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Tools and Resources

  1. Overview
  2. Equivalent Duct Calculator
  3. Flexible Duct Friction Loss Calculator
  4. Sheet Metal Duct Friction Loss Calculator
  5. GRD Selector - Cross Reference
  6. GRD Selector - Airflow Performance
  7. Training
  8. Secure Customer Portal


Thank you for checking out our Tools & Training page. On this page you'll find a variety of different tools and calculators that will assist with your Hart & Cooley products. 

Click the tabs for more information on the areas you need assistance with. Don't hesitate to get in touch with our customer support if you have any issues or need additional support. Lastly, our training information and videos are located in the last tab.

Equivalent Duct Calculator

I want to calculate:

Friction Loss Calculator: Flexible Duct

I want to calculate:

Friction Loss Calculator: Sheet Metal Duct

I want to calculate:

GRD Cross Reference

Part Number(s):

GRD Selector — Airflow Performance

Select by:
Registers Grilles Model #


Any other training documentation or guides can live here or link out to a separate area if there is enough content to warrant secondary pages.