How HVAC Condenser Coils Work and How to Clean Them

When it comes to central AC maintenance, you’ll want to ensure that the condenser coils are regularly checked. Why? Dirty, clogged condenser coils reduce HVAC efficiency and increase energy consumption, and what happens is your system starts to overheat or fail — a problem no one wants to have.

If you’re ready to clean your HVAC system’s coils, you’ll find them on the outdoor AC unit — AKA the condenser — located directly below notable grating or grooves on the unit’s side, which is how you’ll find where to look.

How does the condenser coil work?

The condenser coil is an integral part of any HVAC system that works by compressing refrigerant to remove heat that is then pushed out of your home using fans. Refrigerant enters the unit as gas but as it is pressurized, heat is released as it’s condensed into liquid. The cooled liquid then cycles back into the home to absorb more heat and continue the process of keeping your home cool.

What damage can dirty condenser coils cause your AC?

Condenser coils are prone to getting clogged by dirt, which can significantly reduce AC efficiency. This makes it not only harder to cool your home’s interior but also means your utility bill is likely higher due to running the system more often than necessary.

How often should I clean my condenser coils?

You should clean your condenser coil whenever it’s dirty. If it’s easier to follow a timeline, we recommend regular planned maintenance and a focused cleaning at least once per year. A good time to check is in the spring, giving yourself wiggle room to perform maintenance before it’s time to run your AC full blast.

How to Clean HVAC Condenser Coils

Cleaning the condenser coils is relatively easy and can spare you from more problematic issues down the road. You have a few options to choose from:

• You can use a simple water hose and apply a moderate amount of pressure to effectively remove debris from the condenser grating.
• You can also purchase spray-on coil cleaner from your local hardware store or online and use a brush to clear the debris. You’ll also want to spray down the condenser coils with water once you’re finished.

Cleaning your unit’s condenser coils can save you from running your AC more than you have to, cut down on costs, and increase the overall lifespan of your system. Have more questions on your system’s condenser coils?

Contact the experts at Sedgwick Heating & Cooling for more information.