Return Duct. R15 R2 in both 3 zero and 4 zero types. Return Duct Air Leaks What They Mean When the air conditioning or heating system is in operation return ducts are under negative pressure since the blower in the air handler is drawing air in to the cooling or heating unit.
If the supply ducts are in the floor then the return air should be located up high. Return Duct Air Leaks What They Mean When the air conditioning or heating system is in operation return ducts are under negative pressure since the blower in the air handler is drawing air in to the cooling or heating unit. Radial system extended plenum system reducing plenum system reducing trunk system perimeter loop system.
Usually the return duct is short.
Starting with the creation of cool or warm air in the actual furnace air conditioner or heat pump. Call Vic Air Supplies on 1300 842 247 today. The general types of supply duct systems include. Return ductwork is carefully sized to match the capacity of the supply ductwork.