HTC's new iAD vacuums include the 5 iAD, 10 iAD and 15 iAD vacuum systems. The 5 iAD has a 4-hp motor and weighs 374 lbs. The 10 iAD has an 8-hp motor and weighs 726 lbs. The 15 iAD has a 12-hp motor and weighs 1,034 lbs.