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United Way of Long Island built this affordable home in the mixed-humid climate in Port Jefferson Station, NY, and certified it to DOE Zero Energy Ready Home specifications in 2020.

United Way of Long Island built this affordable home in the mixed-humid climate in Port Jefferson Station, NY, and certified it to DOE Zero Energy Ready Home specifications in 2020.
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Unity Homes built this custom spec home in the cold climate in Walpole, NH, and certified it to DOE Zero Energy Ready Home specifications in 2017.

Unity Homes built this custom spec home in the cold climate in Walpole, NH, and certified it to DOE Zero Energy Ready Home specifications in 2017.
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Using dry wall clips or a 1x nailer strip to avoid the third stud in corners provides more room for insulation and reduces lumber.

Using dry wall clips or a 1x nailer strip to avoid the third stud in corners provides more room for insulation and reduces lumber.
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Variable-speed pool pumps can cut energy use by 50% to 90% compared to standard single-speed pumps

Variable-speed pool pumps can cut energy use by 50% to 90% compared to standard single-speed pumps
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Variable-speed pump with low head loss filter and piping layout

Variable-speed pump with low head loss filter and piping layout
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Wall Assembly | Madrona Passive House

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When installing piping and wiring, do not block access to the filter

When installing piping and wiring, do not block access to the filter
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Whole-Building Delivered Ventilation

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Wrong - Air filter was compressed and may not function effectively to filter return air.

Wrong - Air filter was compressed and may not function effectively to filter return air.
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Wrong - Furnace return air filter is dirty and needs to be replaced.

Wrong - Furnace return air filter is dirty and needs to be replaced.
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Wrong - HVAC return air filter has not been replaced for over a year.

Wrong - HVAC return air filter has not been replaced for over a year.
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Wrong – The stud was cut too long then not installed plumb and level.

Wrong – The stud was cut too long then not installed plumb and level.
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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.