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Improved energy efficiency building enclosures generally means an increase in R-value and reduced air leakage, which commonly reduces the drying potential of wall assemblies. Essentially, less energy… Read More

A single-story, single-family, 1350 sq. ft. house located in Las Vegas, NV was outfitted with two separate ventilation systems. The systems were independent of each other, and were operated at… Read More

To characterize outside air distribution in residential buildings, this paper develops a practical methodology adapted from ASHRAE Standard 129. The methodology includes the examination of multi-zone… Read More

Unvented cathedralized attic (UCA) assemblies, created by eliminating ventilation and by moving the thermal insulation and air barrier from the ceiling plane to the rafters, immediately below the… Read More

This paper examines methods of using hygrothermal models, primarily WUFI, to assess the impact of energy efficient enclosure upgrades on the durability of historical buildings. Means of producing and… Read More

Snap, Crackle and Pop are beloved gnome characters…cartoon mascots of Rice Krispies breakfast cereal produced by a small company you might have heard of…Kellogg’s1.  Rice Krispies are one of the best… Read More

To vent, or not to vent…that is the question: Whether ‘tis nobler in the mind to suffer  The slings and arrows of outrageous moisture, Or to take arms against them And by opposing end them.  To… Read More

At the most basic level a building is an environmental separator – it keeps the outside out and the inside in.  Why?  Well, sometimes the outside sucks and we want to keep it from getting into the… Read More

Imagine a world where the building code does not allow returns to be installed in closets to control mold and other contaminants. That would be insane right? Welcome to the real world. Let me make… Read More

Five Integrated Pest Management Strategies to Consider Pests include insects and animals that have a harmful effect on humans, food or living conditions.  Pests include insects, termites, ants,… Read More