Why should I buy a zoning system? A zoning system enables you to parcel your residence and heat or air condition each area differently. While these systems function well for buildings that have parts that are seldom visited, they could also be great in situations where you and your family can’t agree on the temperature in various areas of your house. There are a variety of additional benefits of zoning systems, such as efficiency and comfort. View our selection of zoning systems or give Nisair Air Conditioning a call to see how a zoning system could benefit your home.