The fast lane to energy efficiency


Posted by:
Bob Best
Investor Services Lead
United States
Energy and Sustainability Services

Is retro-commissioning an existing building an effective energy reduction strategy?

To quote the most recent study on commissioning from the Lawrence Berkeley National Laboratory (LBNL):

 “The results demonstrate that commissioning is arguably the single-most cost-effective strategy for reducing energy, cost and greenhouse-gas emissions in the buildings today.”


While median commissioning costs for existing buildings are $.30/s.f.; median annual energy savings achieved are 16% and the median payback period is 1.1 years.

LBNL used data from 643 buildings, representing 99 million s.f. of space to develop the report.

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