- CP
A homebuilder in the New England area has been building net zero energy single family homes since 2008 and is continuing with multiple small-scale subdivisions of 20 or more homes. This builder… Read More
Cold
- CP
A startup builder in the San Francisco Bay Area has a goal of producing factory built/modular houses with net zero energy performance. Their first prototype was a two-story, two bedroom, urban infill… Read More
Marine
- CP
Exterior insulation retrofit is a reasonable step if a recladding of the building is already being done for aesthetic or ongoing maintenance reasons. This paper presents many of the lessons learned… Read More
Cold
- CP
This paper evaluates the performance of typical residential wall systems that incorporate water-resistive barriers with a range of vapor permeability. These systems included both absorbent and… Read More
Hot-Humid
- CP
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
- CP
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
Hot-Dry/Mixed-Dry
- CP
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
Hot-Dry/Mixed-Dry
- CP
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
- BSI
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
- BSI
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