Energy and Atmosphere The Most!
Energy and Atmosphere Goals • Establish energy efficiency and system performance • Optimize energy efficiency • Support ozone protection protocols • Encourage renewable and alternative energy sources
EAP1 Fundamental Commissioning (Cx) REQ Intent EA Prerequisite 1: To verify that the project’s energy-related systems are installed, calibrated and perform according to the owner’s project requirements, basis of design and construction documents.
EAP1 Fundamental Commissioning (Cx) REQ Intent EA Credit 3: To begin the commissioning process early in the design process and execute additional activities after systems performance verification is completed.
EAP1 Fundamental Commissioning (Cx) REQ Cx 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.
EAP1 Fundamental Commissioning (Cx) REQ At a minimum Projects must Commission:
EAP1 Fundamental Commissioning (Cx) REQ Commission Process: • Begin EARLY in Design Process • Independent Commissioning Authority (CxA) • OPR – Owners Project Requirements • BOD – Basis of Design
EAP2 Minimum Energy Performance REQ EAC1 Optimize Energy Performance PTS Intent To establish the minimum level of energy efficiency for the proposed building and systems to reduce environmental and economic impacts associated with excessive energy use.
EAP2 Minimum Energy Performance REQ EAC1 Optimize Energy Performance PTS 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.
EAP2 Minimum Energy Performance REQ EAC1 Optimize Energy Performance PTS 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
EAP2 Minimum Energy Performance REQ EAC1 Optimize Energy Performance PTS Whole Building Energy Simulation (Modeling) Must use the Performance Rating Method Appendix G - ASHRAE 90.1 - 2007 Not Allowed - Energy Cost Budget Method
EAP2 Minimum Energy Performance REQ EAC1 Optimize Energy Performance PTS 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.
EAP2 Minimum Energy Performance REQ EAC1 Optimize Energy Performance PTS 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).
EAP2 Minimum Energy Performance REQ EAC1 Optimize Energy Performance PTS Regulated (non-process) Energy Lighting Heating, ventilating, and air conditioning (HVAC) Service water heating for domestic or space heating purposes.
EAP2 Minimum Energy Performance REQ EAC1 Optimize Energy Performance PTS Strategies to Increase Energy Performance Reduce demand Harvest free energy Increase efficiency Recover waste energy
EAP3 Fund. Refrigerate Management REQ Intent To reduce stratospheric ozone depletion.
EAP3 Fund. Refrigerate Management REQ Requirements Zero use of CFC-based refrigerants in new base building HVAC&R systems. Comprehensive CFC Phase-out Plan
EAP3 Fund. Refrigerate Management REQ Refrigerants Global Warming Potential - GWP Ozone Depletion Potential - ODP
EAP3 Fund. Refrigerate Management REQ Natural Refrigerants CO2 – Carbon dioxide H2O – Water NH3 – Ammonia HC – Hydrocarbons, such as propane, butane, ethane, isobutene, and isopentane Air
EAP3 Fund. Refrigerate Management REQ Montreal Protocol CFCs 2010 HCFCs 2030
EAP3 Fund. Refrigerate Management REQ OZONE Depletion CFCs HCFCs Halons BAD!
EAC4 Enhanced Refrigerate Management Intent To reduce ozone depletion and support early compliance with the Montreal Protocol while minimizing direct contributions to climate change.
EAC4 Enhanced Refrigerate Management Requirements ALL Options Do not install fire suppression systems that contain ozone-depleting substances: CFCs HCFCs Halons
EAC 2 On-Site Renewable Energy Intent To encourage and recognize increasing levels of on-site renewable energy self-supply to reduce environmental and economic impacts associated with fossil fuel energy use.
EAC 2 On-Site Renewable Energy Eligible On-site Systems • Photovoltaic (PV) • Wind energy • Solar thermal • Biofuel-based electrical • Geothermal heating • Geothermal electric • Low-impact hydroelectric power • Wave and tidal power
EAC 2 On-Site Renewable Energy Ineligible On-site Systems • Architectural features • Passive solar strategies • Daylighting strategies • Geo-exchange systems (ground-source heat pumps)
EAC5 Measurement and Verification Intent To provide for the ongoing accountability of building energy consumption over time.
EAC5 Measurement and Verification Requirements IPMVP Option B – Energy Conservation Method Isolation Option D – Calibrated Simulation
EAC6 Green Power Intent To encourage the development and use of grid-source, renewable energy technologies on a net zero pollution basis.
EAC6 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.
EAC6 Green Power 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.
EAC6 Green Power RECs 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.