Depending where you live in the country, cooling can account for a significant portion of your home's energy bill. In some southern climates, it can easily account for half of the cost, particularly in homes having air conditioning.
The type of cooling system and the amount of energy it uses depends largely on local climate. However, the home's characteristics and the resident's personal needs play roles as well.
In this section, we will look at the basic principles of cooling, some ways to reduce the need for cooling, the major types of cooling systems, cooling system maintenance tips, and some easy ways to save energy and money on your cooling bills.