Energy Efficiency in Buildings

Engineering for Building Energy qualification Existing Buildings and new-fangled Construction Michael Andelman, P.E. Andelman and Lelek Engineering, Inc. Introduction ? ? Residential and commercialised buildings account for 40% of energy mathematical function in U.S.; 70% of electric use focus will be on commercial buildings Initiatives to trim down building energy use ? Existing Buildings ? ? ? ? ? Energy lead-in LEED EB ASHRAE 100 service incentive programs New Buildings ? ? ? ? ? Energy lede LEED NC Federal Programs EPACT State/ local Codes; Stretch Codes Corporate / institutional policies EXISTING BUILDINGS ENERGY closing USE WHERE IS THE ENERGY passing play? TOTAL ENERGY USAGE (SOURCE MMBtu) sack Fans 17% expanse Lights 22% Pumps & Aux.

10% high temperature Rejection 1% Space chill 8% Space Heating 14% Misc Equip 28%  first-class honours degree cadence - Benchmarking Energy brilliance Rating System ? ASHRAE Std 100 Energy Efficiency in Existing Buildings ? ? Uses CBECS 2003 Campus Benchmarking CBECS BENCHMARK Actual EUI (kBtu/sf-yr) Benchmark EUI (kBtu/sf-yr) 143 143 142 101 78 65 62 48 41 48 65 48 40 60 65 78 65 75 78 78  utility program data Analysis Annual Comparison ? periodic Patterns ? Daily Patterns ? Monthly utility program Use Law School- Steam 4,000 3, euchre MMBTU 3,000 2005 2006 2,500 2007 2,000 2008 2009 1,500 2010 1,000 2011 2012 500 0 Jan Feb Mar Apr May Jun Jul Month Aug Sep Oct ! Nov decline Daily Electric Use Screen shot from start Fuel Submeters End Use Allocation Submeters ? Predictors ? Energy impersonate ? Lights 15% Fans 68% Equipment 4% Cooling 1% Heat Rejection 2% Pumps & Aux. 10% How to Save Energy ? scummy price/ no cost Energy Conservation Measures (ECMs) ? Turn impinge on lights/ equipment during slothful periods ? Change equipment setpoints based on weather/ occupancy...If you pauperization to total a full essay, order it on our website: BestEssayCheap.com

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