Central AC Repair in Montvale, NJ: Identifying Strange AC Noises

As your conditioner gets older, you may start to notice strange noises coming from the unit. If so, then contact Air Temp. Our technicians can give your system an AC inspection to determine what the problem is. We offer complete AC repair, installation, and maintenance for homeowners in Montvale, NJ.

Below, we look at common reasons why your air conditioner may be making noises. If you have any further questions or schedule an AC repair, contact us today at 800.969.1232.

AC Banging Noise

Do you hear a loud banging noise coming from either the indoor or outdoor unit? If so, it could be the AC compressor. The compressor circulates the refrigerant that keeps the air cool throughout your house.

The part inside the compressor can become loose and start making a loud banging noise from rattling around inside the compressor’s casing. An Air Temp technician can may be able to repair the compressor. In most cases, however, we’ll need to replace it, because it’s not repairable.

AC Buzzing Noise

A buzzing noise can come from two different areas in your AC system: the air handler inside or the outdoor unit. A buzzing noise is typically a symptom of a problem within the electrical wiring. The wiring may be loose, damaged or outdated. Common AC electrical problems include:

• A worn out motor
• Poor connection in the wiring
• Damage capacitor
• Malfunctioning compressor
• Arcing (when the electrical current follow a path that is not intended and causes a spark or fire)

AC Clicking Noise

There are two possible reasons why an air conditioner may be causing a clicking noise:

• A small object is lodged in the blower fan. The fan hits the object when you turn your AC on.
• There is an electrical issue within the thermostat, compressor or capacitor. You may hear the noise when you try to turn the AC on but experience a power failure.

AC Hissing Noise

As your system gets older, you may eventually hear a hissing noise coming from the central unit inside or outside. If so, there is probably leak somewhere in the system. You should contact an Air Temp technician right away to schedule an AC repair. Where is the leak coming from?

• The air ducts
• Expansion valve
• The AC encasement
• Refrigerant

Over time, the thin copper lines and coils that distribute the refrigerant can develop tiny openings that allow the refrigerant to escape. Older systems can also suffer from carbon monoxide leaks. If left undetected, it can create a hazardous situation in your home.