High Performing Buildings - Spring 2009 - (Page 32) ovErall cost s E q U E n c E s o f o p E r at i o n s r E t r o c o M M i s s i o n i n g Metric Annual Cost Implementation Cost Rebates Annual Savings Energy Savings Simple Payback Economizers — $ 360 — $ 3,980 — 1 Month Heating — of coMMissioning Metric Annual Cost Implementation Cost Rebates Annual Savings Energy Savings Simple Payback retrocommissioning — $ 44,418 $ 13,247 Est. $ 31,000 — 1 Year Morning Warm-Up — $ 1,440 — $ 360 — $ 6,109 — $ 2,801 — 0 Months 2 Months To implement sustainable choices, VSP selected a new vendor for its café, which serves about 600 people a day. Now the café uses locally grown and pesticide-free produce. 32 HIgH PERfoRMIng BuIldIngS Spring 2009
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