Before any technical error during installation which you could "get" without you know, you lose your warranty because of the fact that you did not install with a company authorized by the manufacturer. To not get this situation, ask the seller of cheap air conditioning advice to ask a company specialized in such installations. If you have these issues clarified, the next step is to choose a competent cooling system and to hold enough power to meet requirements will be the place where isntalat. The correct sizing to your air conditioner cheaper power will be given the contact with solar radiation room where the walls are going to be installed, the number of people attending that room and the way windows are provided with a video camera system importriva shading solar radiation.Refresh your home at an affordable price tagRefresh your home at an affordable price tagRefresh your home at an affordable price