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Case Study:

DOE ZERH HIA 2014 Case Study: Palo Duro Homes, Albuquerque, NM

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Double fan window units can have multiple operational modes; most often outdoor air will be brought in at night when outdoor conditions are cooler

Double fan window units can have multiple operational modes; most often outdoor air will be brought in at night when outdoor conditions are cooler
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Drip irrigation saves water by irrigating landscaping only where needed.

Drip irrigation saves water by irrigating landscaping only where needed.
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Dry floodproofing three main design strategies

Dry floodproofing three main design strategies
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Ducted whole-house fans should be installed with the duct curved and the fan suspended from rafters to reduce noise and vibration transmission to the living area.

Ducted whole-house fans should be installed with the duct curved and the fan suspended from rafters to reduce noise and vibration transmission to the living area.
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Earth tubes buried in the ground can provide pre-cooling of ventilation air or primary cooling if designed deep and long enough

Earth tubes buried in the ground can provide pre-cooling of ventilation air or primary cooling if designed deep and long enough
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East- and west-facing walls receive significantly more sun than north- and south-facing walls in the summertime

East- and west-facing walls receive significantly more sun than north- and south-facing walls in the summertime
Video:

Energy 101: Cool Roofs

Video:

Energy 101: Geothermal Heat Pumps

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Evaporative coolers use a fan to draw outside air through a wetted pad which cools and humidifies it

Evaporative coolers use a fan to draw outside air through a wetted pad which cools and humidifies it
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Evaporative cooling is most appropriate in areas where the summer design mean coincident wet bulb temperature is less than 70°F, shown in purple here and labeled as region “A”

Evaporative cooling is most appropriate in areas where the summer design mean coincident wet bulb temperature is less than 70°F, shown in purple here and labeled as region “A”
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Even when wind is blowing parallel to a wall, an open casement window can create a zone of higher pressure near the window opening, driving airflow into the house

Even when wind is blowing parallel to a wall, an open casement window can create a zone of higher pressure near the window opening, driving airflow into the house
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Example of a cool roof, painted white to reflect solar heat gain.

Example of a cool roof, painted white to reflect solar heat gain.
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Example of an earth-sheltered home in hot climate Tempe, AZ uses the cooling properties of the ground to decrease cooling costs

Example of an earth-sheltered home in hot climate Tempe, AZ uses the cooling properties of the ground to decrease cooling costs
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Examples of Related Projects that Can be Done while Conducting a Roof Replacement or Bathroom Remodel

Examples of Related Projects that Can be Done while Conducting a Roof Replacement or Bathroom Remodel
CAD File:

Existing band joist insulation retrofit with 1 1/2 inch rigid insulation

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Existing band joist insulation retrofit with 1 1/2 inch rigid insulation
CAD File:

Existing band joist insulation retrofit with spray foam

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Existing band joist insulation retrofit with spray foam
Case Study:

Existing Whole-House Solutions Case Study: 56th and Walnut: A Philly Gut Rehab Development, Philadelphia, Pennsylvania

Case Study:

Existing Whole-House Solutions Case Study: Asdal Builders, LLC, Pittsburgh, PA

Case Study:

Existing Whole-House Solutions Case Study: Bay Ridge Gardens - Mixed Humid Affordable Multifamily Housing Deep Energy Retrofit, Annapolis, Maryland

Case Study:

Existing Whole-House Solutions Case Study: Build San Antonio Green, San Antonio, Texas

Case Study:

Existing Whole-House Solutions Case Study: Chesapeake Habitat for Humanity, Baltimore, MD

Case Study:

Existing Whole-House Solutions Case Study: Community-Scale Energy Modeling - Southeastern United States

Case Study:

Existing Whole-House Solutions Case Study: Consortium for Advanced Residential Buildings (CARB), Washington, D.C.