Rooftops Level 2: Variable Air Volume Units

Large rooftop units are a fast-growing segment of the rooftop industry. A large VAV (variable air volume) rooftop unit with VAV terminals can be used in the place of multiple smaller constant volume units as a way of providing multiple zones of temperature control. With fewer rooftop units, duct systems, power supplies, and roof penetrations, cost savings are realized. The VAV rooftop unit can be incorporated with a variety of VAV terminals to form a complete system. Large VAV rooftop units are also being used in some applications traditionally reserved for applied equipment, such as central station air handlers and chiller systems. The rooftop variable air volume system offers a competitive first cost, competitive operating cost, ease of service, good indoor air quality capabilities, and good part-load humidity control. The ability to deliver these benefits has led to increased use of variable air volume systems using large tonnage rooftop units.

Catalog Form Media Type Media Description Cost
06-796-057 TDP 632 Book 72 pages, full color $18.00
06-797-057 TDP632 PP CD Microsoft® PowerPoint® $100.00

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Mail: Carrier University
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