Well mainly it s a way to save space.
Direction of the evaporator coil in a attic hvac unit.
An ac evaporator coil.
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 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.
This effort is 100 labor.
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.
Horizontal the unit seems to be laying on its side and the airflow flows in from one side and out the other side.
So why put an hvac system up in the attic at all.
Attic hvac systems save space.
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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.
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.
Evaporator coils are a hot topic when it comes to hvac repairs.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
The condensate line is the pipe that collects moisture from the evaporator coil and then directs that water outside.
The evaporator coil cleaning in total for this system took a little over 2 hours.
This type of unit is most common when the unit is installed in a closet.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
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.
Sometimes a bad hvac evaporator coil leads to people replacing their whole hvac unit.
The cleaning process itself isn t complex once the coil is removed but it has to be removed correctly and reinstalled correctly too.
Why and when to replace a coil.
If you see ice on the evaporator coil or notice 1 of these 4 signs then you ll need a professional to help diagnose and fix any low airflow or refrigerant issues.
Evaporator coil removal cleaning photos.
A clogged condensate line.