[Bldg-sim] LEED EA Prerequite 3

[Erik Dyrr]

R-22 is an HCFC and thus meets the requirements of the prerequisite.  It is
difficult to meet the requirements of the Enhanced Refrig credit, but it
will pass the prereq.

On Tue, Feb 23, 2010 at 10:04 AM, amit bhansali <amitbhansali7 at gmail.com>wrote:

> Hello Bldg-Sim community,
> We are doing Energy Modeling for a LEED project. They currently have R-22
> (HCFC) refrigerant in their chiller. EA Prerequisite states that
>  " When reusing existing base building HVAC equipment, complete the
> comprehensive CFC phase out conversion prior to completion of project". A
> table follows two pages later stating the refrigerants with their ODP, GWP
> and applications. The table shows that R-22 is HCFC, i understand that R-22
> is going to be phased out and only recycled could be used in future where
> the replacement with other refrigerants is not economically feasible (more
> than 10 yeras of payback) but does the prerequisite means that HCFC
> refrigerants like R-22(not sure if this is considered same as CFC's ??) has
> to be phased out before completion of project to satisfy the prerequisites
> for EA credits in LEED .
>
> Any help in this regard is appreciated.
>
> --
> Thanks
>
> Sincerely,
> Amit Bhansali, M.S. , EIT
> Commissioning Engineer
>
> Command Commissioning, LLC
> 8410, Sterling St
> Irving, TX  75063
>
> Office :(972)-929-1199 (Ext:328)
> Mobile: (+1)972-207-5180
>             (+1)405-312-1047
>
> www.command-cx.com
>
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