Ductulator
BETA

# Duct Calc
Duct sizing based on ACCA, Manual-D.
Keywords: duct, hvac, duct-design, duct design, manual-d, manual d, design

Pro
Open source residential duct design program

Manual-D™ speed sheet, but on the web!

Manual-D™ is a trademark of Air Conditioning Contractors of America (ACCA). This site is not designed by or affiliated with ACCA.

Features

- Built by humans
- Fully open source.
- Great replacement for speed sheet users.
- Great for classrooms.
- Store your projects in one place.
- Export final project to pdf.
- Import room loads via CSV file.
- Web based.
- Self host (run on your own infrastructure).

Coming Soon

- API integration.
- Command line interface.
- Fitting selection tool.
- Room load import from PDF.