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Right - An EPDM gasket is installed around an HRV duct installed in an exterior wall; 9 of 14.

Right - An EPDM gasket is installed around an HRV duct installed in an exterior wall; 9 of 14.

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Use pry bars to remove the trim around an existing window to access the rough opening

Use pry bars to remove the trim around an existing window to access the rough opening

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To remove old exterior caulk, use a utility knife (left) or a putty knife (right) to cut along both edges.

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Pull off strips of old caulk using pliers or your fingers. Remove residual caulk using a razor scraper.

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The yellow areas in this infrared camera image show where heat from the attic is entering the home around recessed can light fixtures

The yellow areas in this infrared camera image show where heat from the attic is entering the home around recessed can light fixtures

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After spraying on foaming glass cleaner, smooth the caulk with a gloved finger to get a neat, even finish.

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Pulling the carpet back reveals a large gap between the shims under the frame of this sliding glass door

Pulling the carpet back reveals a large gap between the shims under the frame of this sliding glass door

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Water Managed Roof – Re-roofing and Adding Insulation over a Flat Roof

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Guide describing an approach to re-roofing an existing flat roof to improve thermal, water, and air control performance.

Right - Sealant is installed at the top plate and bottom plate of a gypsum covered wall separating a garage from the conditioned space of the home.

Right - Sealant is installed at the top and bottom plates of a gypsum covered wall separating a garage from the conditioned space of the home.

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2021 IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade

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2021 IECC Climate Zone 2B: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade

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2021 IECC Climate Zone 3A: Vented Attic, 2x6 Wall, Monolithic Slab on Grade

2021 IECC Climate Zone 3A: Vented Attic, 2x6 Wall, Monolithic Slab on Grade

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2021 IECC Climate Zone 3B: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade

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2021 IECC Climate Zone 3B: Vented Attic, 2x6 Wall, Monolithic Slab on Grade

2021 IECC Climate Zone 3B: Vented Attic, 2x6 Wall, Monolithic Slab on Grade

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2021 IECC Climate Zone 3C: Unvented Attic, 2x6 Wall, Monolithic Slab on Grade

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2021 IECC Climate Zone 3C: Vented Attic, 2x6 Wall, Monolithic Slab on Grade

2021 IECC Climate Zone 3C: Vented Attic, 2x6 Wall, Monolithic Slab on Grade

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2021 IECC Climate Zone 4A: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade

2021 IECC Climate Zone 4A: Vented Cathedral Ceiling, 2x6 Wall, Slab on Grade

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2021 IECC Climate Zone 4C: Vented Attic, 2x4 Wall, Interior Insulated Basement

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Rater-measured duct leakage to outdoors ≤ 4 CFM25 per 100 sq. ft. of conditioned floor area

Rater-measured duct leakage to outdoors ≤ 4 CFM25 per 100 sq. ft. of conditioned floor area

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To prepare for a total duct test at rough-in, cover all of the supply outlets and return inlets

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Right - Closed-cell spray foam insulation fills the wall cavities of the exterior walls in this home retrofit

Right - Closed-cell spray foam insulation fills the wall cavities of the exterior walls in this home retrofit

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Right – The top of the enclosure over this recessed can light remains clear of attic insulation

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Right - External outlet wall penetration is flashed with tape that is properly layered with house wrap.

Right - External outlet wall penetration is flashed with tape that is properly layered with house wrap.

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Garage door threshold weatherstripping is ready to be installed on the garage floor beneath the garage door.

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The exterior caulking around this window is clearly cracked, indicating that the caulking is no longer performing well and should be replaced.

The exterior caulking around this window is clearly cracked and peeling, indicating that the caulking is no longer performing well and should be replaced.

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Pumpkin Ridge Passive House video #006: Insulation Details

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Video describing the EPS foam used to insulate the exterior of a passive house.

Existing Whole-House Solutions Case Study: Historic Home in Eastern Washington

Case Study

Case study describing a cost-effectively reducing energy use by over 50% in an existing home.

New Whole-House Solutions Case Study: Attention to Detail in High-Performance Homes 2012, Heritage Buildings, Leland NC

Case Study

Case study describing one builder's conversion to high-performance building in the hot-humid regions of the Atlantic seaboard.

2021 IECC Climate Zone 2A: Unvented Attic, 2x6 Wall, Monolithic Slab

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2021 IECC Climate Zone 3A: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

2021 IECC Climate Zone 3A: SIP Roof, SIP Wall, Stem Wall, Slab on Grade

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