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Johns Island Custom

    • Amerisips Homes, LLC, of Charleston, South Carolina, built this traditional home on Johns Island that achieves a Home Energy Rating System (HERS) score of 1, indicating it produces as much energy as it uses in a year.
    • Amerisips Homes' 2,085-square-foot coastal cottage is a certified U.S. DOE Zero Energy Ready Home.
    • In addition to the DOE Zero Energy Ready Home certification, which includes ENERGY STAR and EPA Indoor airPLUS certifications, this home is also certified to the EPA WaterSense criteria and is rated LEED platinum.
    • A 6-kW solar electric system meets all of the electricity needs of this home.
    • This home is equipped with an ultra-efficient air-to-water heat pump, which provides heated and cooled air and hot water for domestic use. The heat pump has an efficiency rating of 4.5 COP for heating and 17.5 SEER for cooling and uses a fan coil system, which is extremely efficient at removing humidity from the practically airtight home.
    • The home has a detached garage, which helps ensure the myriad of contaminants commonly found in garages stay out of the home.
    • Ultra-efficient appliances save energy and often water.
    • The kitchen is equipped with water-saving fixtures.
    • The home's high-efficiency appliances include an ENERGY STAR-labeled refrigerator and dishwasher.
    • The home's ultra-efficient, professionally installed comfort system incorporates filtered fresh air that is delivered throughout the home via leak-free, high-velocity, narrow-diameter ducts.

      Johns Island Custom

      Project Address

      Johns Island, SC

      Conditioned Square Footage
      2,085 sqft
      Number of Bedrooms
      3 Beds
      Number of Bathrooms
      2.5 Baths
      Number of Floors Above Grade
      1 Floor Above Grade
      Home Type
      Custom
      Climate Zone Temperature
      Hot
      Climate Zone Humidity
      Humid

      With PV

      HERS Index with PV
      1HERS (PV)
      Average Monthly Energy Bill PV
      $25Average Monthly Energy Bill (PV)
      Annual Energy Cost Savings with PV
      $3,200Annual Energy Cost Savings (PV)
      30 Year Savings with PV
      $136,00030 Year Savings (PV)

      Insulsteel

      ZERO

      HIA Year
      HIA Status
      Winner
      HIA Category
      Housing Innovation Award

      Learn More

      Key Features

      Key Features
      Air-to-water heat pump All-electric home Heat pump water heater Photovoltaics Structural insulated panel (SIP) walls or walls and roof Unvented insulated attic ACH 50 < 2.5 or CFM50/SF of enclosure ≤ 0.25 Central Manifold Plumbing Design

      Read the Case Study

      Testimonials

      Video Testimonial

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      Home owner (or occupant) Testimony
      We are extremely happy with the quality of construction, the energy savings, and the air quality of our new Amerisips home. We got in our first full-month electric bill after hooking up the two-way meter and it is $30.02. How’s that for green!
      Testimony Citation
      Homeowners Bill and Daphne

      Additional Media

      Finished Elevations

        Finished Interiors

          Other Images

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            Floor Plan