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Summer heat can be relentless, and the last thing you want is for your air conditioner to call it quits when you need it most. Unfortunately, AC breakdowns often happen without warning—at least, that’s how it seems. But in reality, most systems show early signs of trouble long before they fail.
Catching these signs early could save you from uncomfortable days, emergency repair fees, or even full system replacement. Here are five common warning signs that your AC might be on the verge of a breakdown—and what you should do if you notice them.
1. Weak or Warm Airflow From Vents
If your AC is running but the air coming from your vents feels weak or warm, that’s a red flag. Poor airflow could point to a number of underlying issues, including a clogged air filter, ductwork leaks, or even a failing compressor.
Ignoring the issue can cause your system to work harder than it should, leading to overheating or a complete shutdown. If airflow suddenly drops off or never feels truly cool, it’s time to schedule a professional inspection.
2. Strange Noises You’ve Never Heard Before
A healthy AC system hums quietly in the background. But if you start hearing new and unusual noises—like banging, screeching, buzzing, or rattling—it could mean trouble. Banging noises may suggest a loose or broken part, while screeching could indicate belt or motor issues.
Electrical buzzing might point to a wiring problem or failing component. These noises aren’t just annoying—they’re signs your AC is struggling and could stop working entirely if left unchecked.
3. Frequent Cycling or Long Run Times
During the hottest parts of summer, your AC may run longer to maintain comfort—but it should still cycle on and off at regular intervals. If your system is constantly turning on and off (short cycling), or seems to run endlessly without reaching the thermostat setting, it may be losing efficiency or suffering from a malfunctioning sensor or refrigerant issue. Not only does this drive up your energy bills, but it puts unnecessary wear on your system, increasing the chance of a breakdown.
4. Moisture, Leaks, or Ice Buildup
Seeing water pooling around your indoor unit or ice on your outdoor condenser coils is never a good sign. These problems could be caused by a blocked condensate drain, low refrigerant, or evaporator coil issues—all of which can lead to system failure if not resolved quickly. Even minor water leaks can cause mold growth or damage to surrounding areas, so don’t wait to investigate the source.
5. Increasing Energy Bills with No Change in Use
Have your cooling costs jumped significantly compared to last summer, even though your usage hasn’t changed? A rising utility bill often means your system is working harder than it should to cool your home. That loss in efficiency can come from aging parts, refrigerant issues, or a failing compressor—all warning signs of an impending breakdown!
At Gideon Heating & Air Conditioning, we like to say that our work isn’t just good—it’s Gideon Guaranteed! Contact us today to schedule HVAC services.