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Whole house fans draw cool night-time air in through open windows and expel hot house air into the vented attic

Whole house fans draw cool night-time air in through open windows and expel hot house air into the vented attic
Presentation:

Whole House Mechanical Ventilation Design and Installation as Though Health Matters

Whole House Mechanical Ventilation Design and Installation as Though Health Matters
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Wind uplift pressure diagram of forces on continuous load path key links.

Wind uplift pressure diagram of forces on continuous load path key links.
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Wind-Damage Reduction as a Function of Retrofit Level

Wind-Damage Reduction as a Function of Retrofit Level
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With exhaust-only ventilation, the building is under negative pressure

With exhaust-only ventilation, the building is under negative pressure
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With supply-only ventilation, the building is under positive pressure

With supply-only ventilation, the building is under positive pressure
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Wrong – This ductless mini-split heat pump was installed above an exterior door allowing conditioned air to escape when the door is opened, heat transfer through the door, and temperature fluctuations that could impact the unit’s thermostat.

Wrong – This ductless mini-split heat pump was installed above an exterior door allowing conditioned air to escape when the door is opened, heat transfer through the door, and temperature fluctuations that could impact the unit’s thermostat.
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Wrong – Whole house fan installed with holes in surrounding platform that need to be air sealed

Wrong – Whole house fan installed with holes in surrounding platform that need to be air sealed
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Wrong – Whole house fan installed without an insulated cover

Wrong – Whole house fan installed without an insulated cover
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Wrong: Sized per Approach 1 or 2, this heat pump’s modulating zone has a small overlap with the home’s heating load line, resulting in a large amount of short-cycling; the unit will require backup heat when the temperature is below 25°F

Wrong: Sized per Approach 1 or 2, this heat pump’s modulating zone has a small overlap with the home’s heating load line, resulting in a large amount of short-cycling; the unit will require backup heat when the temperature is below 25°F
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Wrong: Sized per Approach 3, there is minimal overlap between this heat pump’s modulating zone and the home’s heating load line, causing excessive short-cycling; it will require backup heat and may not contribute significantly at temperatures below 5°F

Wrong: Sized per Approach 3, there is minimal overlap between this heat pump’s modulating zone and the home’s heating load line, causing excessive short-cycling; it will require backup heat and may not contribute significantly at temperatures below 5°F
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Wrong: Sized per Approach 3, there is small overlap between this heat pump’s modulating zone and the home’s heating load line, resulting in excessive short-cycling; it will require backup heat when the temperature is below 5°F

Wrong: Sized per Approach 3, there is small overlap between this heat pump’s modulating zone and the home’s heating load line, resulting in excessive short-cycling; it will require backup heat when the temperature is below 5°F
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Wrong: This heat pump is oversized even for Approach 4, and its modulating zone has a small overlap with the home’s heating load line, resulting in a large amount of short-cycling.

Wrong: This heat pump is oversized even for Approach 4, and its modulating zone has a small overlap with the home’s heating load line, resulting in a large amount of short-cycling.
Video:

Your Home Can Survive a Wildfire

Video:

Your Northern Home: Air Leakage/ Blower Door Test

Video:

Your Northern Home: Attics/Air leakage/Stack effect

Video:

Your Northern Home: Small Space Heater Maintenance

Video:

Your Northern Home: Stack Effect

Presentation:

Zero Energy Homes

Zero Energy Homes
Presentation:

Zero Energy Ready Home Training

Zero Energy Ready Home Training
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Zero Net Now built this custom for buyer home in the cold climate in New Paltz, NY, and certified it to DOE Zero Energy Ready Home specifications in 2021.

Zero Net Now built this custom for buyer home in the cold climate in New Paltz, NY, and certified it to DOE Zero Energy Ready Home specifications in 2021.
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Zero Net Now built this custom for buyer home in the cold climate in Wallkill, NY, and certified it to DOE Zero Energy Ready Home specifications in 2020.

Zero Net Now built this custom for buyer home in the cold climate in Wallkill, NY, and certified it to DOE Zero Energy Ready Home specifications in 2020.