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Oklahoma State University


G.L.H.E. Pro logoGLHEPRO for Windows

The Professional Ground Loop Heat Exchanger Design Software
Version 3.0 and higher

Submitting this form will allow us to send you a registration code via e-mail. If you don't hear back with a registration code within one business day, try e-mailing  If you are re-registering your copy of GLHEPro, please include a brief explanation in the comments section (e.g. new computer, computer crashed, etc.).

Registration Codes