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How to Create a House HVAC Plan

Richard Trethewey demonstrates heat loss and gain to design a balanced HVAC system.

With a model of the Jamestown Net-Zero house, Richard Trethewey shows what sun exposure and ventilation can do to a building.

Richard demonstrates heat loss and gain to design a balanced HVAC system. With a model of the new project house, he demonstrates how sun exposure, wind, and ventilation will affect the heating and cooling of the building.