Mark A. Jackson

Integrated Heating and Ventilation: Double Duty for Ducts

Author: Mark A. Jackson

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May 01, 1993

Building codes in Washington state and Bonneville Power Administration's specifications for new residential construction require mechanical ventilation systems. [continue reading]

"Superwindow" Retrofits Show Significant Energy Savings

Author: Mark A. Jackson

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September 01, 1994

Windows account for a fairly large percentage of the heat loss of houses. Even in new homes built to stringent energy code, windows still account for about 25% of the overall conductive heat loss. [continue reading]