How Do You Replace An Evaporator Coil?

When your air conditioner stops blowing cold air, it may be time to replace your evaporator coil. Some technicians charge anywhere from $800 to $1,500 to do this. While we suggest hiring a professional to replace evaporator coils, here's an idea of what you can expect, if you want to try it yourself.

Park any remaining Freon in your air compressor. Turn off the liquid line at the air compressor, and switch the gauge to low before changing your ac evaporator coil. Cut off compressor.

This is a tricky step when changing your HVAC evaporator coil, and it's best to have an extra pair of hands to help out. When the pressure reaches zero, shut the valve off on the low side. Cut off the compressor right away.

If you run the compressor with no incoming gas, you'll burn it out. Cut tubing. Next, cut the lines which lead from the compressor to the air conditioner evaporator coil with a tubing cutter.

Remove the old evaporator coil. Install new evaporator coil. Slide in the new evaporator coil.

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