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--- cluster:178 [2019/08/26 15:29]
hmeij07 [New design]
+++ cluster:178 [2019/08/27 14:09]
hmeij07 [Summary Bullets]
@@ Line 31: / Line 31: @@
 ⦁	ROI of 7-8 years\\
+[[https://www.vertiv.com/en-us/support/tools-applications/free-cooling-economizer-calculator/|Vertiv Free Cooling Calculator]] 80 degree return air (conservative) with 70% load rates full free cooling hurs at 44% for Bridgeport and 48% for Hartford. So the expected 40% is low water mark as that percentage goes up if return ari gets hotter. At 85 degree it yields 53-56%.
 ===== Tech Summary =====

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