Usually this is located in an attic or closet.
Cleaning evaporator coil in attic.
Next you need to find the coils themselves.
How to clean a c evaporator coils using a brush brush cleaning can be a very effective technique for removing minor accumulations of dirt from evaporator coils.
Turn off power to the air handler by flipping the toggle switch near the air handler the.
By keeping your evaporator coils clean your system will work more effectively and efficiently and.
The most basic way to keep evaporator coils clean is to make sure your ac unit has clean air filters installed.
Brush cleaning allows you to avoid the use of liquids or chemicals and gives you greater control on the pressure applied to the coils and fins.
By annually cleaning the evaporator coils of air handling units before the cooling season starts you can increase your a c system s cooling efficiency and overall life expectancy.
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.
The external surfaces of the evaporator coil that face the airflow in the duct are accessible and cleaning is generally within the skill level of most do it yourselfers.
It usually looks like a light switch inside of a grey box located in the attic.