Why should I buy a zoning system? A zoning system enables you to parcel your home and heat or cool each area differently. While these systems function well for houses that have parts that are infrequently visited, they can also be great in situations where you and your family disagree on the temperature in various areas of your home. There are a variety of additional benefits of zoning systems, including efficiency and comfort. Browse our selection of zoning systems or give O'Brien Heating & Air Conditioning a ring to see how a zoning system could work for your home.