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Right - A duct leakage test is conducted from the door of a large ERV Cabinet on a rooftop using a duct tester fan and a blower door frame, and the chamber that the duct tester is set up on is sealed where it leads to the ERV core or enthalpy wheel

Right - A duct leakage test is conducted from the door of a large ERV Cabinet on a rooftop using a duct tester fan and a blower door frame, and the chamber that the duct tester is set up on is sealed where it leads to the ERV core or enthalpy wheel
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Right - A durable, vented cover is installed over this exhaust duct to prevent bird and pest entry

Right - A durable, vented cover is installed over this exhaust duct to prevent bird and pest entry
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Right - A heat recovery ventilator supplies all living spaces with fresh air while transferring heat for energy savings.

Right - A heat recovery ventilator supplies all living spaces with fresh air while transferring heat for energy savings.
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Right - An in-line air flow testing station is installed in a straight section of smooth metal duct (red outline) to determine the air flow rate of a fresh air intake for a whole house ventilation system.

Right - An in-line air flow testing station is installed in a straight section of smooth metal duct (red outline) to determine the air flow rate of a fresh air intake for a whole house ventilation system.
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Right - Continuous wall sheathing and blocking has been installed to brace the raised heel trusses.

Right - Continuous wall sheathing and blocking has been installed to brace the raised heel trusses.
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Right - Each individual unit in this multifamily building has its own energy recovery ventilator (ERV) to provide balanced ventilation to the dwelling

Right - Each individual unit in this multifamily building has its own energy recovery ventilator (ERV) to provide balanced ventilation to the dwelling
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Right - Flex duct is used to connect the duct tester to the top of a duct riser where it meets the roof; connecting the duct tester to the largest part of the ductwork helps ensure uniform pressure distribution during a duct leakage test

Right - Flex duct is used to connect the duct tester to the top of a duct riser where it meets the roof; connecting the duct tester to the largest part of the ductwork helps ensure uniform pressure distribution during a duct leakage test
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Right - HVAC ducts should be well-supported with minimal bends and pinching.

Right - HVAC ducts should be well-supported with minimal bends and pinching.
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Right - Provide passive ventilation in hot climates by installing wind chases and vents.

Right - Provide passive ventilation in hot climates by installing wind chases and vents.
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Right - Skylights can add natural light in rooms with limited wall space and if openable can provide desirable ventilation, especially when located at the top of stair wells.

Right - Skylights can add natural light in rooms with limited wall space and if openable can provide desirable ventilation, especially when located at the top of stair wells.
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Right - The automated ventilation system has a sensor built in switch that can detect indoor air pollution; if it senses a rise in humidity, VOCs, smoke, carbon dioxide, or small particulates, the system will turn on the nearest fan to eliminate pollution

Right - The automated ventilation system has a sensor built in switch that can detect indoor air pollution; if it senses a rise in humidity, VOCs, smoke, carbon dioxide, or small particulates, the system will turn on the nearest fan to eliminate pollution
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Right - The energy recovery ventilator ducts supply filtered outside air to multiple locations in the home and continuously exhaust stale air to provide clean, balanced ventilation.

Right - The energy recovery ventilator ducts supply filtered outside air to multiple locations in the home and continuously exhaust stale air to provide clean, balanced ventilation.
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Right - This air flow testing station includes a manometer to determine air flow rate for a whole house ventilation system.

Right - This air flow testing station includes a manometer to determine air flow rate for a whole house ventilation system.
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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 – 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 – All insulated sheathing boards are installed according to the manufacturer’s recommended fastening schedule and taping specifications

Right – All insulated sheathing boards are installed according to the manufacturer’s recommended fastening schedule and taping specifications
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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 – Appropriate door framing installed

Right – Appropriate door framing installed
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Right – Appropriate use of framing members to support double windows and additional cripples for drywall purposes

Right – Appropriate use of framing members to support double windows and additional cripples for drywall purposes
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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.