Product Information: H-P Central Vacuum Systems offer you the ultimate in cleaning power, indoor air quality benefits and convenience. Manufacturer's Website Certifications: 2015 NGBS Practice # Practice Points Available Additional Conditions of Use to Earn Points 902.5 Central vacuum system is installed and vented to the outside. 3 This central vacuum system must be vented to the outside. Manufacturer's Comments: H-P Products central vacuum systems remove 100% of vacuumed dirt and dust from the home. Each system offers up to five times the power of a portable vacuum system without the recirculation of dust, odors and bacteria into the home. 2020 NGBS Practice # Practice Points Available Additional Conditions of Use to Earn Points 902.5 A central vacuum system is installed and vented to the outside. 3 points available. 3 This central vacuum system must be vented to the outside. Manufacturer's Comments: H-P Products central vacuum systems remove 100% of vacuumed dirt and dust from the home. Each system offers up to five times the power of a portable vacuum system without the recirculation of dust, odors and bacteria into the home.