The intense and in-depth three-day program shows students how to adopt proper techniques and practices for the real-world environment with completely updated material and more emphasis on the latest ...
The HVACR industry is currently undergoing another significant refrigerant transition. In contrast to the prior transition from nonflammable (A1) HCFCs like R-22 to also nonflammable HFCs, notably ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results