Return Duct Size For 2, 2.5, 3, 3.5, 4 And 5 Ton Units
What size return ducts do I need? Adequately sizing return ducts is (fairly) easy. We usually need to figure out CFMs based on HVAC tonnage, and select the right round or rectangular duct size. We will show you exactly how to determine the return duct size. Further on, you will also find a very helpful … Read more