Therefore, a 3-ton residential cooling HVAC system should have 1,200 cfm of air across its evaporator coil. A 5-ton system should have have 2,000 cfm, a 6-ton system should have 2,400 cfm, and so on ...

Ideal for those preparing for the NATE Air Distribution exam, this manual includes: gas furnaces; oil furnaces; air conditioning and heat pumps; controls; duct systems; duct fabrication and ...