Buy Hvac — Ductwork

One ton of cooling typically requires 400 Cubic Feet per Minute (CFM) of airflow.

Decide if you need separate controls for different floors, which may require multiple air handlers. 2. The Materials: Choosing Your Duct Type buy hvac ductwork

Expect to pay $250 to $1,500 for local building permits to ensure code compliance. 4. The Procurement: Where to Buy How to Duct and Zone an HVAC System | This Old House One ton of cooling typically requires 400 Cubic