APR Control Case Studies

When Harvard’s sensitive laser labs struggled with unstable temperature and humidity conditions, Siemens and Rawal Devices collaborated to retrofit aging rooftop units with the APR Control. The result? Reliable temperature and humidity stability, extended equipment life, and a cost-effective alternative to full HVAC replacement — all aligning with adaptive reuse strategies in higher education facilities. Read More

Saskatoon Public Schools chose cost-effective APR Control over variable speed options for their school HVAC upgrade. Discover how this decision led to significant savings and improved performance. Learn more about the APR Control solution for schools! Read More

A restaurant's modular chiller was short cycling, leading to frequent lockouts. The APR Control kept the system running and the customers and staff happy! Read More

After many compressor replacements, Massachusetts Institute of Technology leverages Rawal Devices’ APR Control to enhance HVAC equipment's reliability and lifespan. The APR Control's compressor protection allows the university to save on its maintenance budget, both in actual dollars and in their technicians' time. Read More

Rapidly expanding pizza chain deploys Rawal APR across new locations in Texas, meeting tight timelines. Quick Serve Restaurant (QSR) kitchens require exhaust hoods over grills and ovens that pull ventilation air from dining areas. That’s why makeup air needs to incorporate capacity control. Read More

Discover how an entire district solves school HVC retrofit challenges with unit ventilators using Rawal's APR Controls for improved comfort, humidity control, and IAQ. Read More

Pennsylvania pharmaceutical specialty and medical device manufacturer uses Rawal APR Control to control humidity levels in cleanrooms and avoid bacterial growth and medical equipment damage. Read More

ASHRAE approved research project to test and demonstrate the use of new technologies in controlled environments. The Electronic APR Control was installed to provide precise discharge air control to maintain the tight temperature tolerances of the room. Read More

Cannabis ‘Grow’ facilities account for one of the fastest sectors of growth ever in HVAC! Having a properly designed HVAC system to control the exacting conditions of grow rooms is critical to increasing plant yield per week and potentially up to 1/3 more crop per harvest season. Read More