Energy and Atmosphere Energy and Atmosphere The Most! Energy and Atmosphere Goals Reduce Energy Use and Support the Use of More Environmentally Friendly Energy Sources Stop Global Warming / Reduce GHG Emissions Eliminate / Reduce Air Pollution Energy and Atmosphere Energy and Atmosphere EAP1 Fundamental Commissioning (Cx) Required Energy and Atmosphere Commissioning (Cx) The process of verifying and documenting that a building and all of its systems and assemblies are planned, designed, installed, tested, operated, and maintained to meet the owner’s project requirements (OPRs). Energy and Atmosphere Commissioning Benefits of commissioning include reduced energy use, lower operating costs, reduced contractor callbacks, better building documentation, improved occupant productivity and verification that the systems perform in accordance with the owner’s project requirements. Energy and Atmosphere At a minimum Projects must Commission: • Heating, ventilating, air conditioning and refrigeration (HVAC&R) systems (mechanical and passive) and associated controls. • Lighting and daylighting controls • Domestic hot water systems • Renewable energy systems (e.g. wind, solar) Energy and Atmosphere At a minimum Projects must Commission: Energy and Atmosphere Commission Process: • Begin EARLY in Design Process • Independent Commissioning Authority (CxA) • OPR – Owners Project Requirements • BOD – Basis of Design Energy and Atmosphere EAP2 Minimum Energy Performance Required Energy and Atmosphere EAP2 Minimum Energy Performance SCHOOLS EPA's TargetFinder Rating Tool Target Finder is an online tool that can establish energy performance goals for a project. It uses data such as zip code and building type to calculate the estimated total energy use for the building, and then it assigns an energy performance rating on a scale of 1 to 100. Energy and Atmosphere EAP2 Minimum Energy Performance NC, SCHOOLS & CS OPTION 1. Whole Building Energy Simulation ASHRAE Standard 90.1‐2007, Appendix G OPTION 2. Prescriptive Compliance Path: ASHRAE Advanced Energy Design Guide ASHRAE Advanced Energy Design Guide for Small Office Buildings 2004 ASHRAE Advanced Energy Design Guide for Small Retail Buildings 2006 ASHRAE Advanced Energy Design Guide for Small Warehouses and Self Storage Buildings 2008 Advanced Energy Design Guide for K‐12 School Buildings OPTION 3. Prescriptive Compliance Path: Advanced Buildings™ Core Performance™ Guide Energy and Atmosphere Whole Building Energy Simulation (Modeling) Must use the Performance Rating Method Appendix G ‐ ASHRAE 90.1 ‐ 2007 Not Allowed ‐ Energy Cost Budget Method Energy and Atmosphere Energy Costs? Annual energy costs are determined using rates for purchased energy, such as electricity, gas, oil, propane, steam, and chilled water, that are based on actual local utility rates or the state average prices published annually by the U.S. Department of Energy’s Energy Information Administration, at www.eia.doe.gov. Energy and Atmosphere Process Energy Office and general miscellaneous equipment Computers Elevators and escalators Kitchen cooking and refrigeration Laundry washing and drying Lighting exempt from the lighting power allowance (e.g., lighting integral to medical equipment) and other (e.g., waterfall pumps). Energy and Atmosphere Regulated (non‐process) Energy Lighting Heating, ventilating, and air conditioning (HVAC) Service water heating for domestic or space heating purposes. Energy and Atmosphere Strategies to Increase Energy Performance Reduce demand Harvest free energy Increase efficiency Recover waste energy Energy and Atmosphere EAP3 Fundamental Refrigerate Management Required Energy and Atmosphere Requirements Zero use of CFC‐based refrigerants in new base building HVAC&R systems. Comprehensive CFC Phase‐out Plan Energy and Atmosphere Refrigerants Global Warming Potential ‐ GWP Ozone Depletion Potential ‐ ODP Energy and Atmosphere Energy and Atmosphere Natural Refrigerants CO2 – Carbon dioxide H2O – Water NH3 – Amonia HC – Hydrocarbons, such as propane, butane, ethane, isobutene, and isopentane Air Energy and Atmosphere Montreal Protocol CFCs HCFCs 2010 2030 Energy and Atmosphere OZONE Depletion CFCs HCFCs Halons Energy and Atmosphere Energy and Atmosphere On‐Site Renewable Energy Sources Energy and Atmosphere On‐Site Renewable Energy Sources Eligible On‐site Systems Photovoltaic Wind energy Solar thermal Biofuel‐based electrical Geothermal heating Geothermal electric Low‐impact hydroelectric power Wave and tidal power Energy and Atmosphere On‐Site Renewable Energy Sources Ineligible On‐site Systems Architectural features Passive solar strategies Daylighting strategies Geo‐exchange systems (ground‐source heat pumps) Energy and Atmosphere Measurement and Verification Energy and Atmosphere Measurement and Verification IPMVP Option B – Energy Conservation Method Isolation Option D – Calibrated Simulation Energy and Atmosphere Green Power Energy and Atmosphere Green Power NC, SCHOOLS & CS Engage in at least a 2‐year renewable energy contract to provide at least 35% of the building’s electricity from renewable sources, as defined by the Center for Resource Solutions’ Green‐e Energy product certification requirements. Energy and Atmosphere All purchases of green power shall be based on the quantity of energy consumed, not the cost. OPTION 1. Determine Baseline Electricity Use Use the annual electricity consumption from the results of EA Credit 1: Optimize Energy Performance. OR OPTION 2. Estimate Baseline Electricity Use Use the U.S. Department of Energy’s Commercial Buildings Energy Consumption Survey (CBECS) database to determine the estimated electricity use. Energy and Atmosphere Green Power Renewable energy certificates (RECs), tradable renewable certificates (TRCs), green tags and other forms of green power that comply with the technical requirements of the Green‐e Energy program may be used to document compliance with this credit.
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