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Forum discussion

NC-2009 EAp2:Minimum Energy Performance

Part Residence and Part Office

April Ambrose

Business Development Manager

Entegrity

LEEDuser Basic Member

154 thumbs up

December 3, 2012

I have a small facility (20k sqft or so) that is approximately 45% office and 55% "transitional" residential. I've modeled it as a residential with PTAC w/ HW Coil per zone, but I'm running into a couple of issues. 1. I'm not sure if modeling the zones as residential in the offices is truly appropriate. Should this be partially PSZ w/ furnace in the office zones? 2. The residential zones are so incredibly small, I'm getting a 2 kBtu load cooling load for each zone. PTACs can't be bought that small and the oversizing load is killing me in the proposed design. Any solutions?

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PAWAN DAHIWAL

LEEDuser Basic Member

7 thumbs up

Thu, 12/06/2012 - 07:26

from my perceptive,if i would be there, i would model residential system type for whole area which require conditioning (office+residential). For your second question i suggest you to refer ASHRAE section 3 (definations and acronyms). Check the capacity you reported for the spaces and model accordingly.

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