I have a 90.1 App G. interpretation question. G3.1.2.6 requires economizers in certain climates. The only exceptions are for gas-phase air cleaning and supermarket open refrigerated cases. I have a project in climate zone 5A (Boulder) with a server room. The server room has a 50% +/- 10% relative humidity requirement. I have not designed an economizer in the space because of this humidity requirement. 90.1 is requiring an economizer in this space. I have four options: A. Put economizer with the humidity requirement into the baseline. This causes the energy use to go way up due to the humidifier. I feel like I am unfairly manufacturing savings in this scenario. B. Remove the humidity requirement from the space in both the proposed and the baseline, and only economize in the baseline. I feel like I'm being unfairly punished in the proposed model in this scenario. C. Remove the humidity requirement from the space in both models, and economize in both models. This is modeling economizing in the proposed that doesn't exist, but I feel like this is just removing any savings or punishments from the model. D. Keep the humidity requirements in both models, and have no economizer in both models. This seems the most practical. Once again it removes any unfair savings or punishment from the analysis. However, this goes directly against what 90.1 App G says in G3.1.2.6. Any ideas? Thanks.
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