Flexible Duct Sizing Guide
The sizing application.
Flexible duct sizing guide. Design cfm 4 cfm 6 cfm 8 cfm 10 cfm 12 60 6x4 60 4x6 90 4x8 120 4x10 150 4x12 90 8x4 110 6x6 160 6x8 215 6x10 270 6x12 120 10x4 160 8x6 230 8x8 310 8x10 400 8x12. Sizing guide type b gas vent for category 1 appliances all fuel chimney for oil fired appliances open face fireplaces. A duct system often begins at an air handler. The blowers in the air handler can create substantial vibration and the large area of the duct system would transmit.
Use our sizing guide to get the right size air conditioner for your home. Use our online quoting system to get an accurate sized by experts. Specification guide french installation instructions model interior 4 36 installation instructions model exterior 4 36. Using tables from the national fuel gas code or our sizing application guide determine the diameter of venting required.