62MZ calculator in version 4 LEED

robert feduik

LEEDuser Basic Member

0 thumbs up

December 29, 2013

Has this calculator been changed for use in NC-v4 EQp1 versus the one used in LEED 2009? For new construction, are there any other prerequisites or credits that require the use of this tool in the submission process?

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Dylan Connelly

Mechanical Engineer

Integral Group

LEEDuser Expert

342 thumbs up

Wed, 01/15/2014 - 20:36

Robert, LEEDv4 uses the new ASHRAE ventilation code so the LEED 2009 calculator doesn't work any more. You can download the new form here: http://www.usgbc.org/resources/minimum-indoor-air-quality-performance-calculator There are some issues with it still - hopefully the USGBC will be updating it in the near future. For example - adding/subtracting lines is buggy and nearly impossible even with macros enabled, it also doesn't do the +30% calc for you.

Anaïs P

LEEDuser Basic Member

2 thumbs up

Wed, 05/11/2016 - 12:29

Hello! It seems to me that the Minimum Indoor Air Quality Performance Calculator has some problems: for a 100% outdoor air system and for multiple zone system, cells of the column N don't do the calculation. Does anyone has already see this problem? How can I resolve it?

Izabela Kwiecinska

Gleeds Polska

LEEDuser Basic Member

1 thumbs up

Fri, 04/28/2017 - 08:10

Hi. We have the same problem withe the column N in the calculator v03. How have you solved this?

Rasita Masalskyte

Vesta Consulting

LEEDuser Basic Member

3 thumbs up

Mon, 07/10/2017 - 11:38

I solved it simply by typing the Ez values by hand, not from the drop-down list.

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62MZ calculator in version 4 LEED

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