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Window to wall ratio-Existing Building

NC-v4 EAp2: Minimum Energy Performance
posted by Helena Garcia on Feb 20, 2023, 7:29 am

Dear LEEDusers,

A question related with the proposed and baseline building energy models for a BD+C project:

For an existing building where only single parts of the envelope will be...

Model service infrastructure for energy simulation

NC-v4 EAp2: Minimum Energy Performance
posted by Linh Dang on Feb 15, 2023, 5:17 am

Dear all

We are doing an energy simulation for a factory project and it has a wastewater treatment building using AC and OA fans. Now we only model the manufacturing building. So do we...

Scope of ASHRAE 90.1:2010 section 9, in what regards to existing external lighting

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Feb 7, 2023, 1:38 pm

In the context of a refurbishment, are the existing luminaires exempt from complying with the exterior lighting power and/or exterior lighting control requirements stated in ASHRAE 90.1:2010...

Last reply: Marcus Sheffer, Feb 7, 2023, 5:52 pm

ASHRAE 90.1:2010 Pipping insulation Table, note d. direct-buried heating and hot-water systems piping

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Feb 3, 2023, 4:56 am

Hello,

We’re currently involved in the LEED Certification of a new building to be built in Portugal. In what relates with pipping insulation, we have a doubt related with one of...

Last reply: Ricardo Sá, Feb 7, 2023, 11:34 am

Canadian ACP- NECB ASHRAE Exceptions Clarification

NC-v4 EAp2: Minimum Energy Performance
posted by Kristina K on Feb 2, 2023, 9:39 am

Hello,

In the statement below from the Canadian ACP - NECB, does the Bolded sentence mean that projects do not have to adhere to those specified sections of...

Last reply: Marcus Sheffer, Feb 2, 2023, 5:10 pm

System 2 as the baseline system for the whole project

NC-v4 EAp2: Minimum Energy Performance
posted by Amal Venugopal on Jan 21, 2023, 8:29 pm

We are doing the energy model for one of our projects. This project is a luxurious resort with LGF, GF, 1F & 2F will be located in KSA. Greetings!...

We have a question regarding the...

Last reply: Marcus Sheffer, Jan 27, 2023, 2:01 pm

Virtual DES Energy Rates

NC-v4 EAp2: Minimum Energy Performance
posted by Todd Tewksbury on Jun 22, 2017, 1:52 pm

When modeling district cooling and heating systems using Option 1, Path 1: ASHRAE 90.1-2010 Appendix G, the LEED Reference Guide instructs the following:
"If tariffs or rates are not...

Last reply: , Jan 6, 2023, 10:23 am

Clean room ventilation and systems- Process Load

NC-v4 EAp2: Minimum Energy Performance
posted by Luis Andrade on Dec 7, 2022, 11:43 am

Hi all,

I've been searching around the Q&A's given about the ventilation of laboratory / manufacturing spaces. However I am still not sure on how to address some issues. As such,...

Last reply: tan guan han, Dec 20, 2022, 9:18 am

Proposed interior lighting power allowance

NC-v4 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Dec 15, 2022, 10:26 am

Hello,

we’re currently involved in the LEED Certification of a new building to be built in Portugal. In what relates with energy performance, we have a doubt related with proposed interior...

Last reply: Marcus Sheffer, Dec 16, 2022, 11:28 am

Clean Room HVAC as process load?

NC-v4 EAp2: Minimum Energy Performance
posted by Maria Papiez on Apr 1, 2022, 1:21 pm

We are working on a project that includes spaces used to manufacture healthcare instrumentation in a clean room environment.  The client’s Engineering Standards as well as ISO 14644-1 Standard...

Last reply: Tyler Thumma, Dec 16, 2022, 10:19 am