Rapid Energy Modeling for Existing Buildings: Testing the Business and Environmental Potential through an experiment at Autodesk

摘要

Adoption of rapid energy modeling techniques can significantly increase the number of existing buildings that undergo energy assessments and subsequent upgrades, within a smaller budget and shorter time frame.There is considerable interest in the building community to streamline the modeling process. Property managers, tenants, home buyers, design teams, public policy advocates and energy consultants are expected to benefit from such a workflow in the following ways:A. Shortcut to estimating actual energy use: Applying a set of standard parameters to all facilitiesi 1, we found that for three of the six Autodesk buildings, the energy intensity (kWh/square foot) predicted by the model fell within 6 percent of actual energy data, one facility was 12 percent off, and two others showed higher deviations. Given that we constructed the initial models without knowing anything about the facilities' operations, and applied the same set of modeling assumptions to facilities that were diverse in geographies, weather zones, operational schedules and power efficiencies, we were pleased by the results' proximity to actual consumption.