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Modeling Multifamily Residential Building

NC-v4 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Feb 19, 2025, 9:41 am

Greetings,

We are in a process of developing an energy model for a multifamily residential building.

Although that a single dwelling unit can be modeled as one thermal zone, we are...

Last reply: Marcus Sheffer, Feb 19, 2025, 3:37 pm

Skylight > 5% of roof area

NC-v4 EAp2: Minimum Energy Performance
posted by Junaid Mujahid on Nov 27, 2024, 8:40 am

If the skylight area is greater than 5% of the...

Last reply: Marcus Sheffer, Feb 13, 2025, 12:34 pm

Regd. glazing U value to be considered as per ASHRAE 90.1 2010

NC-v4 EAp2: Minimum Energy Performance
posted by Anurag Ghosh on Feb 11, 2025, 2:33 am

Hi All,

I just want to get clarified for a glazing U value that we have received from a vendor. The technical datasheet from vendor specifies 2 U values i.e. Ug for winter & Ug for...

Last reply: Marcus Sheffer, Feb 11, 2025, 11:32 am

Regd. heating system in a hospital with predominant cooling system

NC-v4 EAp2: Minimum Energy Performance
posted by Anurag Ghosh on Feb 7, 2025, 3:37 am

Hi All,

I need some clarification on a query. We have a hospital project where there is predominant cooling and AHUs with monsoon reheat in CAV boxes downstream. All the reheat coils are...

Regd. ASHARE 90.1 version to be selected while swapping LEED V.4 to LEED V 4.1

NC-v4 EAp2: Minimum Energy Performance
posted by Anurag Ghosh on Feb 6, 2025, 5:25 am

Hi all,

We are woking on a datacente project registered under LEED V4 following ASHRAE 90.1 2010. Now, we have the option to swap certain credits(including minimum energy using performance...

Last reply: Anurag Ghosh, Feb 6, 2025, 11:01 am

Does a Data Hall should be modeled with an Air Economizer in Baseline

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jan 30, 2025, 3:33 pm

Hi, 

I am working on a Data Center Project in Chicago and the...

Last reply: Shashank Singh, Jan 31, 2025, 1:17 am

Baseline Building Information not availiable

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jan 22, 2025, 5:40 pm

Hi, I am working on LEED ID+C project in which we do not have any info regarding COP of chiller, Fan Flow, Fan power, Pump power etc. So what should I do to input that? Should I use the same...

Last reply: Marcus Sheffer, Jan 27, 2025, 5:22 pm

EV Charger Energy

NC-v4 EAp2: Minimum Energy Performance
posted by Cory Duggin on Nov 19, 2021, 3:10 pm

Does the energy use for EV chargers have to be included in the energy model if you are going after the Electric Vehicles credit?  I thought I had read somewhere that EV charger energy was...

Last reply: William Poveda, Jan 14, 2025, 11:11 am

How to Model OA if the Outdoor unit selected is bigger than Min OA

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jan 3, 2025, 6:25 pm

Hi, 

WHat is the right way to model OA for LEED if Outdoor unit selected is bigger than what we sized for, for example for an RTU if the Min OA sized is 16,000 CFM but we selected...

Last reply: Rajat Wadhwa, Jan 10, 2025, 2:54 pm

Modeling Baseline system for an Aquatic center

NC-v4 EAp2: Minimum Energy Performance
posted by Rajat Wadhwa on Jan 3, 2025, 6:28 pm

Hi , I am modeling an aquatic center for LEED V4, with the floor having radiant heating , what should be the baseline system for radiant heating for floors in baseline?

TIA

...

Last reply: Rajat Wadhwa, Jan 10, 2025, 2:53 pm