[Equest-users] window heating and cooling unit

[deepika khowal]

discard the earlier email.

 but there has to be some system to analyse the savings... I am modelling a
sunroom with 85% glazing.and analyzing what will be impact of using
switchable glazing instaed of regular glass.
thanks Gary

Deepika

On Tue, Oct 19, 2010 at 3:44 PM, deepika khowal <deepika.khowal at gmail.com>wrote:

> ya true... but there has to be some system to analyse the savings... I am
> modelling a sunroom with 86
> 5 glazing.
> thanks Gary
>
> Deepika
>
>   On Tue, Oct 19, 2010 at 3:33 PM, <
> Gary.Schrader at buildings.schneider-electric.com> wrote:
>
>>    Using eQuest to model a single 240 sq. ft. space with a window unit is
>> a bit like using a backhoe to dig a hole for a plant in your flower garden.
>> From a technical perspective, PTAC is the closest thing that comes to a
>> window unit, but as to whether or not you use a heat pump or not is totally
>> dependent upon whether or not you want to analyze your window performance
>> with a PTHP or a PTAC with strip heat. Unless I’m not fully understanding
>> what it is you are trying to model…
>>
>>
>>
>> While I have not used them, (we are not in the residential business) there
>> are some residential energy calculation tools that probably would be much
>> more appropriate for a micro-scale project like this. I defer to the other
>> eQuesters who may have more knowledge in this area than me…
>>
>>
>>
>> Thanks,
>>
>> Gary
>>
>>
>>
>> _______________________________________________________________________________________________________________________
>>
>> *Gary Schrader* | *Schneider Electric *| *Buildings Business* | *Energy
>> Solutions *| *Engineer I*
>> *Phone:* +1 913 217 8068 | *Fax: *+1 913 469 0206
>> *Email: *gary.schrader at buildings.schneider-electric.com | *Site: *
>> www.schneider-electric.com/buildings | *Address: *16011 College
>> Boulevard, Suite 212, Lenexa, KS 66219, USA
>>
>> *** Please consider the environment before printing this email.
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>>
>> *From:* equest-users-bounces at lists.onebuilding.org [mailto:
>> equest-users-bounces at lists.onebuilding.org] *On Behalf Of *deepika khowal
>> *Sent:* Tuesday, October 19, 2010 5:13 PM
>> *To:* equest-users at lists.onebuilding.org
>> *Subject:* [Equest-users] window heating and cooling unit
>>
>>
>>
>> I am modeling a small space of 240 sf and want to use window /wall unit
>> for both heating and cooling . I am analysing the performance of windows in
>> different climate zones.
>>
>> So does anyone know which system should be used for that.
>>
>> I was checking the pacakaged terminal heat pump system with dx coil
>> cooling and heat pump heating.
>>
>> other system was dx coil cooling and electric coil heating with packaged
>> terminal AC.
>>
>> not very sure how to model these.
>>
>> any help is highly appreciated.
>>
>> Regards
>>
>> Deepika
>>
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