Bryan streams an in-depth presentation on 5 Install Mistakes that Kill Systems. A must watch for everyone who cares about the safety of air conditioning systems and wants to avoid making HVAC install mistakes.
Check out Bert's video on Flowing Nitrogen:
• How to Flow Nitrogen W...
Read all the tech tips, take the quizzes
and find our handy calculators at www.hvacrschool.com/
26 мар 2020