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Welkin Heating & Air

Top Signs Your Air Conditioner Needs Repairs

When the heat is on, your air conditioner is your lifeline to comfort. But like any hard-working machine, it can start to show signs of trouble. Ignoring these signals could leave you sweltering in the summer heat and facing costly air conditioner repairs


To help you stay cool and avoid a breakdown, here are nine key signs that your air conditioner needs professional attention.


1. Weak Airflow from Vents

If you notice that the airflow from your vents isn’t as strong as it used to be, it’s time to pay attention. Weak airflow is often one of the first signs that something is wrong with your AC.


 This could be due to a clogged air filter, blocked ducts, or even a failing compressor. If left unchecked, it can strain your system, leading to bigger problems down the road.


Quick Check: Hold your hand up to the vent. If the air pressure feels weak, it’s a sign that something’s off.


2. Warm Air Instead of Cool

Feeling warm air coming from your AC instead of cool air? That’s a major red flag. There could be several reasons for this, including low refrigerant levels, a malfunctioning compressor, or a problem with the thermostat. Whatever the cause, warm air means your system isn’t doing its job, and it’s time to call in the pros.


Did You Know? The U.S. Department of Energy estimates that refrigerant leaks can reduce your air conditioner’s efficiency by up to 20%.


3. Strange Noises from the Unit

Your air conditioner should run quietly in the background. If you start hearing strange sounds like grinding, squealing, or banging, it’s a clear sign that something’s wrong. These noises could indicate anything from a loose belt to a problem with the motor. Ignoring these sounds could lead to a full-blown breakdown.


Pro Tip: Don’t wait for the noise to go away on its own. Call a technician as soon as you notice it.


4. Foul or Unusual Odors

If your air conditioner starts to emit unpleasant smells, it’s not something to ignore. A musty odor might indicate mold in the ducts or unit, while a burning smell could suggest an electrical issue. Both of these problems require immediate attention to prevent further damage or health risks.


What to Do: Turn off the unit and contact an HVAC professional if you notice any unusual smells.


5. Frequent Cycling On and Off

Your air conditioner should cycle on and off periodically throughout the day. However, if it’s constantly turning on and off without effectively cooling your home, there’s a problem. 


This issue, known as short cycling, can be caused by an oversized unit, a faulty thermostat, or low refrigerant levels. Not only does this waste energy, but it also puts extra strain on your system.


Energy Fact: According to the Environmental Protection Agency (EPA), short cycling can reduce your AC’s efficiency by up to 50%, leading to higher energy bills.


6. Rising Energy Bills

Speaking of energy bills, have you noticed them creeping up even though you’re not using your AC any more than usual? A sudden increase in energy costs can be a sign that your system is struggling to keep up. 


This could be due to a range of issues, from dirty coils to a failing compressor, all of which need to be addressed sooner rather than later.


Check This: Compare your energy bills month-to-month. A spike in costs could mean your AC is working harder than it should be.


7. Moisture or Leaks Around the Unit

Seeing moisture or leaks around your AC unit is a sign that something’s not right. This could be a sign of a refrigerant leak, which is not only harmful to the environment but can also reduce your system’s cooling power.


 Alternatively, it could be a drainage issue, where the condensate drain is blocked or broken.


Action Needed: Leaks should be addressed immediately by a professional to avoid more significant damage to your system.


8. The Thermostat Isn’t Working

Sometimes, the issue isn’t with the air conditioner itself but with the thermostat that controls it. If your thermostat isn’t responding or is giving incorrect temperature readings, your AC won’t work as it should. 


Whether it’s an older manual thermostat or a newer programmable one, a malfunctioning thermostat can cause all sorts of cooling issues.


Tip: If you suspect a thermostat issue, try replacing the batteries first. If that doesn’t work, it may need to be recalibrated or replaced.


9. The Unit Is Blowing Dust

If your AC seems to be circulating dust around your home, there could be a problem with the air filter or ducts. A dirty filter or dusty ducts can reduce your system’s efficiency and lower the air quality in your home, leading to health issues over time. 


Changing the air filter regularly and having your ducts cleaned can help, but if the problem persists, it might be time to get your system checked.


Health Note: Poor indoor air quality can lead to respiratory problems, especially for those with allergies or asthma.


When to Call Welkin Heating & Air

Recognizing these signs early can save you from a sweltering summer and a hefty repair bill. At Welkin Heating & Air, we specialize in diagnosing and fixing air conditioner problems quickly and efficiently.


Our team of experienced technicians is here to ensure your home stays cool and comfortable, no matter how high the temperature climbs. Don’t wait until it’s too late—give us a call at the first sign of trouble.

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