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There are three potential locations for an attic radiant barrier – adhered to the underside of the roof decking, hanging from the rafters, or on the ceiling insulation

There are three potential locations for an attic radiant barrier – adhered to the underside of the roof decking, hanging from the rafters, or on the ceiling insulation
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These apartments built by Haynes Construction in Meriden, Connecticut, achieved certification to both the U.S. Department of Energy’s Zero Energy Ready Home Program and the Passive House Institute U.S. and were funded as affordable housing.

These apartments built by Haynes Construction in Meriden, Connecticut, achieved certification to both the U.S. Department of Energy’s Zero Energy Ready Home Program and the Passive House Institute U.S. and were funded as affordable housing.
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These townhomes built by Haynes Construction in Meriden, Connecticut, achieved certification to both the U.S. Department of Energy’s Zero Energy Ready Home Program and the Passive House Institute U.S. and were funded as affordable housing.

These townhomes built by Haynes Construction in Meriden, Connecticut, achieved certification to both the U.S. Department of Energy’s Zero Energy Ready Home Program and the Passive House Institute U.S. and were funded as affordable housing.
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This close-up of an exterior wall retrofit of a masonry brick home shows the fluid-applied water and air control layer (white), 2x4 furring strips and two layers of rigid foam insulation (pink), then 1x4 furring which provides a ventilation gap

This close-up of an exterior wall retrofit of a masonry brick home shows the fluid-applied water and air control layer (white), 2x4 furring strips and two layers of rigid foam insulation (pink), then 1x4 furring which provides a ventilation gap
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This home bears a DOE Zero Energy Ready Home label on its front window next to the ENERGY STAR window label.

This home bears a DOE Zero Energy Ready Home label on its front window next to the ENERGY STAR window label.
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This Project Home Again home in New Orleans by Green Coast Enterprises, used simplified home plans and value engineering to provide affordable, hurricane- and flood-resistant homes in Louisianna.

This Project Home Again home in New Orleans by Green Coast Enterprises, used simplified home plans and value engineering to provide affordable, hurricane- and flood-resistant homes in Louisiana.
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This simple decision tree can help homeowners and contractors make decisions about re-siding a home and upgrading windows

This simple decision tree can help homeowners and contractors make decisions about re-siding a home and upgrading windows
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Unfaced fiberglass batt insulation is installed to completely fill the wall cavities and is sliced to fit around wiring, piping, and other obstructions in the wall cavities

Unfaced fiberglass batt insulation is installed to completely fill the wall cavities and is sliced to fit around wiring, piping, and other obstructions in the wall cavities
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Vented crawlspace cripple wall has seismic retrofits – plywood is added on interior that fastens to extra blocking added at sill plate and connected to foundation with new anchor bolts

Vented crawlspace cripple wall has seismic retrofits – plywood is added on interior that fastens to extra blocking added at sill plate and connected to foundation with new anchor bolts
Case Study:

Veridian Homes: Cold Climate Region 40+% Energy Savings

Presentation:

What’s New with Indoor airPLUS Version 2: What Builders and Verifiers Need to Know

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Wind-Damage Reduction as a Function of Retrofit Level

Wind-Damage Reduction as a Function of Retrofit Level
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Window does not meet 2009 IECC requirements

Window does not meet 2009 IECC requirements
CAD File:

Window head at window frame wall

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Window head at window frame wall
CAD File:

Window head at wood frame wall

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Window head at wood frame wall
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Window meets 2009 IECC requirements

Window meets 2009 IECC requirements
CAD File:

Window sill at wood frame wall

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Window sill at wood frame wall
CAD File:

Window sill at wood frame wall

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Window sill at wood frame wall
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With the nailed block method, wood blocks are attached to the sill plate and the cripple wall plywood is attached to the block to provide shear strength for correctly bracing a cripple wall in a seismic retrofit

With the nailed block method, wood blocks are attached to the sill plate and the cripple wall plywood is attached to the block to provide shear strength for correctly bracing a cripple wall in a seismic retrofit
Case Study:

WPPI GreenMax-Chambers Residence: Near Zero Energy Monitoring Summary

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Wrong – Compression and misalignment because insulation is not split around plumbing

Wrong – Compression and misalignment because insulation is not split around plumbing
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Wrong – Compression and misalignment because insulation is not split around wires

Wrong – Compression and misalignment because insulation is not split around wires
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Wrong – Insulation has misalignment, compression, and gaps

Wrong – Insulation has misalignment, compression, and gaps
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Wrong – Spray foam installed with voids

Wrong – Spray foam installed with voids