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5 Most Common Reasons Your AC Needs Repairing


Australia gets hot in the summer, that is why nearly 5 million Australian households have air conditioning units. To most people, they are an essential item and one that is often underappreciated until it breaks down. At this stage, you will want to get hold of an industrial air conditioning specialist fast.

Of course, it can help to understand the most common reasons for air conditioning failure, a little preparation can avoid them breaking down.

1. Lack of Maintenance

One of the most common issues is simply a lack of maintenance. Your AC unit is a mechanical appliance with moving parts and liquids. If the liquids are low or the moving parts are not properly maintained they will stop working properly. This is often what causes AC breakdowns at the start of the season as the unity has been sat, collecting dirt for months.  

2. Low Refrigerant

The refrigerant is an essential part of your air conditioning system. It circulates through the coils and extracts the heat from the air, allowing the unit to blow cool air into your home. If the refrigerant level is low it cannot extract the heat properly and you will get warm air when you want cold.

Refrigerant is dangerous, it is normally sealed into the system. Therefore, if the level is low you probably have a leak and you should get the professionals to deal with it. 

3. Frozen Coils

The coil is another essential part of the system. However, if it is frozen the air will not be drawn through it properly and won’t be cooled. There are several reasons for frozen coils, including low refrigerant, dirty filters, or another general fault. You will need an expert to evaluate it for you. 

4. Sensor Issues

Your air conditioner has an array of sensors. These control the amount of air allowed through the unit, the temperature of the air, and even the speed of the fan. When one of the sensors stops working properly the unit will not function correctly. Depending on the fault you may find it blows out warm air instead of cold or it may stop working altogether. 

It is also worth noting that the thermostat is a sensor. If the signal to the unit is broken it will not know when to turn on or off. A dodgy thermostat or one positioned incorrectly can also affect the temperature the air conditioning thinks it has created.

5. Bad Electrics

Finally, the fifth most common reason for air conditioning failure is simply bad electrics. It can be because your electrical system has been altered during the cooler months and you didn’t realize you affected the air conditioning circuits.

It can also be a problem with the electrical installation, interior wiring, or even the thermostat. You will need a qualified air conditioning technician to look at the issue, diagnose the problem, and then fix it.

Remember, most issues can be avoided by having annual maintenance completed. It is that simple.

partnered post • cc-licensed image by Niall Kennedy