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Right – This metal roof is being coated with a cool (high SRI) coating to reduce solar heat gain

Right – This metal roof is being coated with a cool (high SRI) coating to reduce solar heat gain
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Right – This prototype home incorporates vertical trellises and retractable exterior blinds to control solar heat gain.

Right – This prototype home incorporates vertical trellises and retractable exterior blinds to control solar heat gain.
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Right – This wall is constructed with the sill plate overhanging the top of the foundation wall so that when rigid foam is installed on the exterior of the foundation wall, its surface will align with the surface of the wall sheathing.

Right – This wall is constructed with the sill plate overhanging the top of the foundation wall so that when rigid foam is installed on the exterior of the foundation wall, its surface will align with the surface of the wall sheathing.
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Right – Workers lay radiant floor loops over the concrete reinforcement which is laid over a heavy vapor barrier installed over the sub-slab insulation before the slab is poured.

Right – Workers lay radiant floor loops over the concrete reinforcement which is laid over a heavy vapor barrier installed over the sub-slab insulation before the slab is poured.
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Right – Workers pour the concrete for the basement floor slab over a vapor barrier installed over rigid foam.

Right – Workers pour the concrete for the basement floor slab over a vapor barrier installed over rigid foam.
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Right-Polyethylene sheeting is correctly installed over aggregate and taped to pillars and foundation wall

Right-Polyethylene sheeting is correctly installed over aggregate and taped to pillars and foundation wall
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Rigid foam extends under the full slab and lines the inside edges of the foundation walls.

Rigid foam extends under the full slab and lines the inside edges of the foundation walls.
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Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace

Rigid foam insulation and a thin slab were installed over the dirt and gravel of this sealed crawlspace
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Rigid foam wraps the exterior of the foundation slab.

Rigid foam wraps the exterior of the foundation slab.
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Rigid insulation and water control layers are installed on the exterior of a flat foundation wall; spray foam insulates the rim joist

Rigid insulation and water control layers are installed on the exterior of a flat foundation wall; spray foam insulates the rim joist
CAD File:

Rigid Insulation Over Aggregate

Preview Image
Rigid Insulation Over Aggregate
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Roof penetrations are minimized to provide more space for PV panels.

Roof penetrations are minimized to provide more space for PV panels.
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Roof-mounted solar panels shade the roof below them (left), significantly reducing the roof’s surface temperature (thermal image on the right - yellow region under the panels is cooler than the red and white region on the exposed portion of the roof)

Roof-mounted solar panels shade the roof below them (left), significantly reducing the roof’s surface temperature (thermal image on the right - yellow region under the panels is cooler than the red and white region on the exposed portion of the roof)
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Roofing material and slope

Roofing material and slope
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Roofing membrane is installed over polyisocyanurate rigid foam insulation and insulation cover board that has been cut to fit around locations for blocking for the PV system rack

Roofing membrane is installed over polyisocyanurate rigid foam insulation and insulation cover board that has been cut to fit around locations for blocking for the PV system rack
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Rooftop portion of thermosiphon solar hot water system

Rooftop portion of thermosiphon solar hot water system
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Seven categories of exterior window shading attachments, identified on the DOE Efficient Window Coverings website.

Seven categories of exterior window shading attachments, identified on the DOE Efficient Window Coverings website.
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Shed roofs provide more space for PV panels in this multifamily project near Denver, Colorado.

Shed roofs provide more space for PV panels in this multifamily project near Denver, Colorado.
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Side by side comparisons of standard roofing colors (top row) and cool colors (bottom row) shows that solar reflectance (R) can be reduced significantly using special coatings with almost no change to the color

Side by side comparisons of standard roofing colors (top row) and cool colors (bottom row) shows that solar reflectance (R) can be reduced significantly using special coatings with almost no change to the color
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Slab independent of foundation wall

Slab independent of foundation wall
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Slab-on-grade foundation and safe room.

Slab-on-grade foundation and safe room.
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Slab-on-grade radon control techniques

Slab-on-grade radon control techniques
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Slab-on-grade with concrete masonry stem wall and exterior insulation

Slab-on-grade with concrete masonry stem wall and exterior insulation
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Slab-on-grade with concrete stem wall and slab insulation

Slab-on-grade with concrete stem wall and slab insulation