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My house rated 5 stars with the original NatHERS software. Will it have the same rating under AccuRate?

April 26, 2017accurate House nathers original rated rating Software stars

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My house rated 5 stars with the original NatHERS software. Will it have the same rating under AccuRate?

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Not necessarily. AccuRate and all the second generation tools simulate features of a dwelling that NatHERS software simply could not. The number of climate files has more than doubled and the assumed behaviour of the “standard family” has changed. These differences mean that ratings may change between first and second generation software tools.