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    Why Is My Air Conditioner Not Cooling The House

    Why Is My Air Conditioner Not Cooling The House

    If you are searching “Why Is My Air Conditioner Not Cooling The House?” or  “AC not cooling” this post should help!  When your AC is not cooling the house it is more than a matter of comfort in the hotter regions of the world.  If you live in Arizona keeping your home cool is a matter of health and safety.  If your AC system isn’t working call for immediate repairs from the professionals at AC & Refrigeration Co. by calling (602) 488-7161.

    AC Issues You Can Solve DIY

    Is the central air conditioner unit in your home no longer keeping your house cooled down? Maybe your unit is only blowing out warm air, or is it blowing hot air? There is a variety of things that may have resulted in the AC not cooling down like it should. However, for your convenience, we will lest the issues in categories below that you are able to tackle on your own, and then some that should only be attempted by an air conditioning repair professional.

    Issue 1. The thermostat is set in the ‘On’ position, rather than ‘Auto’.

    If your A/C unit is blowing out cool air on occasion, with warmer air at another time? If this is the case, then your thermoset could be in the ‘ON’ position, meaning it will run the fan constantly without shutting off. However, when set to ‘Auto’ it turns the fans on only when it is cooling.

    DIY Fix: Switch the thermostat to the Auto position.

    Issue 2. Air Filter is Dirty

    When the filter gets dirty the airflow to your AC unit is reduced, which results in various issues.

    Evaporator coil: This is the section which cools down the air which is blown out the vent. It is literally freezing the air, and when the air flow is reduced it can turn into a solid ice. This blocks even more air flow, and it will not cool the air coming out as it should.

    Struggling AC: When the air flow is reduced, it makes it challenging for the AC to properly circulate the cool air enough to actually cool the room temperature. If this is the case, it can result in situations where the temperature is set at 72, but never drops below 78.

    DIY Fix: Make sure the air filter is clean, if it is dirty put a new one in of the same size.

    Issue 3. Outside Unit is Dirty

    The inside unit of the AC is the evaporator. This absorbs heat in the air, transferring heat which is sent to the outside unit called a condenser.

    If the outside unit (condenser) is dirty, it will not be able to dissipate the heat properly and results in the AC struggling to keep the house cool.

    DIY Fix: If the outside unit is dirty, spray it down with a garden hose gently. Avoid blasting the unit with a high-pressure stream or you will end up bending fins inside the unit which allows the air flow to properly cool off the condenser.

    Additionally, any weeds or debris should be removed that may be growing around the AC unit. These things need breathing room to you know!

    Issue 4. Frozen AC Unit

    Mechanical issues can cause your AC to freeze up and stop blowing cold air. If you have a a clogged filter dryer, kink in the refrigerant lines, a blower fan that is out of balance or dinged, or a blower fan that isn’t running, then these can cause a pressure change in your AC system and cause the AC to freeze up.

    Issues for AC professionals

    Below are some issues that could be causing your AC unit not not to work properly, but need a professional air conditioning technician to fix the issue.

    Issue 1: Broken or Faulty Condenser Fan Motor

    If you find the fan motor is not working properly, or not at all it cannot dissipate the heat properly and the house will not cool down.

    Issue 2: Low Refrigerant Leak or Refrigerant Charging

    The liquid which absorbs heat out of the air is called refrigerant. If you’re A/C unit does not have the proper amount of refrigerant, it will not properly absorb the heat needed for cooling down the air. When your unit has a low refrigerant level, there is only one cause, you have a leak.

    Signs of a refrigerant leak:

    1. Refrigerant line has ice buildup.
    2. Hissing or bubbling noises.
    3. A/C unit cannot properly cool the home, particularly on hot days, but is able to cool at night or on cool days.

    If any of these signs fit your situation, you should turn the A/C unit off and contact an air conditioning professional soon as possible. By continuing to run the air conditioner like this, it can result in the compressor to become sluggish which will eventually damage it more, possibly beyond being repaired.

    Issue 3. Bad Compressor

    When it comes to the core of the A/C system, you have the compressor which circulates the refrigerant through the system like a heart pumps blood through the human body. If this is damaged, your AC unit will not be able cool the air.

    If the compressor is having problems, then it could be time to replace it. Unfortunately, an air conditioning compressor will be an expensive replacement. By expensive, we mean if your unit is no longer covered under warranty, it is best to simply replace the entire outside unit.

    Professional AC Repair In Phoenix

    Have you attempted correcting and solving the issue on your own? Did it not help, and AC still is not blowing out cold after the issues above were addressed?  If you live in the Phoenix Valley our team of AC repair professionals can solve any issue that’s causing your house to not cool.  From minor adjustments to major repairs we strive to make all of your services fast, affordable, and offer repairs that last!

    Contact us to schedule a time for an A/C repair and get a quote for AC repair at your residential property in the Phoenix Valley by calling (602) 488-7161. Our team of professionals can help get your AC blowing cool air again, whether the unit is a Trane, Carrier, Goodman, Rheem, Bryant, Amana, York, Lennox, or another brand.

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  • Posted by Why Is My Air Conditioner Freezing Up? | How To Unfreezee on March 26, 2018, 5:22 pm

    […] you are within our Phoenix servicing area and your air conditioner is not cooling the house, simply contact us today to receive a quote or schedule a time for an A/C repair. Our team of HVAC […]

    Reply →
  • Posted by Deb Pearl on April 12, 2018, 5:46 pm

    I’m glad you mentioned that if the fan motor is not working properly, it can’t dissipate the heat properly and the house will not cool down. I have noticed that my house doesn’t get that cold anymore. I will have to call someone in to come take a look at our fan motor.

    Reply →
  • Posted by Penelope Smith on July 12, 2018, 1:03 am

    This is some really good information about AC repair. It is good to know that it would be smart to listen for a hissing or bubbling nose. As a new homeowner that is good for me to know because I can’t sleep unless it is cold in my home.

    Reply →
  • Posted by Kenneth Gladman on July 26, 2018, 10:18 pm

    I like that you warned against the noises your system makes. This is something you can pay attention to on your own when it starts up. If you notice the hissing or unusual sounds you should contact a professional.

    Reply →
  • Posted by Lilia Robberts on August 6, 2018, 3:24 pm

    My AC hasn’t been working very well. Thank you for sharing, "If the outside unit (condenser) is dirty, it will not be able to dissipate the heat properly and results in the AC struggling to keep the house cool." I found this useful because the condenser is dirty, I’ll need to clean it. Along with this, I want to find a contractor who can also tell me if I have additional problems with my AC.

    Reply →

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