A stair lift ? also known as a chair lift, stairway elevator, stair ride or stair glide ? is a secure seat that moves up and down a staircase on a rail. When mobility problems make climbing stairs difficult or unsafe, INTERSTATE LIFT has the affordable solution to stay in your home and maintain your independence. Why select INTERSTATE LIFT? We're a family business with more than 40 years of experience installing and servicing most major brands of stairlifts in the Delaware Valley within a 100-mile radius of Philadelphia (PA, NJ, DE). No one knows more about stairlifts than INTERSTATE LIFT. We will work with you to achieve the best stairway solution at the best price so you can continue to climb your steps safely and live independently at home. INTERSTATE LIFT is proud to receive an A+ rating from the Better Business Bureau. We take pride in providing dependable products and service because your satisfaction is our best advertisement. We install Stannah and other fine brands of residential stair lifts for disabled accessibility. No special wiring required!