[Bldg-sim] LEED 2009 and Retail Core & Shell EAp2/EAc1

[Aaron Smith]

Chris,

I don't have much experience with packaged rooftop retail but you can check out ‎ASHRAE's 50% Advanced Energy Design Guide for Medium to Big Box stores.  It has recommendations for LPD, lighting controls, plug load controls, exterior lighting, HVAC, etc.  So yes, you probably can't get there with a HE rooftop and roof/wall insulation - lots of other strategies are probably required.  As yours is c+S, you'll want to have mandatory tenant requirements written into the lease too.  

Also, since it was published most of the major manufacturers have ‎released some slick single zone VAV rooftop units with VS compressors and ECM motors on evaporator and condenser fans.

Aaron 

Aaron Smith, P.Eng
M&R Engineering Ltd.

Sent from my BlackBerry 10 smartphone on the TELUS network.
  Original Message  
From: Martin Roy ing. LEED Fellow
Sent: Tuesday, August 26, 2014 15:21
To: Jones, Christopher
Cc: bldg-sim at lists.onebuilding.org
Subject: Re: [Bldg-sim] LEED 2009 and Retail Core & Shell EAp2/EAc1

Hi Christopher,

Other than energy recovery on the ventilation and 
using extended schedule I agree with you there is 
little option. And that is simulation 
saving. If there is demand ventilaiton installed 
on site the energy for heating the ventilaiton 
air is reduce a lot, more than what simulation gives us.

We did a lot of these CS big box retail and never 
went over 34% energy cost saving compare to MNECB 
and 32% compared to ASHRAE 90.1

Martin

At 09:50 2014-08-26, Jones, Christopher wrote:
>Content-Language: en-US
>Content-Type: multipart/alternative;
> boundary="_000_25F861E695EA99478F9790869A57C7D4DCC796catormsx02_"
>
>I am wondering how much success people have had 
>with Retail Core & Shell projects in terms of 
>EAp2/EAc1. It seems to me that the typical 
>large mall (250,000 ft2 or larger) with roof top 
>units presents little opportunity for energy 
>savings. I would appreciate some of your experiences.
>
>Thanks!
>
>Christopher Jones, P.Eng.
>Tel: 416.644.4226 • Toll Free: 1.888.425.7255 x 5527
>
>
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----------
Martin Roy, ing, LEED Fellow
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