The Quick, Efficient Desktop Tool
For Finding Psychrometric Properties and Performing
Since it's initial release in
1995 PsyCalc® has become the industry standard
psychrometric calculation tool. Today's PsyCalc® is
packed with new features while still preserving the
intuitive interface that made it the favorite in many
The new PsyCalc® is your new
best old friend!
If you have never used previous
versions of PsyCalc® we highly recommend trying the free
demo version so you can see first hand just how easy it
is to use. This version will NOT overwrite previous
Download PsyCalc® 20th Anniversary
Edition and run it for 30 days for free.
View the on line help page for
more information and screenshots.
Click here to open the PsyCalc®
Here is a brief list of
Find 11 psychrometric properies by inputting two properties plus altitude or pressure.
Work in English (I-P) or metric (SI) units of measure (or both).
Find ASHRAE Climatic Design Data for over 6,443 locations worldwide.
Easily perform air stream mixing calculations.
Calculate process loads using several different methods.
Make comparisons between outside air loads based on ASHRAE Climatic Design Data.
Compare ventilation loads for multiple locations.
Use a powerful search tool to find data for or near any location.
Bin hourly weather data for over 4,100 locations worldwide.
Use statistical analysis tool to get a summary view of hourly data.
Set your own defaults including value types and output order.
Compatible with all versions of Windows.
IMPORTANT! PsyCalc® 20th Anniversary Edition has two licensing levels...
Full License - provides access to hourly weather data for binning and statistical analysis from nine regions around the world, totalling over 4,100.
Each region is a available in a separate install so you can download only what you want/need.
Base License - provides hourly weather data for a small number of sample locations from most regions but not the nine regions provided through the Full License.
The sample location data is included in the trial version so that users can try the binning and statistical tools.
upgrade to the Full License level is available.
We hope you will find the new
PsyCalc® to be a useful and time saving tool.