Tools You Need for Building Science
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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

Two New Tools for RED Calc Pro
RED launched two new RED Calc Pro tools — Pitot Tube Airflow and Units Calculator. Check out the tool guides: Pitot Tool Guide and Units

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.

Better Sleep Leads to Sweeter Building Science Dreams
Sleep is vital to our health, including our immunity from disease, heart function, and even reproductive vitality. A bad night’s sleep might contribute to poor performance at work and a sour emotional state the next day. It is difficult to assign a cost to a bad night’s rest, but I think most of us agree that it’s a cost we would rather avoid.

The Great Ramp Up of Weatherization
The last 15 months have caused many of us to wonder if we will experience business-as-usual ever again. We have been restricted or prevented from visiting customers’ homes. When it has been permissible to visit a home to conduct an energy audit, complete a . . .

ASHRAE 62.2 Alternative Compliance Path
62.2 Compliance Paths1 ASHRAE 62.2 has two compliance paths for sizing dwelling-unit ventilation. Normal compliance may be used for new or existing dwellings, whereas alternative compliance may be used