SuperCool Slide Rule Duct Calculator Flex Metal Ductulator Chart

Product Code
Price $19.95 $17.95


This NEW & Improved amazing tool performs every function needed by the HVAC professional.

Including both SuperHeat and SubCooling of R410a and R22; a Duct Calculator that calculates CFM, Pressure Drop and Sizing for - Rectangular Metal, Round Metal, AND Round Vinyl Flex. 

It's the only slide rule on the market that has conversion for Smooth Metal to Insulation Lined Metal. 

It also contains:

  • Testing for Correct System Airflow for A/C & Heating for both electric and gas
  • Pressure Drop Chart
  • Wet Bulb Conversion Chart
  • Troubleshooting Compressors
  • Troubleshooting TXV's (TEV's)
  • System Operating Diagnostics
  • Capacitors - Laws & Practices
  • OHM's Law Wheel
  • and every Formula & Conversion needed

Customer Service

We're Here To Help

Call us anytime during our customer service hours...

Monday through Friday - 8:30 am to 4:30 pm (Pacific)
Saturday - 10am to 4pm (Pacific)

Order Questions:

TOLL FREE, 800-273-7375 (Outside the U.S. call 818-887-7828).

Our Address:

8001 Canoga Avenue
Canoga Park, CA 91304 US
Phone: 800-275-2665
Fax Your Order
Print Our Fax Order Form