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Is COMCheck an approved software for LEED purposes?

NC-2009 EAc1: Optimize Energy Performance
posted by Shannon Deeb on Nov 5, 2010, 12:12 pm

I see COMCheck listed in some of the links above but when I clicked the DOE Approved software link COM-Check doesn't appear on the list.

Last reply: Barbara McCrary, Nov 5, 2010, 12:29 pm

adding two G+2 retails buildings to the designed building

NC-2009 EAc1: Optimize Energy Performance
posted by Tarek Dalati on Oct 18, 2010, 4:11 am

we are working on a mixed use tower (80% residential and 20% office)and we applied to...

Last reply: Marcus Sheffer, Oct 22, 2010, 10:02 am

Treating Outdoor Air for System 4 in Humid Climates

NC-2009 EAc1: Optimize Energy Performance
posted by Evelyn Dicks, EI, CxA on Oct 21, 2010, 2:34 pm

My building type directs me to use System 4 - Pkgd DX...

Last reply: Kim Shinn, Oct 21, 2010, 2:48 pm

Modeling Proposed Airflow?

NC-2009 EAc1: Optimize Energy Performance
posted by Barbara McCrary on Oct 18, 2010, 4:23 pm

I started a previous thread on DX systems. Let me step back and see if anyone can help me with my larger question - Do we have to model the design airflow rate of our proposed system? A comment...

Last reply: Michael Tillou, Oct 19, 2010, 11:59 am

Modeling DX systems with set cfm/ton constraints

NC-2009 EAc1: Optimize Energy Performance
posted by Barbara McCrary on Oct 18, 2010, 1:48 pm

I was wondering if anyone had experience modeling DX systems in their proposed systems. I received a USGBC comment that the actual airflow had to be modeled, auto-sizing was not allowed. My...

Last reply: Michael Tillou, Oct 19, 2010, 11:49 am

Modeling targets and after M&V

NC-2009 EAc1: Optimize Energy Performance
posted by Ned Halling on Oct 12, 2010, 12:50 pm

We would like our proposed model to meet a minimum of 30% increased energy performance. After modeling, the potential increase is 44%. Is it possible to submit the credit showing a 30% increase...

Last reply: Marcus Sheffer, Oct 16, 2010, 10:04 am

Advanced Energy Design GUide for Small Hospitals- 50%

NC-2009 EAc1: Optimize Energy Performance
posted by Margaret Montgomery on Oct 13, 2010, 2:22 pm

THere's a new ASHRAE guide for small hospitals and healthcare facilities with prescriptive guidance for 50% energy reduction. I see that AEDG healthcare hasn't been included in the list of...

Last reply: Margaret Montgomery, Oct 14, 2010, 6:51 pm

Packaged terminal heat pumps

NC-2009 EAc1: Optimize Energy Performance
posted by V. Miller on Sep 23, 2010, 3:45 am

Does anybody know why the baseline COP's for Packaged Terminal HVAC equipment (HVAC systems 1-2 for residential) are less for larger capacities and lower for smaller capacities i.e. Using the...

Last reply: Michael Tillou, Sep 27, 2010, 10:28 pm

Heat Recovery in Baseline Model

NC-2009 EAc1: Optimize Energy Performance
posted by V. Miller on Sep 23, 2010, 6:18 am

Does anyone know what the official line is on baseline heat recovery is for constant volume HVAC systems with more than 5000cfm?

ASHRAE 90.1 G3.1.2.10 Exhaust Air Energy Recovery states...

Last reply: Michael Tillou, Sep 27, 2010, 10:12 pm

Green roof insulation value

NC-2009 EAc1: Optimize Energy Performance
posted by Emmanuel Pauwels on Aug 26, 2010, 8:07 am

We are integrating an extensive green roof in the project (7 cm of substrate) with sedum vegetation. Is there a way we can take credit for the insulation value of the roof in the energy...

Last reply: Mara Baum, Sep 8, 2010, 12:17 pm