Tuesday, July 22, 2014
 
   
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Over 16 Low-Income Weatherization Programs are Using RED

What's New. . .

Canadian Weather Data added for 66 locations

  • This new Canadian weather data is now available for the Advanced Infiltration (AIM-2) tool and the Weather Station Data tools.

What's Been Updated. . .

Pitot Tube Airflow tool

  • The second input for this tool, "Pitot tube correction (K) factor" has been renamed and the allowed ranges have been extended. As a result, the tool will accommodate averaging flow sensor pitot tubes requiring a K factor value for calculation of an accurate flow.
  • The User Guide has been updated to incorporate the change mentioned above and also now includes more thorough guidance.


Who Uses RED Calc Free Tools?

  • Home performance analysts
  • DOE weatherization energy auditors and quality-control inspectors
  • Energy auditors
  • HERS raters
  • Design professionals
  • HVAC analysts and installers
  • Building inspectors
  • Architects
  • Engineers
  • Building science researchers

First-Time Users, Start Here. . .

1. Watch this video tutorial at the RED YouTube Channel;

2. Read the Getting Started help document;

3. Use the RED Calc Free menu on the left to try any of the tools;

4. Click the "i" in the blue circle to the right of any tool name in the menu at the left for more information;

5. Click/touch any tool input or result label to see popup help when you need it; and

6. The advanced features of RED Calc FreeTM  will run on the latest versions of all common web browsers.

Screenshot of Weather Station Data tool

Weather Station Data tool screenshot

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