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Image:

Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition

Unvented roof assembly at rake retrofitted with a filler piece and taped top edge of existing house wrap or building paper to seal the top of wall-to-roof transition
Presentation:

Variable Capacity Comfort Systems and Smart Ventilation Systems in High-Performance Homes

Variable Capacity Comfort Systems and Smart Ventilation Systems in High-Performance Homes
Image:

Vented Attic vs Unvented Cathedral Attic Air Flow

Vented Attic vs Unvented Cathedral Attic Air Flow
Image:

Vented roof assembly at eave retrofitted with rigid foam, spray foam, and fully adhered membrane to air seal the top of wall-to-roof transition

Vented roof assembly at eave retrofitted with rigid foam, spray foam, and fully adhered membrane to air seal the top of wall-to-roof transition
Image:

Vented roof assembly at rake retrofitted with spray foam and additional insulation installed at the attic floor and extended to the rake edge

Vented roof assembly at rake retrofitted with spray foam and additional insulation installed at the attic floor and extended to the rake edge
Image:

Wall grilles installed high and low on the wall of the heat pump water heater closet allow passive ventilation of a small room with warmer air coming in at the top and cooler exhaust air exiting at the bottom of the wall

Wall grilles installed high and low on the wall of the heat pump water heater closet allow passive ventilation of a small room with warmer air coming in at the top and cooler exhaust air exiting at the bottom of the wall
Video:

What is a Heat Pump Water Heater?

Video:

What Type of Connection is Critical in Creating a Continuous Path Differing Loads?

Presentation:

Why Are Attics Insulated With Open-Cell Spray Foam So Damp?

Why Are Attics Insulated With Open-Cell Spray Foam So Damp?
Video:

Wind Resistant Roof Systems

Image:

Wrong - Attic kneewall missing air barrier

Wrong - Attic kneewall missing air barrier
Image:

Wrong - Batt insulation does not provide complete coverage across the attic floor so ceiling joists are exposed resulting in thermal bridging.

Wrong - Batt insulation does not provide complete coverage across the attic floor so ceiling joists are exposed resulting in thermal bridging.
Image:

Wrong - Ceiling air barrier not properly installed

Wrong - Ceiling air barrier not properly installed
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Wrong - Exhaust fans should not have tight bends in duct work, especially right next to the fan as this can block airflow

Wrong - Exhaust fans should not have tight bends in duct work, especially right next to the fan as this can block airflow
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Wrong - IR image is showing that attic access is missing weather stripping.

Wrong - IR image is showing that attic access is missing weather stripping.
Image:

Wrong - No air barrier is present between the dropped ceiling/soffit and the attic.

Wrong - No air barrier is present between the dropped ceiling/soffit and the attic.
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Wrong - No air barrier is present between the dropped ceiling/soffit and the attic.

Wrong - No air barrier is present between the dropped ceiling/soffit and the attic.
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Wrong - Not enough straps were used to hang this flex duct so it is sagging, restricting air flow

Wrong - Not enough straps were used to hang this flex duct so it is sagging, restricting air flow
Image:

Wrong - This attic access hatch cover is not insulated

Wrong - This attic access hatch cover is not insulated
Image:

Wrong - This IR image of a second-floor landing shows that attic air is flowing far into the interstitial floor cavity of the second-floor landing

Wrong - This IR image of a second-floor landing shows that attic air is flowing far into the interstitial floor cavity of the second-floor landing
Image:

Wrong - This IR image shows where hot attic air has penetrated into the floor cavity that lies behind the stairwell wall

Wrong - This IR image shows where hot attic air has penetrated into the floor cavity that lies behind the stairwell wall
Image:

Wrong - Wind baffle installation will not allow insulation over the top plate.

Wrong - Wind baffle installation will not allow insulation over the top plate.
Image:

Wrong – Attic access panel does not have an insulation cover installed

Wrong – Attic access panel does not have an insulation cover installed
Image:

Wrong – Drop down stairs do not have insulation cover installed

Wrong – Drop down stairs do not have insulation cover installed