Data Or Information Required

Step 1: Calibrated Simulation Plan

• Develop Baseline Scenario

• Develop Post-retrofit Scenario

• Select simulation package

• Select calibration tools

• Information about existing conditions, building location, surroundings, etc.

• Information about post-retrofit conditions.

Step 2: Data Collection From Existing Building

• Visit site and collect data about baseline and post-retrofit conditions, characteristics, plans,

• Collect energy use data, and information about building operations, and systems

• Determine internal heat loads

• Prepare data for input into simulation

• Utility billing data for baseline and for post-retrofit periods

• Interval energy use and environmental data from building

• Equipment schedules, thermostat settings, HVAC system types, performance measurements

Step 3: Data Input Into Simulation Program

• Develop whole-building simulation or building, including envelope, loads, systems, plant

• Use architectural rendering to confirm inputs

• All building characteristics, system types, schedules, setpoints, etc., needed for developing simulation.

Step 4: Baseline Simulation Run and Comparison

• Compare with measured data

• Repeat process until simulation matchcs actual building

• All building characteristics, system types, schedules, setpoints, etc., needed for developing simulation.

• On-sites measurements of energy and environmental data

Step 5: Post-retrofit Simulation Run and Comparison.

• Compare with measured data

• Repeat process until simulation matches actual building

• All building characteristics, system types, schedules, setpoints, etc., needed for developing simulation.

• On-sites measurements of energy and environmental data

Step 6: Calculate Savings

• Compare baseline and post-retrofit simulations

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