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Constant Air Volume
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Constant Air Volume System or CAV System is an all-air type HVAC system that uses constant air volume while the temperature of the supplied air is varied to achieve the desired heating or cooling. We discussed the single duct single-zone system, single duct multizone system with reheat coiled, and dual duct system. In CAV System Air handling unit fans are running at a constant speed resulting in a lot of energy consumption for supplying the air. In the Multizone reheat system, a lot of energy is consumed in heating the already cold air, so the CAV system is not energy efficient. That's CAV system is strictly restricted by many energy codes.
- Course related:
- BSE3225 HVACR I and BSE3226 HVACR II
- Subjects:
- Building Services Engineering
- Keywords:
- Air conditioning Ventilation
- Resource Type:
- Video