Rawal Devices Blog Posts

Our combination of technology, expertise and customer service ensures proper temperature and humidity control for greater comfort, indoor air quality and energy efficient performance, while providing an excellent return on your investment!

Adjust the APR Control to Optimize DX Performance

Adjusting the APR Control Are there any adjustments that need to be made after installing the APR Control? The Rawal Devices APR Control has been known around the HVAC industry as a “set it and forget it” solution. For most standard DX comfort cooling applications, the APR typically does not… Read More

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Maintaining Temperature and Humidity Levels with the APR Control in Controlled Environments

In any controlled environment avoid equipment off-cycles so you don’t “lose the room!” Maintaining tight temperature and humidity levels in controlled environments such as cleanrooms is critical to prevent material damage, production loss, and shutdowns. Installing the Rawal Devices’ APR Control can be the perfect, cost-effective solution to avoid any interruptions in production as a result of the failure to maintain quality. Read More

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Meeting Cannabis Grow Room HVAC Challenges

Mechanical HVAC systems can be the greatest limiting factor or the greatest opportunity to maximize productivity and profits in the indoor Cannabis Cultivation Industry. Those involved in cannabis HVAC system design, service, and operations are realizing that undersized or oversized systems from inaccurate load calculations for a given room lead to major challenges. Read More

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The APR Control Reduces Need for Hot Gas Reheat by 80%

Have you recently had issues with extensive lead times on hot gas reheat (HGRH) units to the point where it will delay your project? If your answer is yes, we can assure you that you’re not alone! We have a solution for you; the readily available APR Control is considered an excellent solution to Hot Gas Reheat that won’t extend the project timeline. Read More

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The APR Control is Better Than Hot Gas Bypass!

The APR Control provides continuous capacity modulation on direct expansion air conditioning and refrigeration systems. Contractors, Distributors, and Engineers referred to the APR Control as hot gas bypass because it was the easiest way to remember and explain application use. However, the APR Control is NOT hot gas bypass! Read More

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