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Air-Cooled Chiller Efficiency Compliance with ASHRAE 90.1-2016 and LEED v4.1

NC-v4.1 EAp2: Minimum Energy Performance
posted by Amgad Khattab on Feb 3, 2025, 2:05 am

We are working on a project pursuing LEED v4.1 certification using the Appendix G Performance Path. The air-cooled chiller in our design complies with the IPLV (Integrated Part Load Value)...

Last reply: Tyler Thumma, Feb 24, 2025, 7:55 am

Rainwater management

NC-v4 SSc4: Rainwater management
posted by Ahmed Hamed on Sep 7, 2024, 2:59 pm

how to Calculate runoff volume to be managed on site giving rainfall data?

High priority site

NC-v4 LTc3: High priority site
posted by Ahmed Hamed on Sep 2, 2024, 4:02 am

  • How to apply Priority Designation option outside the U.S

Last reply: Andrey Kuznetsov, Sep 4, 2024, 10:27 pm

Baseline for unconditioned building

NC-v4 EAp2: Minimum Energy Performance
posted by Amgad Khattab on Aug 21, 2024, 2:43 am

we have a dormitory building with mechanical ventilation (treated with cooling to reach 20 C and a CAV reheat terminal ) only associated with ceiling fans, shall we model the baseline with no...

Last reply: Marcus Sheffer, Aug 21, 2024, 10:49 am

Rating System Selection [ID+C or BD+C]

LEED Rating System Selection
posted by Amgad Khattab on Aug 16, 2023, 6:15 am

We have a project with the following description:

- the building is 10 floors and the owner renting the whole building.

- The Building envelope construction is complete.

-...

Last reply: Andrey Kuznetsov, May 9, 2024, 6:22 pm

TVOC ranges

NC-v4.1 EQc2: Low-emitting materials
posted by Karim Farah on Jan 24, 2024, 4:46 pm

Hello,

I am seeking clarification on a specific requirement mentioned in LEED V4.1 EQ Credit: Low Emitting Materials, specifically on page 235. The document mentions that...

Last reply: Denise Bevilaqua, Jan 24, 2024, 6:39 pm

Water Calcultion for Commerical ID+C project

CI-v4 WEc1: Indoor water use reduction
posted by Amgad Khattab on Aug 16, 2023, 7:51 am

We have a project with the following :

- Tenet space has not any WC [Toilets] in the tenet space. but they are using the WC in the core area.

Hint:

- the building containing...

Last reply: emily reese moody, Aug 17, 2023, 2:03 pm

core and shell data center

Data-Centers-NC-v4 EAp2: Minimum Energy Performance
posted by Amgad Khattab on Jul 16, 2023, 4:23 am

Hi everyone,

I'm working on a LEED project for a core and shell data center. The client has not yet purchased the servers, so we don't have any information about their efficiency. I'm...

Last reply: Amgad Khattab, Jul 17, 2023, 1:46 pm

Option 2:Only CO2 sensors

CS-v4 EQc1: Enhanced indoor air quality strategies
posted by Dina El-Sady on Apr 11, 2022, 6:48 am

The project is totally mechanically ventilated .I am choosing adding CO2 sensors in dense areas for option 2 for additional...

Last reply: Michelle Rosenberger, Apr 13, 2022, 10:12 am

Preparing concept HVAC requirements

NC-v4 EAc2: Optimize Energy Performance
posted by Dina El-Sady on Nov 30, 2021, 9:48 am

Is it a must to start a simple box energy model for a new project to extract HVAC requirements to acheive a certain level of energy savings?

Oe is there a guide that can be used to extract...

Last reply: Marcus Sheffer, Nov 30, 2021, 10:06 am