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Right - This builder preserved the trees around this new urban-infill home, providing excellent shading in the summer.

Right - This builder preserved the trees around this new urban-infill home, providing excellent shading in the summer.
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Right - This enclosed parking garage in a multistory multifamily building is equipped with mechanical exhaust to remove airborne contaminants from the garage.

Right - This enclosed parking garage in a multistory multifamily building is equipped with mechanical exhaust to remove airborne contaminants from the garage.
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Right - This shared enclosed parking garage is equipped with exhaust fans to remove airborne contaminants from the garage.

Right - This shared enclosed parking garage is equipped with exhaust fans to remove airborne contaminants from the garage.
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Right - This tree has been given space around the roots to allow for proper growth and expansion of the tree over time.

Right - This tree has been given space around the roots to allow for proper growth and expansion of the tree over time.
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Right – A non-combustible 1/8-inch mesh screen is installed on vent openings to reduce the risk of ember intrusion.

Right – A non-combustible 1/8-inch mesh screen is installed on vent openings to reduce the risk of ember intrusion.
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Right – A separately ducted HRV supplies fresh air to most rooms in the home.

Right – A separately ducted HRV supplies fresh air to most rooms in the home.
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Right – A ventilating dehumidifier with a fresh air intake is tied into the central duct system of this mixed-humid climate home.

Right – A ventilating dehumidifier with a fresh air intake is tied into the central duct system of this mixed-humid climate home.
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Right – An ERV provides filtered fresh air to this small home.

Right – An ERV provides filtered fresh air to this small home.
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Right – An HVAC contractor installs a 4-inch-thick MERV 13 filter at the intake grille of this return air vent to prevent dust, allergens, smoke, and viruses from entering the duct system.

Right – An HVAC contractor installs a 4-inch-thick MERV 13 filter at the intake grille of this return air vent to prevent dust, allergens, smoke, and viruses from entering the duct system.
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Right – Battens were installed above the cork insulation to provide a ventilating layer between the insulation and the roof sheathing on this “hot roof” design.

Right – Battens were installed above the cork insulation to provide a ventilating layer between the insulation and the roof sheathing on this “hot roof” design.
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Right – Driveway is installed to slope water away from the house

Right – Driveway is installed to slope water away from the house
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Right – Flex duct is used to connect the duct tester to the largest part of the ductwork where the ducts meet the ERV Cabinet; this helps ensure uniform pressure distribution during a duct leakage test

Right – Flex duct is used to connect the duct tester to the largest part of the ductwork where the ducts meet the ERV Cabinet; this helps ensure uniform pressure distribution during a duct leakage test
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Right – Fully enclosed, fire-resistant deck reduces risk of deck ignition.

Right – Fully enclosed, fire-resistant deck reduces risk of deck ignition.
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Right – In wildfire prone areas, using a flat soffit with venting on the fascia instead of an angled soffit with down-facing venting reduces the risk of catching rising embers.

Right – In wildfire prone areas, using a flat soffit with venting on the fascia instead of an angled soffit with down-facing venting reduces the risk of catching rising embers.
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Right – Open-cell spray foam is installed over closed-cell spray foam in this hybrid approach to achieve adequate attic ventilation while allowing some vapor permeability.

Right – Open-cell spray foam is installed over closed-cell spray foam in this hybrid approach to achieve adequate attic ventilation while allowing some vapor permeability.
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Right – Polyethylene sheeting vapor barrier is installed and sealed to the crawlspace walls with mastic

Right – Polyethylene sheeting vapor barrier is installed and sealed to the crawlspace walls with mastic
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Right – Raised heel trusses allow room for insulation over the exterior wall top plates, while baffles direct ventilation air to flow above the insulation from the soffit vents to the ridge vents.

Right – Raised heel trusses allow room for insulation over the exterior wall top plates, while baffles direct ventilation air to flow above the insulation from the soffit vents to the ridge vents.
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Right – Ripped OSB provides furring strips for a ventilation gap behind the wood siding.

Right – Ripped OSB provides furring strips for a ventilation gap behind the wood siding.
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Right – Spray foam fills the roof joist cavities of this vaulted, unvented attic.

Right – Spray foam fills the roof joist cavities of this vaulted, unvented attic.
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Right – Strips of foam are used to provide a ventilation gap behind the siding.

Right – Strips of foam are used to provide a ventilation gap behind the siding.
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Right – The below-grade concrete walls have damp-proof coating

Right – The below-grade concrete walls have damp-proof coating
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Right – The builder routed all vents through side walls to avoid holes in the roof.

Right – The builder routed all vents through side walls to avoid holes in the roof.
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Right – The canopy of this tree is high enough to allow views out the windows of this home while providing excellent shade to walls, windows, and roof.

Right – The canopy of this tree is high enough to allow views out the windows of this home while providing excellent shade to walls, windows, and roof.
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Right – The corridor in this multistory building is pressurized with outdoor supply air.

Right – The corridor in this multistory building is pressurized with outdoor supply air.