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Baseline fan motor efficiency

NC-v4 EAp2: Minimum Energy Performance
posted by Simon Dellacher on Aug 20, 2020, 4:25 am

System fan power is calculated per ASHRAE 90.1-2010 Appendix G3.1.2.10, where for the systems 3 through 8 fan motor efficiency is part of the formula. The standard says "Fan Motor Efficiency= the...

Last reply: Simon Dellacher, Aug 31, 2020, 4:18 am

Reg: Data Center Start Up IT Load Energy Model

NC-v4 EAp2: Minimum Energy Performance
posted by Rajesh Balachander on Aug 13, 2020, 11:34 pm

Hi 

I was filling up the minimum energy performance calculator (Choosing a DC). The final performance output sheets asks me to fill in the start up IT load energy consumption for both the...

Baseline HVAC system for existing building

NC-v4 EAp2: Minimum Energy Performance
posted by Ying Lindsey on Aug 7, 2020, 4:54 pm

Dear All, 

I am working on a project which has two parts, A & B. Part A is an existing building with a new fenestration system and piping system, but all other systems are existing....

Last reply: Marcus Sheffer, Aug 11, 2020, 9:38 am

ASHRAE 90.1-2013 or ASHRAE 90.1-2010?

NC-v4 EAp2: Minimum Energy Performance
posted by Abhinay Sharma on Aug 5, 2020, 4:48 pm

Hello,

Our project is going for LEED v4 BD+C: NC so the energy model is based on ASHRAE 90.1-2010 in which the baseline HVAC system type is based on the proposed heating fuel type. However...

Last reply: Marcus Sheffer, Aug 5, 2020, 4:59 pm

Test temperature tolerances for unmet load hours

NC-v4 EAp2: Minimum Energy Performance
posted by Nikos Tsitsikas on Jul 28, 2020, 10:47 am

Hi all,

I was wondering if I could pick someone's brains regarding the unmet hours test when running an energy model for ASHRAE 90.1 App. G compliance.

So far we have been sticking...

Last reply: Marcus Sheffer, Aug 3, 2020, 9:04 am

Automatic daylight responsive controls for sidelighting AHSRAE 90.1

NC-v4 EAp2: Minimum Energy Performance
posted by Tien Duong on Jul 29, 2020, 5:32 am

Hi All,

In term of mandatory of ASHRAE 90.1, The lighting in the sidelighting must use photocontrols to change the general lighting level in the primary sidelighted area to reduce the...

Last reply: Tien Duong, Jul 29, 2020, 6:54 pm

Energy Model guideline for laboratory building- LEED v4 BD+C

NC-v4 EAp2: Minimum Energy Performance
posted by Amal Venugopal on Jul 29, 2020, 6:53 am

Hi All,

Is there any ASHRAE 90.1.2010 Appendix G Energy Model guideline for laboratory building?

Thanks..

Last reply: Marcus Sheffer, Jul 29, 2020, 9:36 am

How to achieve minimum savings in energy consumption in a naturally ventilated project with high miscellaneous loads?

NC-v4 EAp2: Minimum Energy Performance
posted by Jose Antonio Kovacevic on Jul 27, 2020, 4:31 pm

We are currently working on a naturally ventilated project located in Lima, Peru and we are having problems achieving the minimum 5% saving in energy consumption for the energy prerequisite. The...

Last reply: Marcus Sheffer, Jul 28, 2020, 1:05 pm

USGBC Alternative Energy Code Checklist

NC-v4 EAp2: Minimum Energy Performance
posted by Judhajit Chakraborty on Jul 21, 2020, 12:50 pm

Hello,

I have a question regarding an elusive USGBC document regarding a "mandatory checklist for USGBC approved alternative energy code" and is mentioned in some of its articles regarding...

Last reply: Judhajit Chakraborty, Jul 22, 2020, 1:30 pm

DES Proposed Case Default Efficiencies

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Jul 10, 2020, 10:10 am

Dear All,

 
According to the section “Further Explanation” of the LEED Web guide, projects that are served by district energy systems (...

Last reply: Marcus Sheffer, Jul 10, 2020, 12:57 pm