Preventative maintenance (PM) is performed to identify equipment issues to bring the customer’s attention to concerns, making certain that the system will work when they need it. It allows the technician to predict, identify and correct a variety of issues that would otherwise go unnoticed until it becomes an emergency. Read More
For 30 years the APR Control has benefited engineers who design and specify air conditioning systems and solutions by providing exceptional modulation and part load control. During that time, APR Controls have remained a budget friendly solution that can provide similar or greater turndown compared to current air conditioning technology, up to 80%! Read More
The heating, ventilation, and air conditioning (HVAC) industry is experiencing longer than usual lead times. Here’s what we know and how we can help. Read More
The Rawal APR Control is a variable capacity enhancement to DX HVAC systems.
Loved by contractors, service technicians, and customers
Rawal APR Control keeps tenants comfortable and productive
Give your customers a solution for variable capacity HVAC enhancement
Protect your designs from the things you can’t control