See all forum discussions about NC-2009 EAp2

Subscribe to new posts about NC-2009 EAp2 Post a new question aboutNC-2009 EAp2

See LEEDuser’s guidance on NC-2009 EAp2»

FAQs about EAp2 :

The project is built on a site with existing exterior lighting installed. How should this be accounted for?

Can mezzanines open to floors below be excluded from the energy model?

How do I provide a zip code for an international location?

For a project outside the U.S., how do I determine the climate zone?

For a project outside the U.S., how do I determine the Target Finder score?

Do hotel rooms need automatic light shut-off control?

How commonly are the 90.1 mandatory compliance forms submitted as part of EAp2/EAc1?

The Section 9 space-by-space method does not include residential space types. What should I use?

Can the Passive House Planning Package (PHPP) be used to energy model for LEED?

Is it acceptable to model a split-type AC with inverter technology compressor as a heat pump, like modeling VRF?

Can the Trace 700 'LEED Energy Performance Summary Report' by uploaded to LEED Online in lieu of the Section 1.4 tables spreadsheet?

A portion of our building envelope is historic. Can we exclude it from our model?

Which baseline HVAC system do I use if my building has no heating or air conditioning?

For an existing building, do I need to rotate the model?

Our project has a diesel backup generator. Should we include it in our energy model?

Our project has a large process load—75%. Despite our efforts to make an efficient HVAC design, the cost savings are minimal. What can we do to earn this prerequisite and be eligible for LEED certification? Is there any flexibility in how we model the p

Can SHGC be higher in the proposed than in the baseline model?

Our process load is higher than 25%. Do we have to justify that?

Do I need to justify the electrical and fuel rates I am using in my model?

Our local code references ASHRAE 90.1-2010. Should I use that for my documentation, or 90.1-2007?

View answers »

Forum discussion

NC-2009 EAp2:Minimum Energy Performance

minimum air flowrates in Baseline Case

Charline SEYTIER

CEO, Co-owner.

ThemaVerde, France

LEEDuser Basic Member

15 thumbs up

February 25, 2014

Hi, We are in the process of responding to the comments we received from the reviewers on the energy model of one of our project performed with eQuest. The reviewer is asking us to provide an input report showing that the minimum air flow rates for the VAV systems in our baseline model were modeled correctly. (ASHRAE 90.1-2007 Section G3.1.3.13 requires that the minimum volume setpoints for the VAV reheat terminal units are modeled at 0.4 cfm per square feet, unless this reduces the outside air rate below the minimum value.) We don't seem to find any input reports showing clearly the min airflowrates in CFM/SF. Do you know any eQuest input reports that could be provided to the reviewers? Thanks!!

Post a reply

Jorge Torres-Coto

Building Systems Commissioning Engineer

Empirical Engineering, LLC

LEEDuser Basic Member

14 thumbs up

Tue, 02/25/2014 - 17:57

in the Air Side HVAC section you can probably do a screen shot of either the spreadsheet TAB or the summary TAB. It has worked for me in the past if you want to provide the DOE documents give them SV-A, it summarizes the MIN-FLOW per zone

Marcus Sheffer

LEED Fellow

7group / Energy Opportunities

LEEDuser Expert

4454 thumbs up

Wed, 02/26/2014 - 18:37

You should combine the spreadsheet tab screen capture with a narrative explanation of how you have incorporated this into your model since the 0.4 is not a direct input.

Add new comment

To post a comment, you need to register for a LEEDuser Basic membership (free) or login to your existing profile.