Industry Classics

Air Duct Calculators

HVAC - Air Duct Calculators - function

Used by trainers, educators and technicians to get the following information:
- Friction
- Velocity
- Round Duct Size
- Rectangular Duct Size

Align the correct air quantity (CFM) with the friction loss to calculate velocity, round duct diameter and rectangular duct diameter.


PRODUCT DETAILS

AIR DUCT SLIDE RULE CALCULATOR
Size: 4"x9.25"
Material: Heavyweight coated calculator board
Production: Each order is custom manufactured with your company information and in your choice of colors.

AIR DUCT WIZARD DUCTULATORS
Size: 8.5"x11" card with a 7.25" wheel
Materials: Heavyweight coated calculator board
Production: Custom produced with your company information and in your colors.

DUCT DESIGN CALCULATOR WHEEL
Size: 5"x7.5" card with a 5" dial
Material: Heavyweight coated calculator board
Production: Custom produced with your company information and in your colors.


Custom Options

We have produced many different HVAC calculators.

  • Refrigeration Calculators
  • High Velocity Air Duct Slide Rule Calculators
  • Subcooling / Superheat Calculators
  • Relative Humidity Calculators
  • Air Conditioning Selectors
  • Rooftop Unit Selectors
  • Curb Adapter Selectors

Tell us what you need. We can help with ideas, cost estimates and samples.