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If your air conditioner is set to cool and it is heating you have a broken thermostat.

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Q: If your air conditioner is set to cool why is it heating?
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Why is the air coming out of the air conditioner not cold?

This usually happens because the AC is set to heat and not cool. If it is set to cool then get it checked out by a qualified AC technician.


How do you set the temperature on a Haier air conditioner?

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Why Shut off air conditioner circuit breaker in the winter?

It is a power safety move. When you are heating your home in the winter time and maybe the heat gets turned up on a very cold day, the temperature could go higher that where the set-point for cooling is set on the air conditioner. The two devices would be in conflict with each other. The heating system trying to warm the house and the A/C trying to cool the house both at the same time. With the breaker turned off to the A/C this will not happen and the house will heat up to where you set the heating thermostat. Most large commercial and industrial businesses have interlocks between the two systems so that only one system can work at a time.


What temperature should you leave your air conditioner when you go on vacations?

You should leave your air conditioner set on 80 degrees when you go away on vacations. I you have a programmable thermostat for your air conditioner set it to lower the temperature to 70 right before you get home.


What temperature should be set for air conditioner when not home?

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How do I fix my 1999 Buick Park Avenue Ultra that blows cool air out the driver side when the air conditioner is on but blows HOT air out the passenger side no matter how you set the temperature?

sounds like you need an A/C programmer


Why does your vent blow hot air when it is set on cold?

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Why does your air conditioner not cool?

There are many reasons why it does not work: its temperature control may be set too high; it may have lost all its refrigerant because of a leak in the system; its compressor pump may have stopped working; etc... If you cannot see anything obviously "set wrong" the best advice anyone should give you is to call a licensed Heating, Ventilation and Air Conditioning (HVAC) technician to advise you and/or fix it for you.


When you set your thermostat at 70 degrees with the heater on feel warmer than when the air conditioner is set at 70?

In heating, the air coming out of the registers is in the range of 110-150 degrees F, so it feels warm as it approaches us. In cooling, the air out of the registers is 45-65 degrees F.The HVAC Veteran


What should the air conditioner be set on?

try 78 degrees when cold


Does ac work better with doors closed?

Absolutely. If you leave the doors open, the air conditioner will need to work over capacity as you are allowing warm air into the area. As well as warm air entering, you are allowing the cooled air to exit. Having the doors open means that the air will not cool to the temperature you have set the air conditioner to, and it will be using far more electricity than it usually would with the doors closed.


What temperature is the most environmentally friendly for your air conditioner to be set at in the summer?

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