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Baseline system type for project that will retain part of an existing HVAC system

NC-v4 EAp2: Minimum Energy Performance
posted by Camilo Velez on May 4, 2024, 12:16 pm

Hi all,

We are working on an existing small project (35,000 SF approx) that is going through a major renovation, where most of its systems are being updated, including new AHUs, however,...

Last reply: Tyler Thumma, May 7, 2024, 8:34 am

Simulating Daylighting Controls

CS-v4 EAp2: Minimum Energy Performance
posted by Paula Hernandez on Apr 29, 2024, 7:39 am

Hello,

We have to simulate “daylighting controls” for a space with skylights and side-lighting.

I am using HAP 5.11 to make the energy simulation, which will need an exceptional...

Last reply: Tyler Thumma, May 7, 2024, 8:28 am

Low Mercury Lamps

NC-2009 IDc1: Innovation in Design
posted by Michelle Rosenberger on May 18, 2017, 2:56 pm

It has always been my understanding, underscored by the LEEDuser LEED...

Last reply: Catarina Costa Goncalves, May 7, 2024, 4:50 am

Tips for selecting product categories:

NC-v4.1 EQc2: Low-emitting materials
posted by Marcelo Alencar Pereira on May 6, 2024, 4:34 pm

What are your opinions on the four product categories that are most conducive to obtaining LEED EQ Credit: Low Emitting Materials, in version 4.1 (BD+C)? Factors to consider include market...

Last reply: Maria Porter, May 7, 2024, 2:34 am

Need More attention to Cleaning

LEED v5 O&M Existing Buildings Public Comments
posted by Brian Rauch on May 6, 2024, 2:06 pm

The draft version of LEED v5 for existing buildings (1)undervalues cleaning in the weighting process, (2)eliminates the prerequisite for systems and worker training, and (3) does not provide a...

Perimeter induction unit interpretation in 62.1 MZCal

NC-v4 EQp1: Minimum indoor air quality performance
posted by Chanyang Shin on Mar 31, 2016, 8:10 am

A project is provided with perimeter induction units with internal coils for cooling and heating. Central dedicated 100% outdoor air handling unit feeds the induction units with fresh air, and...

Last reply: Stephani Carter, May 6, 2024, 2:17 pm

Expiration of product declarations

LEED v5 BD+C/ID+C: Materials and Resources Public Comments
posted by Dave Hubka on May 6, 2024, 10:11 am

Please provide clear and consistent guidance with respect to the expiration of product declarations. 

My preference would be to allow certifications that were current when specified to...

Low Emissions? for Structural Wood

CI-v4.1 EQc2: Low emitting materials
posted by Summer Gorder on Oct 11, 2023, 2:05 pm

We are talking with a Wood manufacturer for CLT and Glulam and we have gone through the painful process of...

Last reply: Adrienne Lynn, May 3, 2024, 4:05 pm

Existing base building fixtures

CI-v4 EQc6: Interior lighting
posted by Omar Elrawy on Jun 23, 2021, 11:31 pm

We have an interior fit-out project, in which we are trying to comply with Option 2 (A, B, C, and D)

Currently we are retaining existing...

Last reply: Michelle Bombeck, May 3, 2024, 4:11 pm

GHG Emission parameters

NC-v4 EAp2: Minimum Energy Performance
posted by A&L SUSTENTABILIDADE on May 3, 2024, 4:02 pm

I have some questions regarding greenhouse gas (...

Last reply: Tyler Thumma, May 7, 2024, 9:29 am