Show me your air line setup

First suggestion - build a shed OUTSIDE of your shop but butted up against it (or at least withing a foot). Insulate the hell out of the shed on the wall facing the shop and put some rigid foam insulation in the shop where the shed is. Put your compressor in the shed and run air lines into your shop. There is nothing like having the compressor go off unexpectedly while you are in the middle of doing something delicate...

I mounted my 60 gallon upright to an aluminum plate with craftsman tool box casters underneath so I can roll it outside the shop door, close the door and let it run when I dont want to hear it run loud.

I also removed the tank drain petcock on the tank, threaded in some straight brass tube, a brass 90° elbow and more brass tube, brass unions, to a ball valve, and a rubber hose I ran through the shop wall.

The water collects in the brass tube, not in the bottom of your tank. Open the valve and blow the water and crud outside.

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