Tools You Need for Building Science
RED Calc Pro is Ready for You.
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Do Your Work Like a Pro!
RED Calc Free
RED Calc Pro
Who Uses RED Tools?
Wx Assistance (WAP)
- Energy auditors
- Inspectors
- QC inspectors
- Monitors
- Crew leaders
- Subcontractors
- Trainers
Home Performance
- Contractors
- Energy auditors
- Ventilation designers
- Inspectors
- QC inspectors
- Program designers
Utilities
- Energy auditors
- Inspectors
- QC inspectors
- Subcontractors
- Trainers
Code Enforcement, etc.
- CEOs
- Home builders
- Research analysts
- Engineers
- Building science instructors
- Homeowners
RED Calc Free Tools
Moisture
RED Calc Pro
Features
- Mobile friendly
- Works on major browsers
- Tools based on consensus codes and standards
- Autosave to RED Cloud
- Fully functional offline mode
- Advanced error reporting
- Auto-repair characteristics
- Customizable reports (PDF)
- Locking for data protection
- Custom tool and folder templates
- Math-on-the-fly calculator for inputs
- Collapsing/expanding tool sections
- Popup help (click any label)
- Step-control for input values
- Notes feature for folders and tools
- Choice of U.S and metric units
- Markdown-enabled report forms
- Detailed results info
- Multi-tab/window syncing
- Available by monthly or annual subscription, individuals or teams
RED Launches ASHRAE 62.2-2019 Pro Tool
RED has launched the new RED Calc Pro tool ASHRAE 62.2-2019. The tool is based on the just-released ASHRAE 62.2-2019 Standard.
RED Calc Free and Pro Tools Available
All of the RED Calc Free tools are now available on our new website! In less than one week, we will close down our “old” website.
RED Calc Pro & Free Comparison
Now that both RED Calc Free and RED Calc Pro are available, a comparison of the two is important.
Air Leakage Metrics, A Rising Star
As new and existing buildings become tighter as a result of our attempts to save energy and slow global climate change, the ability to measure building tightness and convert the tightness to a useful metric becomes more important.
Effective Zone Pressure Diagnostics
Zone Pressure Diagnostics (ZPD) can be a useful and effective tool for determining the effectiveness of a designated pressure barrier. What can you do to increase the accuracy – or reduce uncertainty – of your results? Following these simple rules will help you hit your target.
Double-Duty Exhaust Fans: Good or Bad?
The installation of double-duty exhaust fans in existing dwellings is common. This practice can save money and time on the job and provides a simpler ventilation solution for the occupants. But is it a good idea?