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Sea Water Cooled Chiller Modeling

NC-v4 EAp2: Minimum Energy Performance
posted by Sefa Sahin on Apr 26, 2017, 7:53 am

Marcus Sheffer LEED Fellow 7group / Energy Opportunities LEEDuser Expert 5867 thumbs up April 26, 2017- 9:45 am I think this would be possible with some type of water cooled condenser. Without going into the program and trying to figure it out I can't give you a step-by-step set of instructions. For LEED if it can't be modeled directly a work around would be required. If it is required make sure to follow G2.5 and provide a thorough narrative describing the work around. You might also consider posting your question on the eQUEST users forum at onebuilding.org. Someone there would be more likely...

Last reply: Marcus Sheffer, Apr 26, 2017, 9:45 am

Demolished and rebuilt envelope

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Apr 15, 2017, 6:26 am

If the envelope is demolished and then rebuilt with the same shape does Table G3.1 part 5., baseline, point f apply? It states: "For existing building envelopes, the baseline building design...

Last reply: Marcus Sheffer, Apr 17, 2017, 10:25 am

Treatment of District or Campus Thermal Energy in LEED v4

NC-v4 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Mar 7, 2017, 7:30 am

Can the document "Treatment of District or Campus Thermal Energy in LEED V2 and LEED 2009 – Design & Construction" be used also for LEED v.4? Any news about an updated version of that...

Last reply: Marcus Sheffer, Apr 17, 2017, 10:24 am

Energy Modelling- Australia

NC-v4 EAp2: Minimum Energy Performance
posted by Quentin Jackson on Apr 13, 2017, 3:05 am

We have a Green Building Council in Australia that has a very advanced energy simulation methodology that achieves the same outcomes as the ASHRAE 90.1 process outlined in LEED. It is also well...

Last reply: Marcus Sheffer, Apr 13, 2017, 10:56 am

Air Barrier for Existing Building

NC-v4 EAp2: Minimum Energy Performance
posted by Martin Meehan on Apr 11, 2017, 6:23 am

Hi all,

This query follows on a similar theme to the previous topic.

We are working on an existing building that is intending to improve the envelop performance by internally adding...

Last reply: Marcus Sheffer, Apr 11, 2017, 9:29 am

Elementary School

NC-v4 EAp2: Minimum Energy Performance
posted by K Nakamura on Mar 14, 2017, 4:54 pm

Is there any special considerations for a project registered (v2.2) and designed 10 years ago is now being constructed. V2.2 and v2009 have expired so we need to register it for v4. However,...

Last reply: Marcus Sheffer, Mar 15, 2017, 9:25 am

Motor efficiency in 50Hz countries

NC-v4 EAp2: Minimum Energy Performance
posted by André Harms on Feb 21, 2017, 8:13 am

In response to the ASHRAE 90.1:2007 mandatory requirements for the efficiency of 60Hz motors, some had used the European IE2 standard for 50Hz motors and demonstrated equivalency. The ASHRAE 90....

Last reply: Marcus Sheffer, Feb 21, 2017, 8:44 am

Updates Differences Between 90.1-2007 and 90.1-2010

NC-v4 EAp2: Minimum Energy Performance
posted by John Krutko on Dec 19, 2016, 4:52 pm

Does anyone have a link to a concise list of the differences between 90.1-2007 and 90.1-2010?

Last reply: Marcus Sheffer, Dec 22, 2016, 10:16 am

Thank you USGBC for Energy Performance Calculator

NC-v4 EAp2: Minimum Energy Performance
posted by Jean Marais on Dec 14, 2016, 2:15 am

Thank you USGBC for Energy Performance Calculator. I remember the days before...where you had to make your own more or less whilst fumbling through projects. I've not tested this, but it looks...

Code is surpassing 90.1-2010

NC-v4 EAp2: Minimum Energy Performance
posted by Amrit Kaur on Dec 5, 2016, 8:59 am

In a Jurisdiction where code is surpassing ASHRAE 90.1-2010 LEED buildings are required (by code) to meet the more stringent requirements but measure their energy score based improvement from...

Last reply: Marcus Sheffer, Dec 5, 2016, 10:12 am