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Water Coming From the Ceiling

Here's a breakdown of what's likely happening:

Frozen Evaporator Coil: The ice on the side of your A/C unit is a strong indicator that your evaporator coil (the part that gets cold and removes humidity from the air) is freezing. This can happen for several reasons, including:

Restricted Airflow: Dirty air filters, blocked return vents, or collapsed ductwork can significantly reduce airflow over the coil, causing it to get too cold and freeze.
Low Refrigerant: If your A/C unit is low on refrigerant, the pressure in the system drops, leading to the coil becoming excessively cold and freezing. This often points to a leak in the refrigerant lines.
Blower Motor Issues: A malfunctioning blower motor won't move enough air across the coil, leading to freezing.
Dirty Coil: A buildup of dirt and grime on the evaporator coil can act as an insulator, preventing proper heat exchange and causing it to freeze.
Overflowing Drain Pan: When the evaporator coil freezes, the ice eventually melts. This excessive amount of water then overloads the primary drain pan in your attic. If the primary drain line is clogged, the water has nowhere to go and overflows into the auxiliary drain pan (the larger pan underneath).

Clogged Condensate Drain Line: The water in the drain pan strongly suggests that your condensate drain line is clogged. This line is designed to carry away the condensation (water) that forms on the evaporator coil. If it's blocked by algae, sludge, or debris, the water backs up and overflows the drain pan.


Why is water coming from your ceiling?

Once the auxiliary drain pan overflows, the water has no place to go but down, typically through your ceiling. This can cause significant water damage to your drywall, insulation, and even electrical components.

What you should do immediately:

Turn off your A/C unit: This is the most crucial first step to prevent further water damage and allow the ice to melt.
Clear the drain pan: Carefully try to remove any standing water from the drain pan to minimize immediate leakage.
Check your air filter: If it's dirty, replace it. This is a simple fix that can resolve some airflow issues.
It's highly recommended to call a qualified HVAC technician as soon as possible. They can accurately diagnose the root cause of the freezing and drainage issues, address any refrigerant leaks, clean the coils and drain lines, and ensure your system is operating efficiently and safely. Ignoring these symptoms can lead to more extensive and costly repairs down the line.