[Equest-users] [Bldg-sim] Fwd: Epact model - windows as horizontal band

Patrick J. O'Leary, Jr. poleary1969 at gmail.com
Fri Sep 21 14:22:14 PDT 2012


from my understanding when the irs reviews epact tax deductions they a) 
audit the firm(s) claiming the deduction in full, not just the epact 
claim, and b) hire qualified people (i.e. licensed engineers, lighting 
people, etc) to review the supporting documentation models, calcs, 
certification letter, site installed equipment measurements, etc.

my experience with banding the windows is that it can, depending on your 
actual window orientation, give you a bit more percentage saving.  it 
can of course also take a way a bit of a percent if more of your window 
space is moved to orientations where you have less solar heat gain in a 
predominantly cooling climate, but living in a predominantly cooling 
climate i've gained (and not just epact) and extra percentage point or 
so when i have banded the windows.  probably works the same way for 
heating in a predominantly heating environment but i haven't tried 
simulating that case.


On 9/21/12 3:18 PM, Nick Caton wrote:
>
> Rohini & others:
>
> I have on occasion referenced more recent errata, addenda, and 
> versions of standards to justify practices without incident under LEED 
> and COE reviews for energy modeling.  I think so long as you are 
> keeping a level playing field between your proposed/baseline and not 
> somehow regressing the model's degree of representation, you ought to 
> be fine.
>
> That said, let me take this into a related tangent:  who reviews EPAcT 
> models?  Has anybody run into this yet?  I find it hard to suggest 
> anything is "safe" considering....
>
> To my understanding, documentation for EPAcT deductions of any sort 
> remain in everyone's filing cabinets until an audit should occur.  
> Such model(s) would therefore only be called into question if the 
> individual/company claiming the tax deductions were audited.  In such 
> a case, would the IRS engage an independent, 3^rd party staff (i.e. 
> LEED's reviewership) for reviews, or hire/train their own internal 
> branch?  Would that review process incorporate a comment/response 
> opportunity to make amends if the reviewer finds something they 
> disagree with, or would the deduction be simply rejected?  What 
> implications would that have for those signing off on the EPAcT 
> documentation?
>
> Such questions and grey areas have kept me from pursuing EPAcT 
> modeling with any particular gusto...  Has anyone run through a review 
> process, or otherwise know what procedures are or will be in place for 
> such audit scenarios?
>
> ~Nick
>
> cid:489575314 at 22072009-0ABB**
>
> **
>
> *NICK CATON, P.E.***
>
> SENIOR ENGINEER
>
> Smith & Boucher Engineers
>
> 25501 west valley parkway, suite 200
>
> olathe, ks 66061
>
> direct 913.344.0036
>
> fax 913.345.0617
>
> www.smithboucher.com__
>
> *From:*equest-users-bounces at lists.onebuilding.org 
> [mailto:equest-users-bounces at lists.onebuilding.org] *On Behalf Of *R B
> *Sent:* Tuesday, September 18, 2012 9:46 AM
> *To:* eQUEST Users List
> *Subject:* [Equest-users] Fwd: Epact model - windows as horizontal band
>
> Did not hear anything from the Bldg-sim list, so hopefully someone 
> from the equest list can shed some light.
>
> Does anyone know if we have to redistribute the windows in a 
> horizontal band for Epact modelling, or can addendum a on 90.1 2004 
> can be used to ignore this requirement? I really don't want to spend 
> time changing windows in detailed mode if that can be avoided. The 
> models are already existing, so cannot use the wizard. This is for 
> just HVAC modelling (no envelope/lighting changes).
>
> Thanks
>
> -Rohini
>
>
>
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