Why do A/C coils freeze?

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#21

I’d say Flowrater & cap tubes are still probably more common, Followed by TXV. EEV or EXV are the next thing

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#22

I’d love to look at the intake side of my evaporator coil. Do you have any tips on doing this with a horizontal flow system? Looks like I will have to remove some screws and silver tape on the ductwork from the blower to the evaporator and take down the side panel. Sound right?

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#23

I often drill a small hole and use a borascope if I can’t easily untape and unscrew the panels.

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#24

Good idea. I have a cheap Harbor Freight scope somewhere if I can find it.