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This free excel tool allows you to calculate the heat loss for a residential building based on simple inputs. It was developed by Marc Rosenbaum for use in his "Zero Net Energy Homes" course offered through NESEA's Building Energy Masters Series.
Marc Rosenbaum, P.E. uses an integrated systems design approach to help people create buildings and communities which connect us to the natural world, and support both personal and planetary health. He brings this vision, experience and commitment to a collaborative design process, with the goal of profoundly understanding the interconnections between people, place, and...[more]
This tool is used in HeatSpring's Zero Net Energy Homes course.