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HomeRepair HelpComfortmaker Central A/C RepairComfortmaker Central air conditioner leaking at furnace or air handler Repair
Comfortmaker Central air conditioner leaking at furnace or air handler
If your Comfortmaker air conditioner is leaking water at the furnace or air handler, the condensate is not draining correctly from the evaporator coil. The most likely cause is an evaporator coil that is not tilted toward the drain outlet, allowing water to miss the drain hole and overflow the pan. Next, inspect the Comfortmaker drain pan (also called a drip tray). If water is leaking but the pan is not overflowing, it may be cracked and require replacement. A clogged condensate drain line, drain tube, or drain trap is another possible cause. When the AC runs, moisture collects on the evaporator coil, flows into the pan, then travels through the drain line to a floor drain or condensate pump. Shut off power at the disconnect box or circuit breaker before clearing a clog, and never work on energized 240-volt wiring. Enter your model number to find the exact replacement drain pan or other part for your specific Comfortmaker central air conditioner. Adjusting the coil or opening the sealed refrigerant system should be handled by a licensed HVAC technician, and any refrigerant work requires EPA 608 certification.
01 - Evaporator Coil Not Tilted Toward Drain
To help the condensate water to flow towards the drain outlet in the pan, most installers will tilt the evaportor coil slightly towards the drain hole. If the evaporator coil is not level, or tilted incorrectly, water will not flow to the drain hole and may overflow the pan.
Common
02 - Comfortmaker Central Air Conditioner Drip Tray
The evaporator is normally tilted slightly towards the drain hole to help the water to drain properly into the drip tray. If water is leaking from the drip tray but the tray is not overflowing, the drip tray is likely cracked and will need to be replaced.
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Common
03 - Comfortmaker Central Air Conditioner Drain Pan
The evaporator is normally tilted slightly towards the drain hole to help the water to drain properly into the drain pan. If water is leaking from the drain pan but the pan is not overflowing, the drain pan is likely cracked and will need to be replaced.
Common
04 - Clogged Drain Tube or Drain Trap
When the air conditioner is running, condensation forms on the evaporator coil and drips into a drain pan. From there the water is directed through a pipe with a trap to a floor drain or condensate pump. If the drain tube or trap gets clogged, the water will back up and overflow the drain pan. If water is leaking from the evaporator pan, it is likely the drain tube or trap is clogged and will need to be cleared to allow the water to flow normally. Be sure to shut off the power to the unit before attempting to remove the clog.
Less Common
Frequently Asked Questions
Why is my Comfortmaker air conditioner leaking water at the furnace or air handler?
How do I fix an air conditioner leaking water from the evaporator drain pan?
Can an incorrectly positioned evaporator coil cause an AC condensate leak?
How do I identify the correct Comfortmaker drain pan or drip tray replacement part?
When should I call a technician for an air handler leaking water?
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