There are two main products:
- EnergyGauge Summit
- EnergyGauge USA
If you are performing analysis of residential buildings, choose EnergyGauge USA
If you are performing analysis of commercial buildings, choose EnergyGauge Summit
As for the specific License Version, there are full charts available on both the USA and Summit purchase pages explaining the difference of each license. If there are any questions on which license is needed, you can email us directly at firstname.lastname@example.org or submit a ticket by following this link.