At Amber Air Conditioning Inc. we are dedicated to providing the best service, maintenance, repairs, replacements and installation of efficient air conditioning systems for your home or business in the Corona, Lake Elsinore, Menifee, Murrieta and Temecula areas of California. In order to know what kind of new high efficiency energy saving system would be best for your needs, it helps to know about the kinds of systems available. Here is a quick crash course in HVAC systems.