Designed for homes up to 9,000 ft.² 700 air watts of suction power quiet unit, producing virtually no noise when vacuuming if installed in a basement or garage Designed for homes up to 9,000 ft.² (836 m²), this power unit offers 700 air watts of suction power. Compact and efficient, the PP7001 is a quiet unit, producing virtually no noise when vacuuming if installed in a basement or garage. By combining suction power and high-performance filtration, Nutone central vacuums represent a healthy solution for the well-being of your family and may even help to reduce symptoms associated with allergies and respiratory problems.