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Case Study:

Technology Solutions Case Study: Sealed Crawl Space with Integrated Whole-House Ventilation in a Cold Climate

Case Study:

Technology Solutions Case Study: Selecting Ventilation Systems for Existing Homes

Case Study:

Technology Solutions Case Study: Stand-Off Furring in Deep Energy Retrofits

Case Study:

Technology Solutions Case Study: Steam System Balancing and Tuning for Multifamily Residential Buildings, Chicago, Illinois

Case Study:

Technology Solutions Case Study: Ventilation System Effectiveness and Tested Indoor Air Quality Impacts

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Temporary dry floodproofing wall design concepts

Temporary dry floodproofing wall design concepts
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The addition of low-E permanent exterior storm windows is typically accepted for most historic preservation projects

The addition of low-E permanent exterior storm windows is typically accepted for most historic preservation projects
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The builder installed 1.5 inches of soy-based spray foam on the outside of the walls over the OSB sheathing, then kept a ¾ inch gap between the foam and the brick veneer siding to allow moisture vapor from the bricks to dissipate.

The builder installed 1.5 inches of soy-based spray foam on the outside of the walls over the OSB sheathing, then kept a ¾ inch gap between the foam and the brick veneer siding to allow moisture vapor from the bricks to dissipate.
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The builder installed a rain screen product that provides an air gap and drainage plane between the coated OSB sheathing and the cladding; the fabric layer folded over the bottom edge forms an insect screen.

The builder installed a rain screen product that provides an air gap and drainage plane between the coated OSB sheathing and the cladding; the fabric layer folded over the bottom edge forms an insect screen.
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The existing 2x8 roof rafters were topped with OSB; two layers of 2-inch rigid foam; plywood; ice and water shield at rakes, eaves, and valleys; underlayment; and fiberglass shingles, plus 6 inches of open-cell foam under the decking.

The existing 2x8 roof rafters were topped with OSB; two layers of 2-inch rigid foam; plywood; ice and water shield at rakes, eaves, and valleys; underlayment; and fiberglass shingles, plus 6 inches of open-cell foam under the decking.
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The existing sheathing boards are removed near the perimeter of the flat roof and pressure-treated plywood is installed at the vertical face of the parapet

The existing sheathing boards are removed near the perimeter of the flat roof and pressure-treated plywood is installed at the vertical face of the parapet
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The exterior of the home is wrapped in a continuous layer of rigid foam with all seams taped to provide a thermal, air, and moisture barrier and serve as a drainage plane, eliminating the need for house wrap.

The exterior of the home is wrapped in a continuous layer of rigid foam with all seams taped to provide a thermal, air, and moisture barrier and serve as a drainage plane, eliminating the need for house wrap.
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The exterior walls of this home consist of two wall cavities: a 2x6 wall with plywood sheathing plus 8-inch I-joists sheathed with engineered wood; both cavities are dense-packed with cellulose for R-60 total.

The exterior walls of this home consist of two wall cavities: a 2x6 wall with plywood sheathing plus 8-inch I-joists sheathed with engineered wood; both cavities are dense-packed with cellulose for R-60 total.
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The flat retrofit foundation plate is used to connect the concrete foundation to the sill plate from the exterior of the building as part of a seismic retrofit

The flat retrofit foundation plate is used to connect the concrete foundation to the sill plate from the exterior of the building as part of a seismic retrofit
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The flush cut method for seismic retrofit bracing of a cripple wall allows the plywood sheathing to be attached directly to both the cripple studs and the notched section of the mudsill

The flush cut method for seismic retrofit bracing of a cripple wall allows the plywood sheathing to be attached directly to both the cripple studs and the notched section of the mudsill
Case Study:

The Habitat for Humanity of Metro Denver Zero Energy Demonstration Home

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The home is sheathed with rigid foam insulation and all seams and holes are taped to provide a continuous air barrier.

The home is sheathed with rigid foam insulation and all seams and holes are taped to provide a continuous air barrier.
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The incremental cost of EV charging infrastructure.

The incremental cost of EV charging infrastructure.
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The light fixture is connected to the exhaust fan with an electric wire which is sometimes hard wired but in this case is plugged in so it can be unplugged to clean the light fixture and access the fan for cleaning

The light fixture is connected to the exhaust fan with an electric wire which is sometimes hard wired but in this case is plugged in so it can be unplugged to clean the light fixture and access the fan for cleaning
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The metal screening keeps insects out of the black mesh plastic fabric which provides a ventilation gap behind the home’s siding, which includes the ship-lapped cypress shown here.

The metal screening keeps insects out of the black mesh plastic fabric which provides a ventilation gap behind the home’s siding, which includes the ship-lapped cypress shown here.
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The mistake of overdriven fasteners

The mistake of overdriven fasteners
Case Study:

The New American Home 2004 Las Vegas, Nevada

Case Study:

The New American Home 2011 Orlando, Florida

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The nut holding the light housing in place in this combination exhaust fan/light can be unscrewed by hand

The nut holding the light housing in place in this combination exhaust fan/light can be unscrewed by hand