Frequently Asked Questions (FAQ)
A professional stair lift installation usually takes 2–4 hours for straight staircases, while curved models may take a full day due to custom rail alignment. For a step-by-step breakdown, read our Stair Lift Installation Guide .
Standard stair lifts typically support between 300 and 400 pounds. For users requiring more capacity, ACG Medical Supply provides heavy-duty or bariatric models that can safely support up to 500 or 600 pounds.
Straight lifts usually cost $3,000–6,000 installed, curved lifts often cost $8,000–15,000 or more, depending on layout, options, and local labor.
If your stairs are one straight run, a straight stair lift fits. If you have a landing, bend, or multiple levels, you’ll need a curved stair lift or multiple straight lifts with a landing, depending on the layout. To help you decide, you can read our detailed comparison of straight vs curved stair lifts
Stair lifts are designed with multiple safety sensors that stop the unit if an obstruction is detected. They also feature swivel seats and safety belts to ensure the user is securely positioned before and after the ride.