Tuesday, July 07, 2015
 
   

Free Building Science Calculation Tools for Energy Professionals


What's New with RED

Custom Web Application for AirCycler

We are happy to announce the launch of the AirCycler
Annual Ventilation Cost Calculator! This innovative app, designed by AirCycler and RED and build by RED, allows the user to determine the annual cost of operating an ASHRAE 62.2-compliant ventilation system with four different AirCycler controls. The Cost Calculator is for homeowners, but also serves contractors by allowing for detailed inputs. Features include:
  • AirCycler controls are selected from a drop-down menu of four choices.
  • Weather data and fuel prices are keyed to the entered zip code, however, custom fuel prices may be used. State fuel prices are updated monthly.
  • Only three other values are required; living space area, number of bedrooms, and number of stories.
  • An annual cost range is calculated, with older, leakier homes at the low end of the range, and newer, tighter homes at the high end of the cost range.
  • Contractors or homeowners can customize the cost range for a particular home by selecting the detailed inputs and entering the required values.

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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