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A nylon draw band and tensioning tool are used to secure the inner coil of the pre-insulated flexible duct

A nylon draw band and tensioning tool are used to secure the inner coil of the pre-insulated flexible duct
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A nylon draw band and tensioning tool are used to secure the inner liner of the pre-insulated flexible duct

A nylon draw band and tensioning tool are used to secure the inner liner of the pre-insulated flexible duct
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A permanent awning prevents snow and overflowing ice dams from causing damage to HVAC equipment below.

A permanent awning prevents snow and overflowing ice dams from causing damage to HVAC equipment below.
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A pitot tube can be used to measure velocity pressure in a duct; at least twelve measurements are taken across the duct and velocity pressure is converted to velocity to calculate airflow

A pitot tube can be used to measure velocity pressure in a duct; at least twelve measurements are taken across the duct and velocity pressure is converted to velocity to calculate airflow
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A powered flow hood is used to measure outside air flowing into the inlet terminal of a whole-house ventilation system

A powered flow hood is used to measure outside air flowing into the inlet terminal of a whole-house ventilation system
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A properly sized cold climate heat pump can meet 100% of a home’s heating load in nearly any location in the United States

A properly sized cold climate heat pump can meet 100% of a home’s heating load in nearly any location in the United States
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A properly sized high-efficiency heat pump is located in conditioned space in a closet inside the home.

A properly sized high-efficiency heat pump is located in conditioned space in a closet inside the home.
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A pumper is used to place the concrete into the foam form walls

A pumper is used to place the concrete into the foam form walls
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A single ductless heat pump heats and cools the country’s first DOE Zero Energy Ready certified manufactured home.

A single ductless heat pump heats and cools the country’s first DOE Zero Energy Ready certified manufactured home.
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A site-built rafter roof with a raised top plate allows for more insulation underneath.

A site-built rafter roof with a raised top plate allows for more insulation underneath.
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A small, single-zone cooling system such as this ductless mini-split heat pump can be a very effective way to provide emergency cooling with a low power draw on a backup power system.

A small, single-zone cooling system such as this ductless mini-split heat pump can be a very effective way to provide emergency cooling with a low power draw on a backup power system.
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A standard site-built roof of rafters may pinch the insulation at the eaves

A standard site-built roof of rafters may pinch the insulation at the eaves
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A structural spline made of a solid 2x is used where needed to meet structural load requirements at SIP panel seams

A structural spline made of a solid 2x is used where needed to meet structural load requirements at SIP panel seams
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A surface spline reduces thermal bridging much more than a structural spline at SIP panel seams

A surface spline reduces thermal bridging much more than a structural spline at SIP panel seams
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A technician conducts a duct blaster test

A technician conducts a duct blaster test
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A theatrical fog machine produces dense fog that can be used to blow fog into a duct system to make leaks obvious.

A theatrical fog machine produces dense fog that can be used to blow fog into a duct system to make leaks obvious.
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A wall-mounted ductless air handler for a ductless heat pump system

A wall-mounted ductless air handler for a ductless heat pump system
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A water-source heat pump with a closed-loop in-pond piping system

A water-source heat pump with a closed-loop in-pond piping system
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Advanced framing details include corners that are constructed with fewer studs or studs aligned so that insulation can be installed in the corner.

Advanced framing details include corners that are constructed with fewer studs or studs aligned so that insulation can be installed in the corner.
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Advanced framing details include framing aligned to allow for insulation at interior-exterior wall intersections.

Advanced framing details include framing aligned to allow for insulation at interior-exterior wall intersections.
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Advanced framing details include insulated headers over windows and doors.

Advanced framing details include insulated headers over windows and doors.
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Advanced framing details include minimal framing at windows and doors.

Advanced framing details include minimal framing at windows and doors.
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Advanced framing details include using the minimum amount of wall studs permitted by code.

Advanced framing details include using the minimum amount of wall studs permitted by code.
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Advanced framing showing open headers

Advanced framing showing open headers