Here is the 10 top list of hvacr techs you should follow.
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1) 945hvacoutlaw: https://www.instagram.com/945hvacoutlaw/?hl=en
2) Hvacreferguy: https://www.instagram.com/hvac_refer_guy/?hl=en
3) Hvacknowitall: https://www.instagram.com/hvacknowitall/?hl=en
4) Rookierefrigeration: https://www.instagram.com/hvacknowitall/?hl=en
5) Fridgeguru2: https://www.instagram.com/fridgeguru2/?hl=en
6) Hvacrefertech: https://www.instagram.com/hvac_refer_tech/?hl=en
7) Hvacvlogger: https://www.instagram.com/hvac_r_vlogger/?hl=en
8) Christhefridge: https://www.instagram.com/chris_the_fridgee/?hl=en
9) Csc: https://www.instagram.com/csc_refrigeration_and_hvac/?hl=en
10) Northeastcooling: https://www.instagram.com/northeastcooling/?hl=en
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