energy assessment guide for commercial buildings - ECO-III

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APPENDIX B: STANDARD FORMS FOR ENERGY ASSESSMENT Form 3: Primary Building Type Office [ ] Owner Occupied [ ]Leased (1-5 Tenants) [ ]Leased (5+ Tenants) [ ] Other—Define Hotel/Motel [ ] Motel (No Food) [ ] Hotel [ ] Hotel/Convention [ ] Other—Define Apartment [ ] General Occupancy [ ] Gated Community [ ] Other—Define Education [ ] Primary [ ] Secondary [ ] University [ ] Other—Define Food Services [ ] Restaurant - Full Service [ ] Fast Food [ ] Lounge [ ] Other—Define Health Care [ ] Nursing Home [ ] Clinic [ ] Outdoor Patient Department [ ] Full Service Hospital [ ] Other—Define Retail [ ] Supermarket [ ] General Merchandise [ ] Shopping Mall W/O Tenant Loads [ ] Shopping Mall Without Tenant Lighting Loads [ ] Shopping Mall [ ] Specialty Shops [ ] Other—Define Assembly [ ] Theatre [ ] Museum/Gallery [ ] Temple/Mosque/Church [ ] Arena/Gym [ ] Other—Define Other [ ] Laboratory [ ] Warehouse [ ] Warehouse—Refrigerated [ ] Recreation/Athletic Facility [ ] Jail [ ] Transport Terminal [ ] Multi-Use. Complex [ ] Other—Define 42
ENERGY ASSESSMENT GUIDE FOR COMMERCIAL BUILDINGS Appendix C: Guidelines on Preliminary Energy Use and Walk -Through Analysis – The eeBuildings Approach The US Environmental Protection Agency’s “eeBuildings” program works with building partners to facilitate quick and cost-effective initial energy performance baseline development and identify low- and no-cost energy performance improvements [US Environmental Protection Agency, www.epa.gov]. The eeBuildings program model based on the US ENERGY STAR model outlines a packaged approach that is consistent with the required steps prescribed under the Pre- Assessment stage in this guide including: •• Gaining a full understanding of how energy is being consumed and the associated costs. •• Identifying no/low cost measures for energy reduction. Results from this approach will also help owners report on relevant “energy conservation measures”. The eeBuildings approach works on the principle that the fastest, least-costly, and most significant reductions in energy use can be achieved through improved management of building systems operations, using best practice techniques and the existing digital control system. This framework may be a good initial approach for buildings to use in setting a baseline and evaluating a range of energy conservation measures. Below are guidelines from the eeBuildings turn-key approach that a building owner may wish to use during the “Preliminary Energy Use and Walk Through Analysis” stage prescribed under the Pre-Assessment phase in the guide. Step 1 - Collect, Display, and Analyse Energy Consumption and Cost Data Using the Energy Performance Monitoring Tool Routine collection and analysis of energy usage and cost data is essential to improving building energy performance. It assists with early detection and faster resolution of performance problems including avoiding peak tariffs and reducing utility costs, which prevents unnecessary spending and tenant discomfort. Finally, data collection allows you to communicate your success to building owners, tenants, and potential new tenants. The eeBuildings Energy Performance Monitoring Tool (EMPT) is a free Microsoft Excel- based tool that can automatically generate tables and graphs to help you track and analyze monthly and annual energy performance. It is designed for easy data input, since it relies solely on regular monthly electric utility bills for key data inputs. Once utility bill data is entered, you can automatically generate a number of charts and graphs that describe your building’s energy use and costs over time. You can also easily choose to run tailored comparisons of specific time periods, to assess changes in energy use over time. See contact information at the end of this section for obtaining a free copy of the EPMT (*). Using the tool is very easy: 1. The first time you use the tool, you will enter building information, including: •• Building name •• Total construction area (square meters) •• Total conditioned area (square meters) 2. Each month, you enter basic information from your utility bill, including multiple meters similar to Figure #1: •• Unit tariffs for each rate category (e.g., peak, valley, and mid) •• Actual peak demand (kW) •• Contracted peak demand (kW) •• Total electricity consumption (kWh) 43
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