case study

HOME OWNER: Legend Homes | Annandale, Brentwood
HOME STYLE: SIngle family, 2 story, Custom
APPROX. SQ FT: 5,200
  • Energy Use - kilowatt-hour per year
    Energy Use - kilowatt-hour per year
    BEFORE: 78,230 kWh/yr
    AFTER: 61,529 kWh/yr
    Reduced: 21%
  • Energy Cost Savings
    Energy Cost Savings
    BEFORE: $3,954/yr
    AFTER: $3,248/yr
    Savings: $706/yr

  • HOW MY ENERGY SAVINGS AFFECTED THE ENVIRONMENT:

  • Pounds of coal saved per year
    Pounds of coal saved per year
     
    13,578 lbs.
  • Homes powered per year
    NUMBER OF HOMES POWERED PER YEAR
     
    1.5 Homes*
  • Electric cars powered per year
    Electric cars powered per year
     
    8 Cars
This house is ENERGY STAR Qualified by E3 Innovate. Built in the Annandale Subdivision by Legend Homes and is featured in the 2011 Parade of Homes Tour. This case study compares the home as it is built (high performance / energy efficient) to the same home if it were built to just meet code requirements.
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*Based on average U.S. Household kWh use in 2008 (eia.doe.gov)
Copyright E3 INNOVATE, LLC 2010