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Which number should i follow in energyplus results related to unmet hours ( Time Setpoint Not Met During Occupied , Time Not Comfortable Based on Simple ASHRAE 55-2004) ??As the two numbers are different.

asked 2020-09-29 07:41:14 -0500

Amr_ gravatar image

please, if anyone can help me with that. I wanna indicate the unmet hours from my simulation and there are two different numbers and the difference is very large.

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BUT for what purpose? If LEED submission: Sum of Time Setpoint Not Met During Occupied Heating / Cooling. But every data has it own worthy meaning!

Ag gravatar image Ag  ( 2020-10-02 10:20:23 -0500 )edit

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answered 2020-09-29 15:16:31 -0500

Typically the unmet hours you'd want to indicate are from the Comfort and Setpoint Not Met Summary table, Time Setpoint Not Met During Occupied Heating/Cooling. These are the unmet hours reported by CBECC-Com software, for example.

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@ericmartinpe Thank you all ... and do you think that the number of not met hours during occupied cooling/ heating must agree with the hourly data in the CSV file that exceed the thermostat setpoint ??

Amr_ gravatar image Amr_  ( 2020-10-03 10:26:22 -0500 )edit

I don't believe the hourly data you're outputting to CSV is accounting for occupancy, so I would not expect them to match. If you only count unmet hours when the building/space is occupied, then it should match.

ericmartinpe gravatar image ericmartinpe  ( 2020-10-03 13:23:51 -0500 )edit

Thank you @ericmartinpe

Amr_ gravatar image Amr_  ( 2020-10-05 06:22:46 -0500 )edit

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Asked: 2020-09-29 07:41:14 -0500

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Last updated: Sep 29 '20