Retrofit Now, Save for Years!

APR Control® valves for School HVAC Upgrades

Pennsylvania schools are choosing APR Control® valves to Improve Comfort, Cut Costs, & Extend System Life.

Every classroom deserves reliable comfort — but aging HVAC systems, rising energy costs, and tight school budgets make that harder every year. That’s why school districts across Illinois — from Annawam School District to Northwestern University — are turning to the APR Control® capacity modulation device. It’s a proven retrofit solution that improves comfort, reduces humidity, cuts energy use, and prevents costly service call-backs. No full system replacement. No classroom disruptions. Just smarter HVAC performance.

Download our quick, one-page guide to see how the APR Control is helping schools like yours stay cool, stay compliant, and stay on budget.

APR Control® Valve Key Benefits:

✅ Improves comfort & dehumidification in classrooms and large spaces
✅ Retrofit-ready: Extend the life of your existing HVAC systems
✅ Eliminates service call-backs and frequent downtime
✅ Reduces energy consumption, even in varying Illinois climates
✅ Helps meet IAQ & ventilation standards
✅ Proven results in schools, gyms, and portables across Illinois schools

Ideal For:

K-12 Schools Classrooms
University Lecture Halls
Mixed-Use Learning Spaces
Gymnasiums & Auditoriums
Portable Classrooms
and more…

Trusted By Illinois Schools & Universities:

Annawam School District

Winfield Public School District

Northwestern University

Lewis University

McHenry School District 15

North Central College

University of Chicago

Depaul University

University of Illinois

Saskatoon Public Schools: Cost-Effective HVAC Upgrade

The school district needed to improve HVAC systems across the district, but had to remain within budget. Hesitant about the complexity & cost of variable speed systems - they chose the APR Control® valve to provide signifacant cost savings!

Read the Full Case Study

Massachusetts Institute of Technology: Mixed-Use Space Relief

In a mixed-use space at MIT, oversized RTUs caused short cycling, discomfort, and multiple compressor failures. In need of an immediate solution, they installed the APR Control® valve to eliminate compressor burnout and improved dehumidification.

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Harvard University: Stabilizing Humidity in Laser Labs

Unstable room conditions in sensitive lab environments lead to Harvard's need for a cost-effective alternative to full HVAC unit replacement. Installing APR Control® valves resulted in reliable temperature and humidity control, and extended equipment life.

Read the Full Case Study

Let us Help You!

Whether you’re managing a single school, university campus or an entire district, Rawal Devices’ experienced in house technical & sales team is here to help. Give us a call or email to discover why APR Control® capacity modulation device is the preferred retrofit HVAC solution across Illinois schools.