Pretend that you were an energy audit whose job is to inspect the energy efficiency of someone's house. You are given two temperature data loggers (sensors that record temperature data over time). Your task is to identify where the following model house loses most heat and recommend countermeasures.

See-through Graph Grid Isotherm Heat flux

Power source
-2 W/m3     
     2 W/m3

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Note: This above model does not include convection and radiation and should be considered as only a very rough approximation.

Developed by Charles Xie. © 2010- The Concord Consortium.