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Case Study:

Building America Top Innovations 2014: California Energy Standards Recognize the Importance of Filter Selection

Case Study:

Building America Top Innovations 2014: HVAC Cabinet Air Leakage Test Method

Image:

Building cavities not used as supply or return ducts unless they meet Items 3.2, 3.3, 4.1, and 4.2 of this Checklist

Building cavities not used as supply or return ducts unless they meet Items 3.2, 3.3, 4.1, and 4.2 of this Checklist
Presentation:

Building Code Training - Residential Thermal Envelope - Air Sealing

Video:

Building Enclosure: "Hot Spot" Quality HVAC Ductwork

Presentation:

Building Science for Dry Climates 7 - Duct Testing and Leakage

Image:

Buried ducts are laid on the floor of a vented attic then covered with spray foam and blown attic floor insulation

Buried ducts are laid on the floor of a vented attic then covered with spray foam and blown attic floor insulation
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Burried and encapsulated ducts in a ceiling plane

Burried and encapsulated ducts in a ceiling plane
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Cavity used for return is not insulated and is not air sealed, which will pull in air from outside

Cavity used for return is not insulated and is not air sealed, which will pull in air from outside
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Cavity was not air sealed

Cavity was not air sealed
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Ceiling gypsum board has been installed

Ceiling gypsum board has been installed
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Chase framing is completed and ready for drywall

Chase framing is completed and ready for drywall
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Child-proof slide locks can be used on drawers and cabinets to prevent their accidental, unintended use.

Child-proof slide locks can be used on drawers and cabinets to prevent their accidental, unintended use.
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Chimney retrofit includes metal strap reinforcement at different levels of the home

Chimney retrofit includes metal strap reinforcement at different levels of the home
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Closed-cell spray foam covers the heat recovery ventilator ducts and also seals all top plates and seams in the ceiling drywall of the vented attic.

Closed-cell spray foam covers the heat recovery ventilator ducts and also seals all top plates and seams in the ceiling drywall of the vented attic.
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CMU construction can be reinforced with vertical rebar and horizontal steel reinforcement (left) or unreinforced (right), depending on structural requirements

CMU construction can be reinforced with vertical rebar and horizontal steel reinforcement (left) or unreinforced (right), depending on structural requirements
Case Study:

Coastal Habitats

Presentation:

Code Compliant Portal Frames Built Right

Code Compliant Portal Frames Built Right
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Collars that are specifically made for flexible duct have a raised bead to prevent the duct from slipping off

Collars that are specifically made for flexible duct have a raised bead to prevent the duct from slipping off
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Common exhaust duct not shared by fans in separate dwellings

Common exhaust duct not shared by fans in separate dwellings
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Compact duct design layout

Compact duct design layout
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Compact duct layout example

Compact duct layout example
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Comparison of costs for preventing vs. repairing earthquake damage from unreinforced masonry chimney failure

Comparison of costs for preventing vs. repairing earthquake damage from unreinforced masonry chimney failure
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Concrete slab-on-grade foundation with a turn-down footing insulated on its top surface, showing anchorage of the wall to the foundation for seismic resistance

Concrete slab-on-grade foundation with a turn-down footing insulated on its top surface, showing anchorage of the wall to the foundation for seismic resistance