Professional CalPuff



This product comes with a one year subscription to unlimited downloads and updates. Within that year, we offer discounted renewal rates at $825 for a single user and $1,440 for a multi user license. If your subscription expires without renewal, you’ll have to repurchase the product at its full retail price. Don’t worry, though, we’ll remind you when your subscription is drawing to a close.

One year after the initial purchase, an annual maintenance fee is required to receive continued support. A Single User license allows for the installation of this program on one computer. A Multi User license allows for unlimited installations of this program on computers at a single address.


When you are tasked to put together a Class I area or other long-range transport dispersion modeling.

Additional information


Multi User License, Multi User License – Annual Maintenance Fee, Single User License, Single User License – Annual Maintenance Fee, Upgrade License to Multi-User


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