The HERS Index considers the Whole House working together to determine how each home stacks up.
These inspections use visual, infrared imaging and other testing to gather data. Each home has a Blower Door Test to measure and identify energy stealing drafts and infiltration. Each HERS Rating takes part in a Quality Assurance Review Program.
In 2013, one of every two new homes in the US was valued by the builder enough to place a HERS Index on it.
The HERS Index results in a score for each home. The scale starts at Zero. A Score of Zero means this home uses no net energy from the grid on an annual basis. The scale is set so that a score of 100 is a home that meets 2006 standards. The highest score I have had is 384 for a home with no insulation and extremely drafty with lots of leaks.
The HERS Score allows a Home Buyer to compare the features between two homes from the same builder or homes from different builders. It allows Builders to attach a value to additional insulation, air sealing or high efficiency equipment.
Since 1995 RESNET has assisted Home Builders and Home Buyers to make informed choices about the energy efficient features of a new home. RESNET was formed by representatives of the Home Mortgage Industry and the National Association of State Energy Offices to establish an industry standard measure of efficiency in homes.
The Free Enterprise Approach to Energy Efficiency
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More Information Contact – The Energy Guy
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