Rawal Technical Articles

For all technical documents and specifications; 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!

The APR Control & Heat Pumps

The APR Control Enhances Heat Pumps In the case of heat pumps, you have to prioritize capacity for either cooling or heating.  If you are prioritizing and sizing for the heating load, the result will often be excess cooling capacity. The APR Control will… Read More

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APR Control Training Resources

Rawal Devices proudly offers Free, Live, online webinars to educate you, your service & sales team, as well as your customers on the APR Control. Below are a variety of trainings we offer regularly. We can also provide completely customizable trainings, just feel free to contact… Read More

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APR Control Compared to Variable Speed Alternatives

APR Control vs. Digital Scroll & Other Variable Speed Technology Engineers, Technicians & Contractors are curious about how the APR Control compares to similar technologies that provide system compressor and capacity modulation. This page shows the similarities and differences of Digital Scroll Compressors, VRV or VRF Systems cost, performance,… Read More

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