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Fuel type for system-5 Packaged system with reheatNC-v4.1 EAp2: Minimum Energy Performanceposted by John on Apr 24, 2024, 2:21 am
Hi Folks, I am working on an energy model for non-residential building. The baseline system would be system-5 Packaged system with reheat. As per ASHRAE 90.1 Table G3.1.1B, the heating... Last reply: Tyler Thumma, Apr 24, 2024, 11:36 am |
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Baseline HVAC, Non-regulated loads and Exceptional Calculation Method for V4.1NC-v4.1 EAp2: Minimum Energy Performanceposted by on Dec 6, 2023, 9:54 pm
A 156,000 SF pharmaceutical production facility wants to pursue LEED v4.1. Building breakdown as follows:
Last reply: Tyler Thumma, Apr 5, 2024, 10:12 am |
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LEED point adjustment when ASHRAE 90.1-2019 is used as baselineNC-v4.1 EAp2: Minimum Energy Performanceposted by elvin ruya on Nov 3, 2022, 6:45 pm
Is there a direct correlation for LEED points when ASHRAE 90.1-2019 baseline is used instead of 2016? Last reply: Eric Dixon, Mar 18, 2024, 10:21 am |
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Preheat coil requirement in baselineNC-v4.1 EAp2: Minimum Energy Performanceposted by Samer Hassanie on Jan 31, 2024, 12:11 pm
Hi, It is not clear from G3.1.3.19 where the preheat coil should be placed. Is it upstream or downstream the economizer and the heat exchanger? Last reply: Samer Hassanie, Mar 4, 2024, 6:50 am |
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Using BPFs from ASHRAE 90.1-2022 instead of 90.1-2016NC-v4.1 EAp2: Minimum Energy Performanceposted by Mark Benson on Jan 29, 2024, 5:07 pm
In the November 2023 issue of ASHRAE Journal, members of the 90.1 committee stated that 60% of the BPFs in ASHRAE 90.1-2022 have become less stringent than those in 2019 and some are even less... Last reply: Mark Benson, Jan 30, 2024, 8:41 am |
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Desiccant Wheel Modeling for Baseline caseNC-v4.1 EAp2: Minimum Energy Performanceposted by John on Jan 2, 2024, 8:19 am
I am working on a model which has Desiccant wheel in design case. Do we need to model desiccant wheel in baseline case as well? I dont see any section related to this in ASHRAE 90.1, however, in... Last reply: John, Jan 10, 2024, 6:12 am |
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EAP2- air tightness testNC-v4.1 EAp2: Minimum Energy Performanceposted by Hafsa BOUCHFER on Oct 5, 2023, 10:10 amMarcus Sheffer LEED Fellow 7group / Energy Opportunities LEEDuser Expert 5903 thumbs up October 8, 2023- 11:09 am It appears that this question should be asked in the forum relative to the enhanced commissioning credit. Log in or register to post comments Hafsa BOUCHFER LEEDuser Basic Member October 9, 2023- 3:52 am thank you for your clarification, I have just published my question in the enhanced commissioning credit forum. Log in or register to post comments ... Last reply: Hafsa BOUCHFER, Oct 9, 2023, 3:52 am |
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PV and BatteryNC-v4.1 EAp2: Minimum Energy Performanceposted by Kristin Hernandez on Oct 4, 2023, 5:28 pm
I am working on a new construction project in California that required PV and battery per Title 24. Does this need to be accounted for in the energy model? Does anyone have experience... Last reply: Jamy Bacchus, Oct 8, 2023, 1:00 pm |
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LEED baseline model with proposed increased ventilation and pressurizationNC-v4.1 EAp2: Minimum Energy Performanceposted by Moses Chong on Sep 13, 2023, 6:03 pm
Has any one worked on LEED project that includes increased ventilation credit AND the project has an pressurization-based ventilation rate? What should I do with the baseline model? should I a)... Last reply: Tyler Thumma, Sep 29, 2023, 9:38 am |
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Natural Ventilation Modelling and Credit for savingsNC-v4.1 EAp2: Minimum Energy Performanceposted by Luis Andrade on Apr 11, 2023, 1:31 pm
Hi all, I've been searching around the LEED V2009, V4 and V4.1 EAp2 / c2 versions trying to find an answer to this problem, but I've encountered little information on how to model natural... Last reply: Tyler Thumma, Sep 29, 2023, 8:39 am |
