Mar 4, 2017 - So, what is the biggest difference between the CAV vs VAV HVAC Systems? Savings. With the VAV system, you can save up to 30% on utility costs. ... <看更多>
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Mar 4, 2017 - So, what is the biggest difference between the CAV vs VAV HVAC Systems? Savings. With the VAV system, you can save up to 30% on utility costs. ... <看更多>