A stairlift is a crucial household amenity if you have limited mobility for any reason — and technical issues that affect its performance can cause huge disruptions to your quality of life. Anything from slower movement and unusual noises to occasional breakdowns may all indicate that your stairlift is due to be repaired. But that’s not always the case: you may need to replace it with a brand new stairlift instead. How do you know when to repair and when to replace your old s