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Troubleshooting 10 Most Common AC Problems

Air conditioner has become an important part of our lives, allowing us to survive the hot summers. If you require air conditioning installation in Lewiston, ID, contact Unlimited Heating and Refrigeration.

You should know the most common troubleshooting problems faced to take preventive measures.

What Are The Most Common Problems Faced?

  • Air Conditioner Blowing Hot Air

It is one of the frequent problems which mainly occurs when there is a blockage. A dirty air filter blocks the passage of air and limits the cooling. The problem may also arise if the thermostat is not set properly.

  • Refrigerant and Water Leakage

A refrigerant named freon is used for cooling the indoor unit. The refrigerant moves from the indoor unit to the outside through ducts. If there is insufficient coolant or refrigerant leaks, the AC can malfunction.

  • The Air Conditioner is not Turning On

It may occur if the batteries of the thermostat are dead. Check and replace the batteries and see if the thermostat is set properly. Then check the circuit breaker and reset it. If it’s still not working, air conditioning replacement in Lewiston, ID, is a reasonable choice.

  • The Outside and Inside Unit is Freezes

The outside unit often freezes up because of the dirty air filters. The fault may also be in the condenser unit. If the air is not flowing, it freezes the components inside and stops working.

  • Weird Noises from the Air Conditioner

You will often hear a rattling sound if there are some faults in the long blower. When there is a refrigerant leak, a hissing sound is produced. A buzzing sound is created by faulty electrical components.

  • Clogged Up Drains

The drain through which the moisture travels is often clogged with dirt, mold, and debris. You should regularly clean and maintain the drainage system appropriately to prevent it.

  • The Evaporator Coil Gets Frozen

The coil gets frozen when insufficient air is available for the system. A frozen evaporator coil freezes the air conditioner, which stops its functioning.

  • Blocked Vents

Blockage in vents, clogged air filters, and faulty blowers make the air flow insufficient. Contact a professional to clean out the blocked vents.

  • Electrical Failure

Frequently turning the air conditioner on and off can wear out the compressor. It disrupts the electrical connection between the motor and compressor. Faulty electrical connections in the air conditioner will lead to short circuits.

  • Sensor Malfunctioning

A thermostat sensor is located near the evaporator coil. The sensor helps the thermostat to adjust the temperature in your home. If the sensor is faulty, the conditioner can turn on and off the cycle randomly.

Contact a Certified Technician.

Certified technicians receive training in different fields. They are confident in air conditioning installation in Lewiston, ID. The technicians accumulate lots of experience throughout the year and will give you many helpful tips. Contact for technicians from the local best company in the area.


An air conditioner can last for ten years with proper servicing. Air conditioning replacement in Lewiston, ID, is a good option if it breaks down frequently. Unlimited Heating and Refrigeration is one of the promising companies for repair, installation, and service. Contact us today.