Structural Evaluation Checklist
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Commercial Rooftop Unit (RTU) Basics
The RTU is the most widely used commercial heating and the cooling unit found in the U.S. The rooftop unit is sometimes called a package unit, as all its components…
Central Plant Systems and Chilled Water Systems
Central plant systems typically consist of components to provide chilled water for cooling, and use a boiler for heating water. Boilers typically operate at 17º F to 200º F, although…