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Phil
Phil, Mechanical Engineer
Category: HVAC
Satisfied Customers: 5648
Experience:  Retired HVAC/ Electrical & Boiler contractor. Industrial
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My ac only cools down to 84 degrees even if I set it to 70

Customer Question

My ac only cools down to 84 degrees even if I set it to 70 after it gets to 84 it turns off as if it was set at 84.
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: Maybe a week or so
JA: Do you plan on doing the work yourself?
Customer: I just want to know what's could be wrong first
JA: Anything else we should know to help you best?
Customer: I had a freon recharge at the beginning of spring
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Submitted: 4 months ago.
Category: HVAC
Expert:  BillyHvac replied 4 months ago.

Hello,

my name is Billy.

So if you set for 70

and unit kicks off at 84..

does it kick back on at 85 and cool to 84?

Customer: replied 4 months ago.
when it gets higher than 84 it will turn on but as soon as it gets to 84 it will turn off
Expert:  BillyHvac replied 4 months ago.

The only item in the system that can do this is the thermostat.

How old is the current thermostat?

Customer: replied 4 months ago.
I just changed it today because I thought that was the issue but it is still does the same thing.
Expert:  BillyHvac replied 4 months ago.

the thermostat is the only item that can differentiate temperature. The rest of the system only experiences off/on. Does the indoor and outdoor stop at the same time?

Customer: replied 4 months ago.
I don't know but when I set the thermostat to on it will not turn on either

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