Printable CFM Duct Chart Worksheet
This worksheet is for HVAC contractors, installers, and homeowners planning duct runs room by room. It includes columns for Room, Heating/cooling load, CFM, Duct size, Register, and Notes on one letter landscape page.

Free printable · PDF
- 1 page
- US Letter, landscape — choose “Fit to page” for A4
- PDF, 62 KB
Free for personal, family and classroom use.
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Use it to record airflow needs for each room, compare duct sizes, and note register locations or adjustments. Fill in the load and CFM first, then match duct size and register details as you plan or review the system.
Good for
- Plan room-by-room duct sizes
- Track CFM for each space
- Record register and note details
Tip: Print in landscape and keep a copy with your duct sizing notes.
4 files · PDF, XLSX, DOCX
Get every sheet: Duct Sizing Reference Pack
This sheet plus 3 more in one download, with the editable Excel and Word files. Printable round duct CFM chart at five friction rates, rectangular equivalents table, an Excel duct sizing calculator and a room-by-room airflow worksheet.
$3.00 USD, one-time 4 files · about $0.75 each
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