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Baseline HVAC System Type

NC-v4 EAp2: Minimum Energy Performance
posted by Samer Hassanie on May 19, 2021, 5:09 pm

Hi,

If the proposed building has central heating and cooling systems consisting of heatpumps and chillers as the main sources of heat/chilled water in addition to purchased heat/chilled...

Last reply: Tyler Thumma, Jun 3, 2021, 10:45 am

Fluid integrated economizer for system 11

NC-v4.1 EAp2: Minimum Energy Performance
posted by Narguess Kh on Jun 29, 2021, 6:37 am

I am working on a data center which is located in climatic zone 4A. considering the size of computer rooms in this development, System type 11 should be used in computer rooms.

Based on...

Last reply: Tyler Thumma, Aug 3, 2021, 12:53 pm

DOASs provide outdoor air to more than one tenant

CI-v4 EAc3: Advanced Energy Metering
posted by CT G on Jul 12, 2021, 8:32 am

We're working on a project where the tenant occupies 2 floors in a 4 story-building. This building has DOAS units that supply OA to all 4 floors.

Should we include the energy metering of...

Last reply: Tyler Thumma, Jan 14, 2022, 2:42 pm

Cooling only system in Baseline case

Schools-NC-v4 EAp2: Minimum Energy Performance
posted by John on Aug 13, 2021, 2:41 am

Hi,

I am working on a school project and we are submitting for LEED. It comes under system-5. I have used the system-10 for unit heaters wherever applicable. My question is, when we have a...

Last reply: Tyler Thumma, Aug 20, 2021, 8:16 am

Different strategies in different rooms

NC-v4.1 EQc6: Interior lighting
posted by An Marc on Sep 21, 2021, 4:04 am

Our project (NCv4.1) consists of production area (regulary occupied) and office area.

Can we applay strategies 1(Glare Control),2(Color Rendering),3(Lighting Control) for production area...

Last reply: Emily Purcell, Jan 26, 2023, 3:57 pm

Air Curtains in ASHRAE/IES Standard 90.1-2019

NC-v4 EAp2: Minimum Energy Performance
posted by Nima Soltani on Oct 29, 2021, 7:56 am

Recent ASHRAE/IES Standard 90.1-2019 Updates include the possibility of installing an air curtain system instead of installing a Vestibule / Revolving Door Entrance.

Can this ruling be...

Last reply: Jamy Bacchus, Nov 22, 2022, 8:52 pm

Minimum Energy Performance

NC-v4.1 EAp2: Minimum Energy Performance
posted by Ayman Raouf on Nov 13, 2021, 12:21 am

I am having difficulty understanding the modelling requirements for this prerequisite. 

Option 1 Whole Bulding Energy Simulation requires an energy simulation model to be done. It states...

Last reply: Marcus Sheffer, Dec 5, 2022, 4:21 pm

Energy French regulation equivalence

NC-v4.1 EAp2: Minimum Energy Performance
posted by Axel Verger on Nov 26, 2021, 2:40 am

Hi everyone,

I'm new with LEED but I have some experience in English...

Last reply: Marcus Sheffer, Apr 28, 2022, 11:08 am

Are toilets considered occupiable?

NC-v4 EQp1: Minimum indoor air quality performance
posted by Timothy Ian Middleton on Dec 2, 2021, 3:32 am

We have a factory project with some rooms where I am not sure about their classification as "occupiable" or not. Specifically they are "dirt removal" and "cleaning" rooms. I am still working out...

Last reply: Fotis Kotsopoulos, Dec 13, 2021, 4:26 am

If filtration requirement (#1b) is met, is it necessary to provide calculations for #1c?

Pilot-Credits INpc155: Design for Indoor Air Quality and Infection Control
posted by Irene García Sáez on Dec 23, 2021, 3:34 pm

Hi everyone! I'm pursuing this pilot credit for a LEED v4 NC office building. The ventilation system and equipment have been carefully designed, so the ventilation rates are above the minimum...

Last reply: Kristina K, Apr 5, 2022, 4:00 pm