[Equest-users] Huge envelope changes having small affect on energy savings

[Lee Chorney]

It is located in Boston, MA.

On Wed, Aug 22, 2012 at 12:52 PM, CleanTech Analytics <
jeremiah at cleantechanalytics.com> wrote:

> Is your building in a very mild climate with only a few days per year of
> extreme weather?
>
>
> *Jeremiah D. Crossett*
> *CleanTech Analytics*
> *503-688-8951*
> *www.cleantechanalytics.com* <http://www.cleantechanalytics.com>
>
>
> *
>
> This document may contain valuable information proprietary to CleanTech
> Analytics which is private and confidential. It may not be shared, copied,
> stored or transmitted in any form without the prior written consent of
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> *
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>
> On Wed, Aug 22, 2012 at 9:48 AM, Lee Chorney <leec at alliedconsulting.net>wrote:
>
>> Hi All,
>>
>>
>> I recently did a model where I had the same system in both base and
>> proposed but I changed the R-Value from 4 (base) to 20 (proposed). I also
>> changed the window U-value from .80 (base) to .35 (proposed). After I did
>> the run, I saw only a 5% savings between the heating and cooling use in the
>> model. When I looked at the loads I saw the base had twice as much cooling
>> and heating load than the proposed. Does any know why the energy savings
>> would only be 5% when you have a huge difference between the cooling and
>> heating loads?
>>
>> Thanks,
>>
>> Lee
>>
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