I live in a townhouse. First floor is hardwood. Second floor and loft has carpet that need to be replaced. There are two bedrooms and the loft is our office I would have preferred to install Pergo (easy to clean) however I was told you cannot install on stairs. I have 7stairs, a landing, and 7 more to loft. What type of carpet would be easy to maintain. We are getting older and can't be moving furniture around all the time. Is Berber a good carpet for a bedroom? No pets or young children