    13
    electric

  12. #12
    Join Date
    Mar 2007
    Location
    NW AR
    Posts
    2,475
    Should be a quick, easy fix. Theres not alot to those electric furnaces. Any competent company should have the parts on their truck.

  13. #13
    Join Date
    Jul 2012
    Posts
    13

    Confused Still happening

    The A/C guys have been out three separate times with three separate "fixes" and the issue is still happening. They were supposed to come out again today, but it's in 9pm and no sign of them. Here is what they have done: Changed computer board, changed thermostat, and tightened loose wires beneath the new thermostat. The heat is still coming on at least once a day after the A/C cycles off. It's only a matter of 15 seconds before the furnace kicks on after the A/C kicks off. The thermostat still says COOL when this happens and the outside unit is not running. The coils get warm inside. You can smell the new furnace smell when it comes on and it gets pretty toasty too. It goes up as much as 6 degrees before the A/C kicks back on to cool it off. It then goes through the cycle repeatedly until you turn the thermostat off for several minutes. What is going on? How much is it costing me to cool and heat then cool and heat my home repeatedly everyday?

    This is getting very annoying and expensive. Please help!

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