RESNET Ratings provides a relative energy use index
called the HERS®
Index – a HERS Index of 100 represents the energy
use of the “American Standard Building” and an
Index of 0 (zero) indicates that the Proposed Building
uses no net purchased energy (a Zero Energy Building).
A set of rater recommendations for cost-effective
improvements that can be achieved by the Rated
Building is also produced.
RESNET standards encompass three areas:
- Software accreditation achieved by passing a
battery of software verification tests developed
by U.S. National Laboratories and RESNET
- Definition of knowledge base and skill sets that
a rater must demonstrate through passing an online
RESNET National Rater Test
- A quality assurance evaluation that features
each Rating Provider employing a certified Quality
Assurance Designee. The Quality Assurance Designee
must annually independently verify internal
consistency of a minimum 10% of all building input
files and independently field verify the accuracy
of a minimum of 1% of each certified Rater’s
homes
Hers index and Energy
Star Rating:
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