Millions of people rely on their air conditioning to help them get through the harsh Australian summer months. As the temperatures begin to climb as the summer progresses, it is important to provide timely maintenance and ac repairs Sydney. Sometimes, people have a running air conditioner that doesn’t cool the space for some reason. Such a situation is likely to leave most people feeling confused and frustrated. The good thing is that there are a few ways to fix this problem.

Some of the common causes behind a running air conditioner that doesn’t cool the space are described here in this guide.

i. Incorrectly Set Thermostat

Incorrectly Set Thermostat

Start by checking the thermostat settings and make sure it is set to cool. If it is set to cool, check the temperature settings and make sure it hasn’t been changed by anyone. If the temperature setting is off, set it to heat before switching back to cooling operation and waiting for the cold air to blow again.

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ii. Blocked Condenser Unit

Blocked Condenser Unit

If you have a central air conditioning system, it is likely to have an outdoor condenser unit. If your AC system is running, but not cooling, it may be due to a blocked or clogged condenser coil. The fins can be filled with various forms of debris including dirt, grass, or dust.

● Clean the coil by removing any debris
● Vacuum the coil using a brush attachment
● Gently rinse using a hose

If the system still doesn’t cool, call an air conditioning company Sydney.

iii. Dirty Air Filter

Dirty Air Filter

Air conditioning systems have an air filter near the indoor air handler unit. It is responsible for catching dust, dirt, and other airborne particles and keeping the interiors clean and running efficiently. Remove and check this filter for signs of debris build up.

iv. Damage to the Heat Pump

If your AC outdoor unit has a heat pump that works like a condenser unit. It is likely to have the following problems that can cause the system to stop cooling:

● Clogged coil
● Build up of dirt
● Frozen coil
● Compressormalfunctions

Refrigerant leaks

v. Frozen Evaporator Coil

Frozen Evaporator Coil

If you have a central air conditioning system, it will have an evaporator coil in the indoor component. You should look for the following signs to confirm whether the AC is having a problem due to a frozen coil:

● Frost formation on the copper refrigerant tubing
● Unexplained increase in utility bills
● Excess condensate drainage close to the indoor unit
● Frost formation on the exterior refrigerant tubing

vi. Leakage of Refrigerant

Leakage of Refrigerant

The refrigerant plays an important role in the cooling process. Leakage of this chemical can also prevent the system from no longer blowing cold air. The system may run for long without causing adequate cooling. Such leakage can also cause the compressor to fail.

vii. Wrong Sized Air Conditioner

All air conditioning systems are calibrated according to their cooling capacities. This capacity is measured in BTUh. When the temperatures rise, the AC may have to run for long to maintain the cool temperatures. If the AC unit is not the right size for the space you want to cool, it can have difficulty achieving and maintaining the set temperatures.

So, these are some of the most common causes of running air conditioning failing to cool the given space. If you are unable to determine the cause of the problem, you should seek the help of a licensed air conditioning company Sydney to inspect and fix the issue.


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