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BMS Controls Glossary

Packaged Rooftop Units

What is the definition of a packaged rooftop unit? A packaged rooftop unit is a complete package that combines an air conditioner, furnace, and evaporator coil into one self-contained unit, usually mounted on the roof of a building. It is the most economical way to cool and heat a structure. Packaged rooftop units are popular in commercial and industrial applications, since they are easy to install and maintain. They also come in a variety of sizes, so it’s easy to find one that fits a particular application. Packaged rooftop units provide superior energy efficiency since they can be tightly sealed and insulated, and they don’t require a separate duct system. They are also energy efficient because they don’t require as much air circulation as central air systems. The packaged rooftop unit is composed of a compressor, condenser, evaporator, fan, and other parts. The compressor compresses the refrigerant, which is then sent to the condenser. The condenser releases the heat and