Airvac Red Series Bagless Power Unit AVR12000 The Model AVR12000 Central Vacuum System is a bagless central power unit. The AVP12000 is a 120 Volt model with 570 peak air watt capacity and can be installed in homes up to 12,000 square feet. For installation flexibility, both the intake and exhaust ports can be connected from the left or right side. The AVP12000 is modular in design with nested components that simplifies handling, installation and service. A front-mounted utility port allows easy connection of a hose directly to the power unit for local cleaning.