Why Does Evaporator Freezing Happen and How to Fix It with the APR Control

Learn about why evaporator freezing and liquid slugging occur, and why you need the APR Control to prevent these issues from occurring! Rawal Devices’ Senior Technical Engineer, Jason Santos, helps you understand the common contributing factors of evaporator freezing and liquid floodback, leading to compressor failure.

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The Rawal APR Control is a variable capacity enhancement to DX HVAC systems.

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Loved by contractors, service technicians, and customers

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Rawal APR Control keeps tenants comfortable and productive

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Give your customers a solution for variable capacity HVAC enhancement

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Protect your designs from the things you can’t control