cold room after defrosting

Why is hot gas defrost an effective way to defrost evaporators?

When we understand how hot gas defrosting works, we will understand that hot gas defrosting is the most energy efficient method. How is hot gas defrost work? The evaporator becomes a condenser. High-pressure hot gas from the compressor’s discharge side is carefully transferred into the evaporator during the hot gas defrosting, where it condenses back …

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