What is the ASHRAE Standard 140?

What is Anansi/ASHRAE 140-2017?

  • ANSI/ASHRAE Standard 140-2017 Standard Method of Test for the Evaluation of Building Energy Analysis Computer Programs These standard test procedures apply to building energy computer programs that calculate the thermal performance of a building and its mechanical systems.

What is the confidence interval in ashashrae 140?

  • ASHRAE standard 140 suggests a confidence interval, which describes a reasonable threshold of economic uncertainty. It means the energy analysis of software disagreements within this range would result in relatively insignificant utility cost disagreements based on principal fuel charges.

How well do PHPP results match ASHRAE 140?

  • For a total of 38 test cases described by ASHRAE 140, PHPP results were within the confidence interval of the reference software for all but one case, which modelled the impact of a south window overhang on cooling energy demand. PHPP V9.6 Validation using ANSI/ASHRAE Standard 140-2017 vi

image-What is the ASHRAE Standard 140?
image-What is the ASHRAE Standard 140?
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