Friday, October 24, 2014
 
   

Free Building Science Calculation Tools for Energy Professionals


What's Been Updated

ASHRAE 62.2-2013
  • A new solver feature at the bottom of the tool allows you to determine the building leakage rate at 50 pascals that corresponds to a chosen whole-building mechanical ventilation rate. Give it a try!

What's New with RED Tools

ASHRAE 62.2-2013 video tutorials

  • Watch the new video tutorials for the RED ASHRAE 62.2-2013 at the RED YouTube Channel. We have posted a short version and an extended version. Good stuff!

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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