If you changed the filter and the evaporator coil still continues to freeze you may have a refrigerant problem or worse.
Attic air handler filter.
Call your local phoenix hvac technician as soon as you can.
It s generally located in your attic basement closet or crawlspace.
The air filter is usually located in the return air duct or blower compartment before the return air reaches the air handler.
Your air handler consists of an evaporator coil blower motor air filter and the electrical and electronic components required to deliver enhanced levels of indoor comfort.
Your air handler assists in regulating the circulation of indoor air and the temperature of the air in your home that you have set on your thermostat or control system.
Having your hvac system in your attic isn t dire though you ll need to do some work to keep your air conditioner or furnace system running as efficiently as possible.
The first and possibly most important thing is to make a commitment to yourself to change your hvac filters regularly.
Since the ahu is the central unit that moves the air throughout the ductwork it is important to make sure nothing obstructs the airflow through the air handler such as dirty or clogged air filters.
A regular air filter maintenance schedule will help you maintain good airflow through the duct system.
A clogged air filter might have been the cause of the frozen evaporator coils in the first place.
This allows the filter to clean the air coming from your house before it enters the hvac unit.