Month: May 2014

12 Technical Rules of Thumb for Installing Zoning

1. In most cases, it will not be necessary to modify the duct sizing when installing a zoning system. 2. It is good practice to size the smallest zone to handle approximately 25% of the system CFM. 3. Never undersize ductwork. 4. Upsizing registers in the smallest zone to the next larger size should be […]