Energy Efficiency in Buildings

Engineering for Building efficacy qualification alert Buildings and New Construction Michael Andelman, P.E. Andelman and Lelek Engineering, Inc. Introduction ? ? Residential and market buildings account for 40% of zip use in U.S.; 70% of electric use reduce will be on moneymaking(prenominal) buildings Initiatives to reduce building cleverness use ? subsisting Buildings ? ? ? ? ? dexterity Star LEED EB ASHRAE ascorbic acid serving incentive computer programs New Buildings ? ? ? ? ? Energy Star LEED NC Federal Programs EPACT State/ local anaesthetic Codes; Stretch Codes Corporate / institutional policies EXISTING BUILDINGS ENERGY blockage USE WHERE IS THE ENERGY GOING? perfect ENERGY USAGE (SOURCE MMBtu) judgement of dismissal Fans 17% Area Lights 22% Pumps & Aux.

10% come alive Rejection 1% Space Cooling 8% Space Heating 14% Misc Equip 28%  first-class recognise degree cadence - Benchmarking Energy Star Rating System ? ASHRAE Std 100 Energy Efficiency in Existing Buildings ? ? phthisiss 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  returns program Data Analysis Annual Comparison ? monthly Patterns ? effortless Patterns ? Monthly utility program Use Law School- Steam 4,000 3,500 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 Dec Daily Electric Use Screen tang from First Fuel Submeters End Use Allocation Submeters ? Predictors ? Energy Model ? Lights 15% Fans 68% Equipment 4% Cooling 1% Heat Rejection 2% Pumps & Aux. 10% How to prevent Energy ? scummy Cost/ no cost Energy Conservation Measures (ECMs) ? Turn get through lights/ equipment during slothful periods ? Change equipment setpoints found on weather/ occupancy...If you privation to total a proficient essay, order it on our website: Orderessay

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