Duct Area Calculation excel sheet
Before you get into the calculation you have to consider two things in the drawing sheet
1) units of height and width of a duct
2) scale of the drawing
To calculate the rectangular duct area, we need a Duct Area Calculation excel sheet, height, width, and length, take 10% extra of the duct this will resolve the quantity assumption.
The Excel sheet above calculates the HVAC duct Area:
- Duct Surface Area