When it’s hot outside, there’s nothing better than coming inside and feeling cold air from your AC unit. But what if it’s several degrees warmer than you expected? If you’re unsure whether it’s time to call an HVAC contractor, here are some other signs to watch for that could indicate the AC isn’t running efficiently.

How to Tell If the AC Unit Needs Attention

1. Humidity

Your air conditioner is supposed to moderate humidity levels within the house automatically. If, however, the inside of your home feels as damp and sticky as outside, it could mean that the AC isn’t running optimally.

2. Bad Smells

AC units should never smell. However, if they do, the odor can help you understand the issue. A musty smell indicates mold growing inside the unit, in which case you’ll need a professional to clean it. Any other strong odors could mean that the wire insulation has burned out, which requires more technical repairs.

3. Strange Sounds

Air conditioners aren’t the quietest of machines, but they tend to make a consistent, low humming noise that’s easily identifiable. Anything other than this could mean something’s wrong. A rattle could indicate a part has come loose. If you hear a clunking or grinding noise, turn off the unit; there could be something seriously amiss inside, and you may end up causing more damage by keeping it running.

4. Water Leaks

A damp puddle under the air conditioning unit can mean one of two things: leaking refrigerant or condensation. The unit uses refrigerant to function; if it leaks, it can be dangerous to your family’s health. If this is the case, call a professional immediately. Alternatively, the tube that takes away the condensation formed during the cooling process could be damaged or blocked. While not hazardous, water leaks can cause structural damage, so get them fixed as soon as possible.

5. Warm Air

The most noticeable indicator you need to repair an AC units is that it blows out warm air instead of cold. Air conditioning should never feel warm, especially after you’ve been running it for 10 minutes or more.

When you need a heating or air conditioning system, look to Advantage Air Heating & Cooling in Danville, OH. They’re the number one HVAC company in Knox County. Whether you need AC units installed or repaired, there’s a problem with your indoor air quality, or you’re looking for high-efficiency water heating solutions, their highly skilled technicians will deliver expert service every time. For more information on the full range of services they offer, visit their website. For a free quote and to schedule an estimate appointment, call (740) 504-9430.