APR Control Case Studies

A restaurant's oversized 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

School district retrofits unit ventilators with APR Controls. Previously, lowering fan speed to mitigate noise complaints led to multiple problems including significant water damage as a result of frozen (seasonal) hot water heating coils. 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

Indianapolis motor speedway manufacturer deploys Rawal APR to modulate system capacity and introduce a percentage of fresh air, helping to lower labor costs and maintenance, save energy, and improve quality assurance. Read More

Project Objectives Improve Facilities Energy Efficiency & Climate Control while Reducing Noise Pollution While the station’s ownership intended to install a state-of-the-art chilled water system, budget considerations led to lower first-cost installation of a single-zone VAV (Variable Air Volume) system, with the goal of higher energy efficiency and meeting strict noise… Read More