Reddit reviews Modern Refrigeration and Air Conditioning

Learn the local supply shops, even just a quick brush up so you can run for parts fast. knowledge of pipe and valve sizes, type of pipe and valves, this depends on the site, could be schedule 80 pvc, could be steel, could be copper.

learn the local coffee shop, and how to take orders. xl black coffee creams and sugars on the side is a safe bet.


remember that safety can be your largest priority, some sites you can be fired for not wearing gloves, a hard hard, or safety glasses (even just walking out of the job shack) make sure you know the rules of the site and each site will be different. This will be a large change from residential.

pad of paper and pen at all times. home depot and few places have side holsters for tape measures / pens, best thing ever. small pocket flashlight if working indoors the lights can go off randomly or rooms can be unlit.


depending on the type of construction, industrial ammonia can be a lot of watching a welder work (fire watch) and helping them setup. learn everything you can and make there job easy.

ive worked on construction of industrial ammonia cold storage buildings, and ice arenas, as an apprentice.

Depending on the area you work in, watch out for job tool boxes. leave minimal tools on site overnight unless work provided. those things love to walk off.

Congrats on the new job, let me know if you have any questions.

book on refrigeration, if you want to brush up on theory it covers everything.
https://www.amazon.com/Modern-Refrigeration-Conditioning-Andrew-Althouse/dp/1619601990