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Why Is My AC Blowing Warm Air?

Summer is the time of year to enjoy the warm weather with fun outdoor activities. But after some fun in the sun, it’s always nice to cool off inside your nice air-conditioned home. However, if your AC is blowing warm air, summertime fun can quickly turn into hot mess. If your AC system is giving you trouble this summer, learn some of the common causes of this AC problem and what you can do to resolve it.

If your AC is blowing warm air, contact Arctic Air Conditioning for air conditioner repair in Mercer, Monmouth, Middlesex, or Ocean County, New Jersey. Give us a call at 732-455-9110 or contact us online!

How Your Air Conditioner Is Supposed to Work 

Cool and energy-efficient air conditioning is achieved by a network of sophisticated components working seamlessly together which manipulate refrigerant inside coils to extract heat from your home and release the heat outdoors. If any component isn’t performing at 100 percent, the entire system suffers, which results in higher cooling bills and deficient cooling. These are the basics of how an efficient AC is supposed to work: 

  • The evaporator coil, which is located inside your home and contains refrigerant, extracts heat from ducted airflow.
  • An air handler forces the cooled air through the supply ducts to the living spaces.
  • The refrigerant flows to the compressor where it is prepped to release heat from the condenser coil outside your home.
  • Once the refrigerant has released heat at the condenser, it flows to the evaporator to begin the cooling process again until the thermostat set point is reached.

What to Do When Your Air Conditioner Isn’t Working

One of the most common issues that occurs with air conditioners, especially air conditioners in need of repair or maintenance, is warm air blowing from the supply outlets. There are three primary sources for this problem, which are issues with the thermostat settings, ice accumulation on the evaporator, and airflow restrictions somewhere in the forced-air system.

The thermostat is the first component to check when you’re having air conditioner problems. The AC issue could stem from incorrect thermostat settings or loose or damaged thermostat components. 

  • Make sure the thermostat is in “cool” and “auto” modes. Set the thermostat temperature 5 degrees above room temperature. Your air conditioner should engage if this was indeed the issue.
  • Remove the thermostat cover. Check for loose wires, and tighten the screw terminals as necessary. Use a soft cloth to gently clean the thermostat components and replace the cover.

Ice accumulation is a common issue for air conditioning systems blowing warm air. Ice on the evaporator coil prevents the refrigerant from extracting heat from the ducted airflow, which means the warm return air isn’t cooled before it recirculates into the living spaces. These are some of the causes and conditions which lead to ice accumulation:

  • A dirty air filter is often to blame for a number of AC issues, including strain on components and higher cooling bills. Turn off your AC. Replace the dirty air filter. Leave the AC off long enough for the ice to melt, and don’t forget to lay down some towels. Restart the AC. If ice accumulates on the evaporator coil again, call your local HVAC pros at Arctic Air Conditioning.
  • Refrigerant charge must be at optimal levels for efficient heat exchange. Too much or too little refrigerant stresses the coils and compressor and causes ice accumulation. Refrigerant charge must be measured by a certified technician.
  • Faulty electrical components or poor contacts also stress the AC system and leads to ice accumulation on the evaporator. This air conditioner repair issue, like refrigerant charge, should be handled by a trained professional.

Repair Your Air Conditioner Today

If your air conditioner is blowing warm air, contact Arctic Air Conditioning today for air conditioner repair  in Mercer, Monmouth, Middlesex, or Ocean County, New Jersey.

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”Our technician Jesse was thoroughly professional and courteous while, all the while, maintaining social distancing. He quickly diagnosed the issue and completed the needed service is short order. I rate…”

- Larry Folvik
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”Arctic was very friendly, professional, and prompt. I received emails and texts confirming the appointment multiple times, and the tech who was on time and very nice. Would highly recommend.”

- Robert Radliff
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”Alex was awesome and very knowledgeable His professionalism is outstanding We hope to see him in the Fall for our Heating assessment thank you Patti Boniello”

- Patricia Decker-Boniello
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”Arctic Air came to the rescue when another local vendor, Artem HVAC, did not show up for their scheduled appointment after waiting all day. Finally at 7pm , after not…”

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”great job unclogging a blocked AC drain , fixed the leak and system is running nice and cool!”

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”Very happy with the service and the tec hnician.”

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”Moving to another town, we were happy to learn Arctic Air also covers this geographic region. We asked for an A/C system check on a system which we believe the…”

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”Professional and courteous and follows the safety procedures for the Virus”

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”I had nothing but terrible experiences with Comfort Pros, the company I was stuck with through American Home Shield (barf!). So I opted for this company out of pocket (just…”

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”Very professional and knowledgeable.”

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”Arctic Air was very helpful with scheduling an HVAC furnace inspection. I received a text when technician was on his way with a photo & some background info (appreciated for…”

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”I had issue w/shower leaking this morning. Way to start a Monday morning. Scott (PLUMBER) was at my Condo between 9am-9:30am & replace my tub spout. Arctic Air also does…”

- Gina Gambino
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”My tenant had a problem with the air conditioning. The unit was working fine then stopped blowing cold air. We had her change the filter which was not changed in…”

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”Promptly arrived within appointed time. Very professional, explained what they were going to do and what was needed. I will use them again if I ever have problems with my…”

- Richard Guadagno
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”Artic Air has been servicing my AC for over 20 years. They are very professional and get the job done! Thank you”

- Annamarie Galante
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”Very good and professional service.”

- Robert Lata
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”My Tenant's air conditioning was not working over night. We thought the problem was a dirty air filter. That didn't work. Called Arctic Air as they had installed the unit…”

- Thomas Rokowski
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