AirVac AVP24000 Platinum Series Central Vacuum
This unit is NLA. For a comparable unit, please look at the Electrolux PU3900 kits

Making use of 240 volts, the AVP24000 upstages all the other central vacuums in its family with its extraordinary power. With a 2-stage motor, the AirVac AVP24000 central vacuum has a suction pull of 124 CFM (cubic feet per minute) and 627 air watts of energy. Superb filtration removes all particles down to .1 microns from the air flow and the 5.2 gallon bag enables for infrequent emptying. The vacuum is built to handle any and all homes with up to 12,000 square feet of floor space.
Also includes:
For whole-house cleaning, theVM4200DS attachment package will be a companion most trustworthy. This high quality kit comes with everything needed to clean even the largest homes, including a motorized powerhead for carpets. The vacuum hose for this kit is available in 30 feet with either a pig tail cord or direct connect plug-in.