APR Control for Ventilation & Fresh Air

Ventilation & Fresh Air The introduction of outside air with highly variable load creates the need for variable-capacity systems. APR Control enables the system to match capacity with changing load conditions. Local and national building codes require ventilation rate minimums to address potential health issues. Coronavirus (in 2020) just being… Read More

Read More

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