Building Science Blog Archive

ZPD illustration

Effective Zone Pressure Diagnostics

Zone Pressure Diagnostics (ZPD) can be a useful and effective tool for determining the effectiveness of a designated pressure barrier. What can you do to increase the accuracy – or reduce uncertainty – of your results? Following these simple rules will help you hit your target.

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panasonic-ceiling-exhaust-fan

Double-Duty Exhaust Fans: Good or Bad?

The installation of double-duty exhaust fans in existing dwellings is common. This practice can save money and time on the job and provides a simpler ventilation solution for the occupants. But is it a good idea?

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Infrared R Value tool screenshot trans background-2

Bees Benefit from RED Tool

It’s getting cold in the Sandhills of Nebraska, so Ed Dekleva, a civil engineer, is becoming concerned about the conditions inside his beehives. 

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