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LEED v4.1 Service water-heating system with DES purchased heat

NC-v4.1 EAp2: Minimum Energy Performance
posted by Manuel Romera Molina on Nov 19, 2024, 5:23 am

Hello everybody,

Regarding the Baseline Service Water-Heating System, both Table G3.1.1-2 in Standard 90.1 - 2016, as well as the statements in Table 3 "Changes in ASHRAE 90.1 Performance...

Errors in v4.1 MEPC Excel Sheet

NC-v4.1 EAp2: Minimum Energy Performance
posted by Junaid Mujahid on Oct 28, 2024, 2:22 am

What is the best way to resolve errors with the v4.1 MEPC? The "Quality Assurance Checks" tab is reporting values which are inconsistent with the "Performance Outputs" tab due to which other...

Last reply: Tyler Thumma, Nov 8, 2024, 8:18 am

Laboratory Spaces baseline system in warm climate and proposed building is electrified heating

NC-v4.1 EAp2: Minimum Energy Performance
posted by Russell Knudson on Sep 17, 2024, 5:08 pm

For a project within warm Climate Zones 0 to 3A, and that has a "metal shop" space that requires more than 15,000 CFM, is it a correct reading that the baseline system serving those spaces shall...

Last reply: Marcus Sheffer, Sep 26, 2024, 11:51 am

Standard for the baseline of the cold storage in a factory

NC-v4.1 EAp2: Minimum Energy Performance
posted by Michael on Sep 11, 2022, 1:40 pm

My factory project has cold storage (10oC) and a freezer (-13oC). For the factory, we use ASHRAE 90.1-2016 as normal but for the cold storage and freezer, what is the standard to set up the...

Last reply: Marcus Sheffer, Sep 12, 2024, 1:49 pm

GHG Savings for single energy source project

NC-v4.1 EAp2: Minimum Energy Performance
posted by Omar Elrawy on Sep 10, 2024, 3:04 am

Can I assume that my 40% energy savings is also 40% in...

Last reply: Jamy Bacchus, Sep 10, 2024, 10:11 am

Baseline- Unconditioned Spaces

NC-v4.1 EAp2: Minimum Energy Performance
posted by Alvaro Twose on Sep 3, 2024, 11:17 am

Hello everyone,

According to ASHRAE 90.1-2010 and 2016 the following assumptions are described for the Baseline path definition (Appendix G):

  1. Building Envelope is defined as...

Last reply: Marcus Sheffer, Sep 6, 2024, 11:33 am

Baseline lighting and lighting controls

NC-v4.1 EAp2: Minimum Energy Performance
posted by Samer Hassanie on Oct 26, 2021, 3:57 am

in the forum. Thank you all in advance! Log in or register to post comments Tyler Thumma 7Group LEEDuser Expert 66 thumbs up September 5, 2024- 7:59 am Correct. This is because ASHRAE 90.1-2016 Appendix...

Last reply: Tyler Thumma, Sep 5, 2024, 7:59 am

Baseline Building DCV

NC-v4.1 EAp2: Minimum Energy Performance
posted by Luis Andrade on Feb 2, 2024, 10:36 am

Hi everyone,

I'm currently performing a PRM assessment of an Office building. ASHRAE 90.1 - 2016 has condensed in its appendix G all prescriptive information to model the Baseline building...

Last reply: Luis Andrade, Jul 26, 2024, 12:52 pm

Heat recovery HVAC

NC-v4.1 EAp2: Minimum Energy Performance
posted by Josef Andersen on Jul 11, 2024, 7:32 am

Hi!

We are currently discussing a design solutions for the HVAC in a project that should fulfill LEED requirements. 

The discussion is ongoing wether we should have a...

Last reply: Josef Andersen, Jul 12, 2024, 3:17 am

Ecology Unit in Mechanical Design

NC-v4.1 EAp2: Minimum Energy Performance
posted by Mu'ath Ad on Jul 4, 2024, 9:22 am

5903 thumbs up July 5, 2024- 10:30 am Your question is not appropriate for this particular forum. From an energy perspective such an air cleaning device would be considered a process load and simply...

Last reply: Marcus Sheffer, Jul 5, 2024, 11:24 am