


📐 Master airflow like a pro — don’t let duct compression slow you down!
The ADI Ductulator is a precision duct sizing calculator developed by the Air Distribution Institute, incorporating rigorous university research on flexible duct compression effects. It helps HVAC professionals and enthusiasts select the correct duct sizes to overcome pressure loss caused by typical installation challenges such as bends and sags, ensuring efficient air flow delivery. Featuring a dual-sided design with a calculator and fitting charts, it’s a trusted, compact tool for optimizing HVAC duct performance.
| ASIN | B0DYB3WHZ7 |
| Best Sellers Rank | #66,007 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #93 in HVAC Ducting |
| Color | White |
| Customer Reviews | 4.8 4.8 out of 5 stars (56) |
| Date First Available | February 24, 2025 |
| Included Components | Card |
| Item model number | ADI-CAL |
| Manufacturer | Air Distribution Institute |
| Product Dimensions | 11 x 8.5 x 0.1 inches |
J**O
Great tool for duct ordering
Exactly what you need in certain occasions
R**M
Installation
I'm in school for HVAC and you never know which direction you want to go on the field, so I recommend getting it
C**O
Todo atiempo
A**Y
Súper buena herramienta y fácil de utilizar y necesaria para el trabajo de ductos de aire acondicionados,
C**E
Best Value
This is the most complete Duct Size Calculator available, other than the ASHRAE version. It gives equivalent sizes for any combination of CFM, Velocity and Friction Loss in Round and Rectangular Sheet Metal Duct as well as Flexible Duct at three different compression installations. It is also the only Duct Size Calculator approved for use in the Texas State HVAC License Exam.
A**R
Is the easiest duct calculator to use to take a test look no further this is the best one
This is the best product if you wanna get ready to take a Hvac test
M**N
Great Duct Calculator
Best ductulator on the market!
Trustpilot
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