There is need also for the individual to consider enquiring the jobs previously done by the supplier before contracting them. By taking suggestion from a friend or a neighbour has several advantages. The first reason for considering recommendation from friends is because the individual can calmly at their own time examine the work previously done by the window supplier. It is important to note that recommendation from a trusted friend or colleague is important since you are capable of ensuring the best window supplier is obtained. It is important to note that there is high motivation if the window supplier realizes that you been recommending by their previous customer and this is important in ensuring that they deliver a quality job that is able of attracting even more clients for their services. It is important to note that by getting recommendation from a friend or a relative it is still essential for the individual to check all the specifications and modifications of the window..