Air conditioner evaporator coil cleaning should be performed twice yearly.
Cleaning air conditioner coils in attic.
The evaporator coil and the condenser coil.
If your unit is outdoors apply the foaming coil cleaner to the coils while they re still wet from the hose.
Steam is used by some technicians to clean hvac coils in a process similar to that we described above for compressed air.
Locate the air handler unit usually installed in a closet or attic.
May 30 2018 by zamira leave a comment.
The air filters will capture most of the tiny debris that could cause trouble for your system 4 though regular cleaning will still be necessary the coils will be much cleaner if the air filter is cleaned and replaced when needed.
In general what these coils do is distribute heat.
Any debris that is stuck can be worked away using your soft bristle brush.
Good maintenance will save you money every month on your utility bill and keep you from replacing major parts on your system prematurely.
Once in the spring before the cooling season and once in the fall before the heating season.
Purchase a can of commercially available no rinse coil cleaner.
The two types of air conditioner coils.
A dirty evaporator coil will make your ac unit less efficient thu.
How to clean ac coils in attic.
While there are a number of commercially available coil cleaning solutions on the market air conditioner coils can be cleaned with a solution of a mild household detergent and water.
Apply a foaming coil cleaner.
As we warned earlier if you are using high pressure air water or steam to try to clean a coil be sure you blow air at right angles or straight through the coil fins.
Spray directly into the coils and cover them completely.
This is normally a foamy substance in a spray can that.
The most basic way to keep evaporator coils clean is to make sure your ac unit has clean air filters installed.
Turn off power to the air handler at the main switch or circuit breaker.
Video details how to clean your ac inside your house without removing the coil.
Once you get most of the loose dirt removed you can use an ac cleaning solvent or a mix of water and dish detergent to spray the coils off.
So while they are called air conditioner coils they don t look exactly like our common picture of a coil.
Remove the metal reflective tape.
The coil is either allowed to drain naturally or lightly rinsed with a garden hose.
Indoor units will need to use water less coil cleaner which works the same but tends to be a bit more expensive.
Make sure you are not using a metal or wire brush because it can damage the coils.