How can we help you? Can you install a stair lift outside? 0 out of 1 found this helpful Yes, we have stair lift models available for outside use. Was this helpful? Yes (0) No (0) Category: General Related Questions Can I stand on the footrest instead of sitting on the seat? How long do the batteries last? Are stair lifts expensive? Can I take the arms off of the stair lift to make the seat wider?