Evaporator coils are a hot topic when it comes to hvac repairs.
Direction of the evaporator coil in a attic hvac unit.
So today we will be touching on what the evaporator coil is why it goes bad and when you need to replace it to keep your hvac unit running smoothly.
Four more shots below and in the last you ll see.
A clogged condensate line.
It sits inside a metal covering in the part of your ac unit that s inside your house 1 the metal casing containing the ac evaporator is usually stashed away in a closet in the attic or somewhere else out of sight.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
How to clean evaporator coil ac freezing over with ice cleaning dirty hvac coil with cleaner duration.
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.
So if your evaporator coil has sprung a leak and your unit uses r 22 it could get very expensive to replace the coil and then recharge your unit with more r 22.
The cleaning process itself isn t complex once the coil is removed but it has to be removed correctly and reinstalled correctly too.
R 22 is so expensive in fact that most hvac professionals would advise replacing the entire unit not just the evaporator coil if you have a refrigerant leak anywhere in the system.
An ac evaporator coil for a central air system is a pyramid shaped or a frame network of copper coils.
Evaporator coil removal cleaning photos.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
This effort is 100 labor.
Note that regardless of which cleaning method you choose you will need to start with preparing the air handling unit and end with restoring power to the air.
An ac evaporator coil.
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The condensate line is the pipe that collects moisture from the evaporator coil and then directs that water outside.
This type of unit is most common when the unit is installed in a closet.
The evaporator coil cleaning in total for this system took a little over 2 hours.
So why put an hvac system up in the attic at all.
Attic hvac systems save space.
Horizontal the unit seems to be laying on its side and the airflow flows in from one side and out the other side.
Why and when to replace a coil.