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Video:

Designing Porous Polymers for Daytime Radiative Cooling

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Desuperheater for domestic hot water

Desuperheater for domestic hot water
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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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Drainback active indirect system

Drainback active indirect system
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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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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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During drought periods, an integrated back-up system adds city water to maintain the Durable Energy home’s 11,500-gallon cistern at 25% capacity or more.

During drought periods, an integrated back-up system adds city water to maintain the Durable Energy home’s 11,500-gallon cistern at 25% capacity or more.
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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
Presentation:

Efficient Hot Water Distribution Part 1: What’s at Stake

Efficient Hot Water Distribution Part 1: What’s at Stake
Presentation:

Efficient Hot Water Distribution Part 2: How to Get it Right

Efficient Hot Water Distribution Part 2: How to Get it Right
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Efficient showerheads can save 2,900 gallons of water per year.

Efficient showerheads can save 2,900 gallons of water per year.
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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Exterior shading devices such as awnings or overhangs can significantly reduce cooling loads

Exterior shading devices such as awnings or overhangs can significantly reduce cooling loads
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External solar screens are an effective way to reduce solar heat gains through windows while maintaining view.

External solar screens are an effective way to reduce solar heat gains through windows while maintaining view.
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Extreme weather, such as wind, fire, flood, or extreme heat (included in the Severe Weather category above) causes most large electric disturbance events in the U.S (defined as affecting at least 50,000 customers) (data from 2000-2016)

Extreme weather, such as wind, fire, flood, or extreme heat (included in the Severe Weather category above) causes most large electric disturbance events in the U.S (defined as affecting at least 50,000 customers) (data from 2000-2016)
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Foam holes for plumbing in the top plate, sill plate, or subfloor

Foam holes for plumbing in the top plate, sill plate, or subfloor
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For homes built in high probability flood zones, move all possible plumbing equipment above the Base Flood Elevation (BFE), shown here as “Flood Protection Level;” equipment that cannot be moved should be watertight to resist floodwater

For homes built in high probability flood zones, move all possible plumbing equipment above the Base Flood Elevation (BFE), shown here as “Flood Protection Level;” equipment that cannot be moved should be watertight to resist floodwater