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The thermostat is set at 73... the air conditioner is running and cold air is blowing but the house is currently 82 degrees. I've checked the unit outside and there is no icing. I don't know what to do.

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  • panilling9
    panilling9 May 11, 2010

    how long has the unit been running?air conditioner removes humidity first

    windows closed?

    check your temperature split supply air vs. return air to air handler 15-20 degree approx. split?

    air filter clean?

    is air handler in attic,under house,in garage or closet?

    duct work intact at air handler?

    outdoor unit nothing blocking it and obstructions min.2 feet away?



    some things to check

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  • 340 Answers

Check to see supply air should be around 58F. 20* difference form supply air to return air if 58F my guess unit under sized air filter clean? when was the last time you had the unit tuned up?

Posted on Jun 20, 2009

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Hi. I need help fixing my urka-a042jk10e Air Conditioner please. It's not blowing any air up thru the vents and my house is 97 degrees!


Possible that the compressor is not running. Call a service tech. Could be a run capacitor bad, stuck reverse valve or even a shot compressor.

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Why does the split unit blow hot air in air conditioner mode, when switched on with the remote control.


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It is a reverse cycle air conditioner it will warm the room if you set temperature to 28 degrees . Set it lower and it will blow out cold air.
Have exact same air conditioner as I recognise the remote control.
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My Honeywell thermostat isnt keeping my house cool even though the temp is set to 69. Currently 90 degrees in here


Its probably not the thermostat. The air conditioner may be stuck on heating mode. If its a reverse cycle, the reversing valve may be jammed so even when the thermostat is calling for cold air, it stays on heat. If the machine is on heating mode, it should be blowing cold air out of the outdoor unit of the air con. If its on cooling mode, the outdoor should be blowing hot air.

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Everyday the central air unit keeps our house at a comfortable 73 degrees. Every evening, despite the thermostat setting of 72, the house heats up to 77-79. What's the problem?


Is the sun hitting the t-stat during the day? If its a programmable unit check the programming, perhaps its set for energy sving at night

Jun 21, 2011 | Heating & Cooling

1 Answer

I have a white rodgers thermostat wall unit and i cant get the air conditioner to work properly it wont go above 32 and it says it 32 in the house but its 100 and i live three flights so you know heat ...


Your thermostat is set for Celsius and 32 in Celsius is 90 Fahrenheit. Set it to 22 degrees and that should get you to about 73 degrees Fahrenheit. The t-stat is set for Celsius or Fahrenheit on the back of the unit, there should be a small switch that reads C and F, set it for F and you are good to go.

Jun 18, 2011 | Heating & Cooling

1 Answer

The air conditioner will work for a while but then shut down by itself.


Due to the many different questions I see about Air Conditioning, I am including this overview to help us better understand each other for trouble shooting. A basic air conditioning system has a Thermostat, Air Handler or Furnace Fan and a Condensing unit. In a split system, the condensing unit (Condenser) is separate from the furnace and usually in the back yard. When working properly, it blows hot air. It connects to the cooling part of the system by 2 copper lines. One large line and 1 small line. The part that cools the house is the "Evaporator" and is usually on top of the furnace inside the square metal box (Plenum). When the Air Conditioner is running, the large copper line should be cold and the smaller line should be warm. Common signs of low refrigerant are that both lines are the same temperature and/or frost or ice has built up on the large line at the condenser. The thermostat will normally display room temperature on till it is touched to change the setting. It could have a "Span" setting as well as times and temperatures. The operating "span" of MOST residential thermostats is 40 to 90 degrees. That means you can set it as low as 40 degrees and no higher than 90 degrees. It probably has a fan switch also. When in the "ON" position, the fan will run constantly, 24 / 7, but the condenser will still cycle on and off as needed to keep the house at set point. If you have a suggestion to include in this paragraph, please let me know.

Please read the above paragraph and see if we can narrow the possibilities. How long does it stay off? Does it restart by itself? Does it blow any cold air while running? Thank you. Roger

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1 Answer

The unit after running for ten minutes blows hot air inside the house


Service your unit completely and then check the following. 1. Thermostat setting must be minimum +3 degree from your temp. 2. Check room temp sensor 3. Check your out door unit fan motor. (If the outdoor fan runs with less rpm the compressor will get cut off by overload protector)

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Central heating HVAC blows cold air -


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