Thanks for your interest in the forum.

We currently have a spam war and have tried ever measure to combat it. After much expense, we have finally decided to ask for a donation to join the forum because that's the only 100% effective way to stop spammers.

Please note, that any customer, EVER, will be granted unlimited access to the courses. Please just let us know! Or please consider the donation. Alternatively, sign up through one of our amazon affiliates and let us know. 

If however, you are not interested in any of our trainings, please consider a $5 donation and you will get to: 

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Considering the cost of energy modeling support is at a minimum of $100/hour, we think that you will find it well worth the money and all proceeds go to fund development!

Thank you!