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This two-story enclosure with a basement is designed for Chicago, IL (Cold Climate). It features a vented attic with a raised heel truss and cavity insulation at the attic floor, and asphalt shingles… Read More

This two-story enclosure with a crawlspace is designed for Charlotte, NC (Mixed-Humid Climate). It features a vented attic with a raised heel truss and cavity insulation at the attic floor, and… Read More

This two-story slab-on-grade enclosure is designed for Atlanta, GA (Mixed-Humid Climate). It features a vented attic with a raised heel truss and cavity insulation at the attic floor, and asphalt… Read More

This two-story enclosure with a crawlspace is designed for Aspen, CO (Very Cold Climate). It features an unvented roof with low-density spray foam insulation in rafter cavities and 1” XPS rigid… Read More

This one-story slab-on-grade enclosure is designed for Albuquerque, NM (Hot-Dry/Mixed-Dry Climate). It features a vented attic with a raised heel truss and cavity insulation at the attic floor, and… Read More

It shouldn't be a surprise that energy would be a hit in Texas—but 8,000 people on the first weekend to tour a home that uses less than half that of a standard new home, and makes the rest itself?… Read More

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

Where foundation insulation is on the exterior of foundations and touches the ground it needs to be protected.   Yes, this should be obvious, but it is often overlooked.  One of the most overlooked… Read More

My Spidey sense is tingling [1]Note that this is an “opinion column” [2]Work with me on this: In response to COVID, the CDC and others are now recommending a room air change rate of 4 to 6 air… 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