Performance-testing the home with a blower door and sealing it well is perhaps the lowest hanging fruit in the world of building energy efficiency. The blower door depressurizes the house and helps to find leak points. We sealed our homes to nearly twice what is required by code.  Photo 7 of 9 in A Zero-Energy Community: Part 2

A Zero-Energy Community: Part 27/9

Performance-testing the home with a blower door and sealing it well is perhaps the lowest hanging fruit in the world of building energy efficiency. The blower door depressurizes the house and helps to find leak points. We sealed our homes to nearly twice what is required by code.

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