How can we help you? Is the stair lift noisy? 0 out of 1 found this helpful Stair lifts run off electricity so all are relatively quiet. Stair lifts with a rack and pinion or cable drive motor are a bit louder than the helical worm drive systems. Was this helpful? Yes (0) No (0) Category: General Related Questions How long do the batteries last? What happens in the case of a power outage? How does the stair lift attach to the stairs? Are stair lifts safe?