This thread is way off from the OP's main question.
I dont think he got an actual reply just a ton of debate on home automation devices.
OP: If you are just moving the switch from one side of the door to another what you are attempting to do would potentially be easier to run a new 14/3 from...
I got my boxes up and ran about 150 feet of romex this weekend. Still have another 300 feet to go of the thicker stuff.
The tall walls are nice, but pulling romex 12' in the air makes for a slow day.
I have a similar build but went with 24x30x11.5. You are way ahead of me in progress though. I haven't ran a single length of wire. Just had my subpanel put in a few weeks back structure has been up since October.
I'm no expert but I'd throw these on your problem units and see if they start tripping. Obviously you'd want to size down for the correct amperage. If they don't trip and are still frying boards you just have bad luck...
Don't forget power for the garage door opener(s). Depending on the type 15A service should be fine for both.
Also local Code may require an exterior GFCI outlet and lights over any man doors you have.
For wiring check amazon, I got a 50' 8/2 and 100' 10/2 Romex for $80 less than a big box.
You could hook up a smart relay to a 240V contactor and control the compressor that way. But you'd need a low voltage transformer as well. Most likely easier to shut it off at the valve like others suggested.
Personally I would go with copper piping. Home Depot has a contractor price on 3/4"x10' type M for $13.79 each when you buy 10 or more. Obvious benefits are ease of parts sourcing and ability to fix leaks rather quick if needed. Also sweating a pipe is damn near the easiest thing you can do to a...