[Bldg-sim] [Ibpsausa] DOE Job Task Analysis for EnergyModelers: Open for public comment until Nov. 28th

[Varkie C Thomas]

Michael: I am retired and I think like someone who lived in days when there was no LEED certification and no energy code compliance.  Since the first ASHRAE Std.90 came out, most if not all commercial buildings in the US were designed for energy efficieny.  The last sentence should have read "The importance of building energy analysis appears to be inflated relative to the total building design because of the amount attention given to it by lawmakers".  Example - DOE Job Task Analysis for Energy Modelers.  Energy efficient buiding design is important both in education and practice but it is just one small subject in the A-E design process. I am now a Research Professor with CoA Ph.D. program at IIT specializing in this minor topic. Varkie


----- Original Message -----
From: "Michael A. Eustice" <MAEustice at htlyons.com>
Date: Friday, November 18, 2011 11:04 am
Subject: RE: [Bldg-sim] [Ibpsausa] DOE Job Task Analysis for EnergyModelers: Open for public comment until Nov. 28th
> My experience is different than yours Varkie.  We often need to 
> simulate buildings to a high level of accuracy (too high in my 
> opinion) in order to obtain state and federal rebates and 
> incentives.  An entry level designer will most likely not be able 
> to hit those targets and I would even say most staff level 
> engineers would have a difficult time.   It takes some senior 
> level engineering to understand how the building systems operate; 
> what is a normal result; and most importantly, how the program is 
> going to react when the inputs are changed. 
> 
> I guess if the output reports are not reviewed with any scrutiny 
> and the targets have a wide range of acceptance, you could hand it 
> off to an entry level engineer.  But hitting an electric and 
> natural gas utility bill, month-to-month and a yearly overall, 
> simultaneously within +/- 10% accuracy will take a senior level 
> understanding.  Also, it�s not the time that is important as much 
> as the ability to do it.  The cost to my company for my time to 
> perform the simulation is irrelevant compared to the rebates and 
> incentives that will be unavailable, and as a consequence the 
> construction project that won�t move forward,  if the simulation 
> can�t be performed. 
> 
> Michael 
> 
> 
> The importance of building energy analysis is inflated. 
> Varkie Thomas 
> 
> 
> 
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