Energy Efficiency Savings

Liberty uses Energy Star Portfolio Manager to benchmark its office and industrial buildings. Comparing Energy Star scores before and after the project, as demonstrated in the chart below, provides a clear snapshot of the efficiency gains stemming from the project on a whole building level.

Pre/Post Retrofit Average Energy Star Score

Working with the EEB Hub in The Navy Yard, Liberty Property Trust dedicated considerable time and resources to determine the savings derived from specific energy conservation measures. After all, the purpose of the project was to help building owners throughout the nation make cost-effective investments when pursuing smart building technology.

The charts below show the overal contribution to savings provided by specific energy conservations measures. In both projects, the greatest contribution to savings stems from the HVAC measures - supply air temperature reset and duct static pressure reset. Liberty plans to continue this evaluation at the rest of the project buildings and will offer periodic updates on savings.

2 West Liberty

335 Commerce Drive

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