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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 López 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 López de Obeso on Jan 16, 2019, 1:25 pm

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

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

Building connected to CCHP plant- Energy performance results report

NC-2009 EAp2: Minimum Energy Performance
posted by Ricardo Sá on Jan 16, 2019, 10:02 am

Hi,

we're currently working on a project that is connected to a CCHP plant. HVAC thermal needs (cooling and heating) are supplied by the referred plant. Due to this, in terms of energy...

Last reply: Marcus Sheffer, Jan 22, 2019, 11:23 am

Using Trane Trace for Solar PV Modeling

NC-2009 EAp2: Minimum Energy Performance
posted by Bo White on Jan 11, 2019, 6:53 pm

Our building will have on-site (and dedicated campus) solar PV, and we're using Trane's Trace program for our ASHRAE 90.1 energy model. However, Trace doesn't seem to have one definitive solar PV...

Last reply: Marcus Sheffer, Jan 14, 2019, 2:30 pm