Omitted energy data points in energy models make models inaccurate. During an analysis of RemRate HERS rating software, we uncovered energy data points with significant affects on the HERS Index when not included as a rated feature of a home. The omitted data points included hot and cold water pipes, plumbing vent stack pipes, water fire sprinkler system pipes, deviations in manufacturers stated U value as compared to the “as installed U value” when calculated using the THERM model and earth tube pre-conditioning as well as electric pre-conditioning for ERV and HRV ventilation systems.
Although in the prototype stage, we have identified interactive multi-sensors that communicate with HVAC control sensors and occupants will be coming to market shortly. These new systems will require inclusion as additional data points requiring analysis and model design.
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