Resources

Installing the APR Control

Installing the APR Control is straight-forward and doesn’t take a lot of guesswork from the technician. It is common for HVAC technicians who are unfamiliar with the APR Control to be intimidated by the installation process. 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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Avoid Costly HVAC Callbacks

In HVAC Service, callbacks and warranty issues are an enormous problem and headache for HVACR contractors and service technicians. With the addition of the APR Control, you can eliminate callbacks on new equipment and improve performance of older/in-place equipment, saving you (and your customer) both time and money! Read More

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Why Does DX Air Conditioning Need Capacity Control?

Everyday contractors, engineers, and building owners across the country turn to the ease of DX air conditioning for a variety of reasons including: Low cost option Usually readily available Ease of installation and service Wide variety of options to accommodate space needs The challenge with DX systems is that they… Read More

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