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Split System AC in an existing building

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Charles Marshall on Aug 14, 2019, 4:58 pm

We are working on a major renovation project that contains several split system AC units which will be replaced.  The owner doesn't have any record of the refrigerant volume that was charged for...

Last reply: Afogreen Build, Apr 29, 2024, 9:49 pm

Regarding no refrigerant option

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Nagaraj Sankar on Nov 1, 2023, 11:11 am

The project having spaces without cooling systems.In this case can we purchase no refrigerant option to achieve this credit.
Anyone please insists to move ahead on this scenario.
...

Last reply: Subhashkumar A, Nov 2, 2023, 12:47 am

Glycol for anti-freeze

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Lise Dannesboe on Jun 1, 2018, 10:20 am

Hi

In Denmark our chillers are located at the roof, where there in the winter is a risk of freezing. The refrigerant in the cooling units are ammonia.

I have not been able to find...

Last reply: Gustavo De las Heras Izquierdo, Nov 1, 2023, 12:40 pm

R32 Refrigerant

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Yodi Danusastro on Jan 24, 2018, 1:23 pm

Hi all. In the LEED form, the R32 refrigerant is not on the list. How to put it in form? Since its HFC refrigerant, the closest one is R410A, but R32 has better...

Last reply: Gustavo De las Heras Izquierdo, Nov 1, 2023, 12:17 pm

Commercial Refrigeration Systems

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Dave Hubka on Nov 20, 2021, 9:25 am

The LEED reference guide is quite misleading when it comes to commercial refrigeration systems. At first glance it appears that this only needs to be addressed if the project is registered as a...

Last reply: Deb Favaretto, Apr 27, 2023, 2:34 am

Cooling tower (no refrigerants) and some small units (with gwp > 10)

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Janine van den Kerkhof on Jan 30, 2023, 4:55 am

Hi all, 

Can we include the capacity of the cooling towers in the weighted average calculation? This will cover most of the cooling in our building. However we do need to include some...

Enhanced Refrigerant Management- Non-regular Refrigerant

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Song Zhang on Nov 18, 2022, 10:37 am

Hello all,

I have a LEED project which is utilizing R448A as the refrigerant for a Cold Storage System. Since R448A is not included in the default ozone depletion and global warming...

Last reply: Sara BENLOUBA, Nov 21, 2022, 10:25 am

Enhanced Refrigerant Credit

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Marco Burgos on Mar 2, 2022, 1:12 pm

We have a project served by a District Energy Plant.  The project has three Dx Mini split systems that are specified as standby systems and would only come on in case the chilled water plant is...

Last reply: Dave Hubka, Sep 27, 2022, 5:40 pm

Low-Impact Refrigerants

NC-v4 EAc6: Enhanced Refrigerant Management
posted by Martha Norbeck on Apr 1, 2021, 1:12 pm

We have dozens of refrigeration/freezer units with Low-Impact refrigerants. R-170, R-290, R-600a. The template doesn't offer this option. It would take an untold number of hours to chase down the...

Last reply: Maria Papiez, Aug 23, 2022, 7:36 pm

"Commercial Refrigeration" criteria- details requested

NC-v4 EAc6: Enhanced Refrigerant Management
posted by RDK E&S on Oct 16, 2019, 4:08 pm

Hi, 

I'm working on a manufacturing project that uses refrigeration systems to provide process-related cooling during the manufacturing. What is considered a "commercial refrigeration...

Last reply: Dave Hubka, May 5, 2022, 12:57 pm