[Equest-users] Heat Pump Efficiencies

Carol Gardner cmg750 at gmail.com
Wed Mar 24 09:12:00 PDT 2010


I also found some formulas when tooling around in the archives the other day
and could love to get comments, if any about their utlity:

EIR=(1/EER-0.012167)/((1/3.413)+0.012167)
and
EIR=((1/SEER*0.778+1.4)-0.012167)/((1/3.413)+0.012167)

Anyone remember these that knows the source and utility? Is there one for
HSPF?

Carol

On Wed, Mar 24, 2010 at 7:50 AM, Bassam Yammine <byammine at flowgroup.ca>wrote:

>  Hi Michael, to modify the EIR (which is in Btu/Btu) in the detailed mode,
> click on the Air-Side HVAC icon at the top of your screen, then double click
> on the heat pump. Under the cooling and heating tabs you will find a Unitary
> Power tab where you can change your EIR.
>
>
>
> Regards,
>
> Bassam
>
>
>
> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *M. Shields
> *Sent:* Wednesday, March 24, 2010 6:59 AM
> *To:* equest-users at lists.onebuilding.org
> *Subject:* [Equest-users] Heat Pump Efficiencies
>
>
>
> Hi All,
>
>
>
> I am still fairly new to equest and I am having a bit of trouble with
> setting up my HVAC.  I created a building model using the equest wizard and
> now I have made a number of changes within the detailed DOE2 interface.  The
> building uses air source heat pumps for the HVAC and I would like to change
> the EER/COP values without going back to the wizard, but I cannot figure
> where these values are stored.  Is there an easy way to make changes like
> that within DOE2?
>
>
>
> Thanks,
>
> Michael Shields
>
>
>
> ____________________________
> Michael Shields
> Facility Strategies Group
> 2222 Gold Hill Road, Suite 5
> Fort Mill, SC 29708
> Phone: 803-493-4507
> Fax: 803-548-2511
> Email: mshields at fstrategies.com
>
>
>
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