How to Retrofit Americas

LEVEL 3

DEEP RETROFIT

LEVEL 2

• Replace the existing equipment with the most efficient option available to reduce energy use. The incremental costs for the high-performance option are typically compensated by the achieved cost savings. • The U.S. Department of Energy estimates that a typical office building can cut energy use up to 25% by implementing low- and no cost measures. LIGHT-TOUCH RETROFIT

LEVEL 1

LEVEL 3 • Implement an integrated whole-building approach, including the building envelope, lighting upgrades and a mechanical retrofit. • The Rocky Mountain Institute estimates that 25%-50% energy cost savings can be achieved with deep energy retrofits. • Buildings with Energy Star scores above 75 can expect savings on the lower end of the 25%-50% range, while buildings with Energy Star scores below 50 can expect savings closer to 50%.

• RCx results in meaningful savings with minimal risk and capital investment. • In a 2004 study, Lawrence Berkeley found that the median cost for RCx is 30 cents per square foot, which resulted in 16% median whole building energy savings, with a typical payback of 1-3 years. RETRO COMMISSIONING (RCx)

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