[Equest-users] Increased Energy for Cooling with Increasing Insulation and Decreasing Infiltration

[CleanTech Analytics]

I have seen similar in Energy Plus and was surprised at first, but came to
realize insulation does a good job at heating, as does reduction of
infiltration, but for cooling insulating above code and a tight building
can trap heat.
Question, does your model have large internal gain> if so this would
explain it..


*Jeremiah D. Crossett*
*CleanTech Analytics*
*503-688-8951*
*www.cleantechanalytics.com* <http://www.cleantechanalytics.com>


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On Sun, Jun 10, 2012 at 10:02 PM, Daniel Wright <dwright2 at pratt.edu> wrote:

> Hello all,
>
> I am a relatively new eQuest user and am encountering some non-intuitive
> results.
>
> If I make an eQuest model for a default building using just the default
> values for everything, and then use the Energy Efficiency Measurement
> Wizard to increase the insulation (roof or wall) or decrease the
> infiltration, I see the annual energy used for heating decrease in both
> cases (which I would expect), and the cooling energy increase in both cases
> (which I wouldn't expect). I've tried this for two of the default building
> types (Two story office building and Mutifamily low rise) and two different
> climates (LA and NYC), and get the same results. I've also seen the same
> behavior in other building models that I've created that differ in many
> respects to these default cases.
>
> Can someone please explain how this is possible?
>
> Dan
>
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