The size and age of your home, as well as the number of rooms, climate, local and regional utility costs, and utility incentive/rebate programs are all factors that will affect the functionality and, therefore, selection of your system. Amana dealers, utilizing the latest technology, consider all these factors while assisting you in choosing the best system for your home. Controlling the air temperature and humidity in your home are the basic functions of all central air conditioning systems. How Heat Pump Systems Work Used for either the heating or cooling of your home heat pump systems provide year-round, energy-efficient indoor comfort for moderate climates. Learn more about when and how they provide the best comfort solution. How ​Packaged Systems Work Packaged units are all-in-one systems that supply both cooling and heating equipment in one "package." Learn more about how they work and their benefits. The HVAC industry can be a maze of unfamiliar acronyms and industry terms.