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The Integrated Design Process loops in design input at every stage of development

The Integrated Design Process loops in design input at every stage of development
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The proccess for building a prototype of a high-performance home encourages ongoing interaction with the energy rater, engineer, architect, and HVAC contractor (Source: PNNL).

The proccess for building a prototype of a high-performance home encourages ongoing interaction with the energy rater, engineer, architect, and HVAC contractor (Source: PNNL).
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These floor joist bays have been properly air sealed with caulked rigid foam insulation

These floor joist bays have been properly air sealed with caulked rigid foam insulation
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Wrong - Cantilevered floor joist bay cavities are not air sealed with a solid air barrier aligned with the exterior wall.

Wrong - Cantilevered floor joist bay cavities are not air sealed with a solid air barrier aligned with the exterior wall.
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Wrong - Cantilevered joist bay cavities are not air sealed with a solid air barrier, allowing outside air to flow between floors.

Wrong - Cantilevered joist bay cavities are not air sealed with a solid air barrier, allowing outside air to flow between floors.
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Wrong - Holes in rim joist around pipes and wiring are not air-sealed.

Wrong - Holes in rim joist around pipes and wiring are not air-sealed.
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Wrong - Plumbing penetrations are not sealed in sub-floor and it is not recommended to run plumbing in a cantilevered floor.

Wrong - Plumbing penetrations are not sealed in sub-floor and it is not recommended to run plumbing in a cantilevered floor.
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Wrong - The holes around the HRV ducting should be air sealed.

Wrong - The holes around the HRV ducting should be air sealed.
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Wrong - Tub or shower floor is not insulated and air-sealed with a solid barrier material between the floor joists and the tub. Plumbing pipes shouldn't be located in a cantilever.

Wrong - Tub or shower floor is not insulated and air-sealed with a solid barrier material between the floor joists and the tub. Plumbing pipes shouldn't be located in a cantilever.
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Wrong – Cantilever is not blocked or insulated.

Wrong – Cantilever is not blocked or insulated.
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Wrong – The rigid air barrier material between the cantilever and the conditioned space is not air sealed at the seams.

Wrong – The rigid air barrier material between the cantilever and the conditioned space is not air sealed at the seams.
Presentation:

Zero Energy Ready Home Training

Zero Energy Ready Home Training