Refrigerants

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Short on R-454B? Don’t risk mixing refrigerants — doing so could jeopardize safety, system performance, and your reputation.

The R-454B shortage has caught much of the HVAC industry off guard. Here's how contractors can make the best of a tough situation.

Always let the refrigeration system reach a steady state before making repairs or adjustments. Skipping this step can mess up measurements, leading to misdiagnoses and wasted time. 

Technology transitions can be scary, but refrigeration manufacturers have made it easier by offering evaporators that can work with either an A1 or an A2L refrigerant. 

Hasty policy decisions could threaten what has, up until now, been a successful refrigerant transition.

Mixing refrigerants in an R-454B system may seem harmless, but it can compromise system performance, void warranties, and create serious safety and reliability risks. 

Every pound of refrigerant lost through leakage isn’t just expensive — it may soon be irreplaceable.