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Energy Performance on Air Structured Dome

NC-v4.1 EAp2: Minimum Energy Performance
posted by Thomas Jangaard on Dec 11, 2024, 2:07 pm

Hello,

The majority of our project footprint is a permanent air supported dome sports facility and have not been able to find precedent of such projects earning certification.

We...

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

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

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

Fuel type for system-5 Packaged system with reheat

NC-v4.1 EAp2: Minimum Energy Performance
posted 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

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