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Old 12-15-2008, 01:22 PM   #1
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Auxiliary heat keeps coming on!


We have been in this house for 3 years now. We live in Raleigh NC. All of a sudden this year the Aux. heat keeps coming on even( never did it before) if the temp outside is not that bad. We set the thermostat for 65 at night and bump it up to 67 in the morning. Even the 1 degree bump in the morning will trigger the auxiliary heat. We just got our electric bill and yikes it went up. Is there any trouble shooting I can do before I call in a HVAC tech. Thanks.

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Old 12-15-2008, 04:27 PM   #2
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Auxiliary heat keeps coming on!


Is your outdoor unit running.
Check the breakers if its not.

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Old 12-16-2008, 07:07 AM   #3
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Auxiliary heat keeps coming on!


yea it is running, I flipped the breakers last night. it is unseasonable warm lately so i had to crank up the heat even higher to get the aux to turn on. the temp inside the house was 70 i was able to push it up to 74/75 that is when the aux kicked in.
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Old 12-16-2008, 02:37 PM   #4
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Auxiliary heat keeps coming on!


Could be a couple things.
Good chance its a little low on refrigerant.
Could also be a dirty indoor coil causing a safety to shut the heat pump off at times.

Time to have a tech check it.
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Old 12-17-2008, 06:57 AM   #5
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Auxiliary heat keeps coming on!


Thanks for your help. I am a very handy person but my only downfall is HVAC argh. oh well time to call in the the professionals.
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