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A case study of the overview, process, and results of the re-tuning that was conducted in a building in Arlington, Virginia by Vornado Realty Trust in October 2012. Re-tuning provided the facilities management team with the ability to identify and understand building scheduling opportunities that drove significant, low-cost energy savings. Five measures were conducted, many of which pertained to the HVAC system.

Understand the purpose of re-tuning, definition of small and medium-sized building re-tuning, and what to expect from the re-tuning training class.

This is chapter 1 of 3. The full training can be found at http://buildingretuning.pnnl.gov/small_bldg_training.stm

Understand how to identify and implement re-tuning measures

This is chapter 3 of 3. The full training can be found at http://buildingretuning.pnnl.gov/small_bldg_training.stm

This paper illustrates the challenges of integrating rigorous daylight and electric lighting simulation data with whole-building energy models, and defends the need for such integration in order to achieve aggressive energy savings in building designs. Through a case study example, we examine the ways daylighting – and daylighting simulation – drove the design of a large net-zero energy project.