The Compact One Person Lifts are great for the Electrician, HVAC and Maintenance professional that needs to get some production done where a ladder would just take way to long. These 500lbs capacity units with zero emissions make quick and safe work in almost every interior project. At about 2,150lbs they can move between floors on elevators and give you touch height up to 21' on the 16' model and 30' on the 25' models.