why don't you take professional advice. There are different types of plumbers that are found in the plumbing trade including service and repair, commercial and residential plumbers. Residential plumbers, mainly install plumbing systems in new constructions and also provide additions for residential houses. Service and repair plumbers focus on resolving any plumbing problem that arises in the home. They have to identify the cause of the problem and then find a way to resolve the problem in the most effective way.