This "house of pressure" is one of the tools used in the workshop for teaching green building techniques and weatherization. Teachers can create a test by flowing smoke into this house with a smoke stick (two blue items on bottom right), which shows how air would flow in an actual home. Students then need to diagnose if there's a problem in the ducting or air sealing, for example. Because so many homes in New Mexico are mobile homes, the lab has a similar house of pressure for mobile homes.
November 7, 2011 5:57 AM PST
Photo by: Martin LaMonica/CNET
| Caption by: Martin LaMonica
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