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!

Adding an APR Control to 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 offers APR Control Training in the form of free, live online webinars to educate you, your service, & sales team. We also will setup a webinar for your customers on the benefits of the APR Control. Fill out a form to sign-up for one of the variety of trainings we offer regularly, or feel free to contact our sales team! 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.