During the summer months, air conditioning systems draw heat from the interior environment of buildings and dissipate it outside, keeping buildings cool and comfortable. Unfortunately, these mechanical space-cooling solutions can develop problems that leave building users or occupants at the mercy of the summer heat.

Recognising the signs of a malfunctioning air conditioning system is an essential component of ensuring the timely repair of your residential air conditioner. Here are some AC trouble signs that you should never ignore.

No cool air

When your air conditioning unit is running smoothly, you should feel cool air blowing out of your air vents. A simple way to test the air temperature is to place the back of your hand against the air vents.

If the air is warm instead of cool, your AC system may have a problem. The first thing you should do if your system is blowing warm air is to check the thermostat. If it is set correctly for the cooling season, you may need to bring in an HVAC specialist to look at it.

Inadequate airflow

A properly functioning AC system should provide a sufficient supply of cool air throughout your living space. If you are experiencing weak airflow, something may be wrong with your space cooling system.

The usual culprit behind poor airflow is a dirty air filter. An air filter prevents dust, pollen, allergens and other airborne contaminants from entering your AC system, removing air pollution from your home.

If your AC filter is dirty, cleaning or replacing it — depending on whether it is reusable or single-use — can help restore proper airflow.

High humidity

Your air conditioning system provides thermal comfort by regulating both your indoor temperature and humidity levels. Controlling your home's humidity is essential to cool the house properly but also prevent moisture-related problems such as mould and mildew and damage to interior furnishings such as furniture, paintwork, and wallpaper.

If your house feels muggy, your air conditioning system might not be working correctly. Any part of the system could cause higher humidity levels than normal, so it's best to get it checked.

While many air conditioning problems can be corrected, others indicate that your system is approaching its final rest. An HVAC contractor can diagnose your air conditioner and let you know whether you require an AC repair or replacement service. Contact them today if you need help with your air conditioning system.

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