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Green Acres #20

    • Greenhill Contracting built this 4,454-square-foot home in New Paltz, New York, to the performance criteria of the U.S. Department of Energy Zero Energy Ready Home (ZERH) program.
    • The highly efficient home stacks four floors on a small footprint, including a daylight basement.
    • In addition to being certified for DOE Zero Energy Ready Home, EPA Indoor airPLUS, and ENERGY STAR, the home is expected to earn a LEED for Homes, silver level, and should save its homeowners $4,000 a year in energy costs compared to a home built to the 2009 International Energy Conservation Code.
    • The roof-mounted 11.55-kW solar electric system and ultra-efficient thermal enclosure enabled the home to achieve a Home Energy Rating System (HERS) score of -3.5.
    • From the foundation to the roof line, the insulated concrete form (ICF) thermal blanket is an important part of the comprehensive draft protection system that enhances quiet, comfort, indoor air quality, and durability.
    • The sealed attic is insulated on the underside of the roof deck with 10 inches of open‐cell spray foam plus 2.7 inches of closed‐cell spray foam insulation to completely air seal the attic while providing an R-63 insulation value.
    • The home is equipped with an ultra-efficient (COP 5.7) ground source heat pump, which also provides domestic hot water that is distributed via a central manifold and homerun piping system that speeds hot water to the faucets while reducing the amount of wasted water.
    • The ultra-efficient (COP 5.7) ground source heat pump uses a central air handler with modulating condensers and a variable-speed electrically commutated motor blower.

      Green Acres #20

      Project Address

      Esopus, NY

      Conditioned Square Footage
      4,454 sqft
      Number of Bedrooms
      4 Beds
      Number of Bathrooms
      3.5 Baths
      Number of Floors Above Grade
      2 Floors Above Grade
      Home Type
      Custom
      Climate Zone Temperature
      Cold
      Climate Zone Humidity
      Humid

      With PV

      HERS Index with PV
      -3HERS (PV)
      Average Monthly Energy Bill PV
      $10Average Monthly Energy Bill (PV)
      Annual Energy Cost Savings with PV
      $4,000Annual Energy Cost Savings (PV)
      30 Year Savings with PV
      $170,00030 Year Savings (PV)

      Zero Net Now

      ZERO

      HIA Year
      HIA Status
      Winner
      HIA Category
      Housing Innovation Award

      Learn More

      Key Features

      Key Features
      All-electric home Cold-climate heat pump Energy / Heat recovery ventilator Electric Vehicle Charger Installed or Wired for Charger Ground source heat pump High-efficiency variable-speed heat pump Insulated concrete form (ICF) walls and/or foundation Photovoltaics Triple-pane windows Unvented insulated attic ACH 50 < 2.5 or CFM50/SF of enclosure ≤ 0.25 Central Manifold Plumbing Design

      Additional Details

      Additional Details
      Basement

      Read the Case Study

      Testimonials

      Home owner (or occupant) Testimony
      Knowing very little [about these types of homes], I simply wanted a good value and all the things one wants from a new home. Those basic requirements such as comfort, quietness, and quality of construction have certainly been met for me. However, above and beyond that, we are very excited about the economic projections of owning this home…. We will be paying no energy bills on the balance of the year. Not having to worry about increasing energy costs has been comforting... It is not often that the responsible thing to do for the greater good also turns out to offer immediate personal economic benefits.
      Testimony Citation
      Homeowner

      Additional Media

      Finished Elevations

        Under Construction

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          Other Images

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            Floor Plan