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AAMA ratings for U-Value vs. NFRC ratings

NC-2009 EAp2: Minimum Energy Performance
posted by Douglas Flandro on Nov 16, 2016, 5:03 pm

Our rep has given us AAMA ratings to determine the U-Value of the curtain wall assemblies. LEED seems to be asking for...

Last reply: Jean Marais, Mar 13, 2019, 10:37 am

Envelop Exterior /Interior Walls

NC-2009 EAp2: Minimum Energy Performance
posted by Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C on Feb 24, 2019, 6:42 pm

Hello everyone,

 Thanks in advance for your help! I understand that generally interior partition walls are not usually modeled, however I'd like some clarification this case. On the N and...

Last reply: Marcus Sheffer, Feb 25, 2019, 12:39 pm

Natural ventilation – modeling in Baseline

NC-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Feb 20, 2019, 4:38 am

Greetings,

The project that we are modeling has zones with natural ventilation LEED v2009).

As there is no such ventilation systems in the Baseline model (System 5), our idea is to...

Last reply: Marcus Sheffer, Feb 25, 2019, 12:34 pm

Energy sourse- pellets

NC-2009 EAp2: Minimum Energy Performance
posted by Vassil Vassilev on Feb 15, 2019, 1:46 am

Greetings,

Our project has as an energy source pellets – type agricultural crop or waste (sunflower waste).

Regarding the data entry in MEPC (Minimum Energy Performance Calculator...

Last reply: Marcus Sheffer, Feb 25, 2019, 12:32 pm

Area Weighted Average: White Roof, Green Roof, Sloped Roof with Metal Panel and Bulkhead

NC-2009 EAp2: Minimum Energy Performance
posted by Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C on Feb 19, 2019, 12:08 pm

Our project has three different types roof

1. Sloped roof with a centria metal panel
2. White Roof
3. Green Roof
4. Elevator bulkhead "roof"???

I am assuming that...

Last reply: David Eldridge, Feb 20, 2019, 1:01 pm

Heat Exchangers

NC-2009 EAp2: Minimum Energy Performance
posted by Osama Touni on Feb 20, 2019, 6:40 am

Greetings,

how can i confirm that the proposed Heat exchangers comply with LEED EAp 2 minimum energy performance ? and what is the requirement of ASHRAE 90.1.2007  fro the same material...

Last reply: Marcus Sheffer, Feb 20, 2019, 12:01 pm

System designation

NC-2009 EAp2: Minimum Energy Performance
posted by Jorge Lopez de Obeso on Feb 18, 2019, 12:54 pm

Hi everyone

We have this project that consists in Hotel and retail spaces, where the retail spaces are owned by the hotel but leased to third party. 

We are kind of lost selecting...

Last reply: Marcus Sheffer, Feb 19, 2019, 9:58 am

Modeling Refrigerant Economizer for Data Center- proposed model

NC-2009 EAp2: Minimum Energy Performance
posted by Maria Spastri on Jul 7, 2017, 6:07 pm

Hi,
We have an office building and it's data center room has a DX cooling with refrigerant economizer. Per the manufacturer's guidelines the approved performance compliance with T24 is by...

Last reply: Marcus Sheffer, Feb 5, 2019, 3:56 pm

LEED NC 2009 Documentation

NC-2009 EAp2: Minimum Energy Performance
posted by Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C on Feb 4, 2019, 4:44 pm

Hello,

For a LEED NC project, should construction EN documents be the baseline for input of all energy model inputs given that the model is best to be completed during the design phase of...

Last reply: Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C, Feb 5, 2019, 2:15 pm

DHW limitations

NC-2009 EAp2: Minimum Energy Performance
posted by Jorge Lopez de Obeso on Jan 16, 2019, 1:25 pm

Hi, I've been having some trouble regarding...

Last reply: Jorge Lopez de Obeso, Jan 22, 2019, 5:01 pm