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Credit for Biofuels in EA p2 and EA c2

NC-2009 EAp2: Minimum Energy Performance
posted by SAMY Chamy on Dec 18, 2018, 4:17 am

Dear All,

Good Day !

We have used agricultural waste - rice husk as biofuel in Steam boiler. We have enough documents to claim it in...

Last reply: Marcus Sheffer, Jan 7, 2019, 1:14 pm

Proposed case fans cycling with loads during occupied hours

NC-2009 EAp2: Minimum Energy Performance
posted by Gurneet Singh on Nov 12, 2018, 8:27 am

We are working on a residential project in climate zone 4A served by water loop heat pump system for heating and cooling. The baseline system is PTAC with fans running continuously throughout the...

Last reply: Jean Marais, Dec 12, 2018, 4:58 am

On-site energy generation for EAp2 minimum energy performance compliance

NC-2009 EAp2: Minimum Energy Performance
posted by Gurneet Singh on Dec 11, 2018, 7:24 am

Hello everyone,

We are working on campus project with two buildings. For compliance of minimum energy performance, the individual building compliance is required as per multiple buildings...

Last reply: Marcus Sheffer, Dec 11, 2018, 9:57 am

Energy Performance Calculator- Group Approach

NC-2009 EAp2: Minimum Energy Performance
posted by Praveenbabu Rajkumar on Dec 10, 2018, 5:40 am

Hi All,

We are working in LEED NC v2009 project which is having multiple buildings and the project is going Group approach method.

Now we are trying to fill energy performance...

Last reply: Marcus Sheffer, Dec 10, 2018, 12:38 pm

Existing Building Glazing Details

NC-2009 EAp2: Minimum Energy Performance
posted by Pramod Naik on Nov 30, 2018, 8:22 am

Dear all,

I'm working on modeling of existing library building. I don't have existing glazing details. Do I have to go for unlabeled vertical fenestration (table 8.2 of ASHRAE 90.1...

Last reply: Marcus Sheffer, Nov 30, 2018, 9:59 am

Baseline HVAC System Type

NC-2009 EAp2: Minimum Energy Performance
posted by Michael Hammond on Nov 22, 2018, 5:23 am

Hi all,

When selecting the baseline HVAC system type via Table G3.1.1.A, does the fuel source for service water heating also need to be taken into consideration? For example, the proposed...

Last reply: Michael Hammond, Nov 26, 2018, 4:10 am

Building system types vs square footage and non-predominant uses

NC-2009 EAp2: Minimum Energy Performance
posted by Richard Mathews on Jul 11, 2012, 5:31 pm

I'm working on a project that totals approximately 178,000 sf, of which approximately 140,000 sf is office space (3 stories tall), with the other 38,000 sf being conditioned manufacturing space....

Last reply: Marcus Sheffer, Nov 20, 2018, 1:35 pm

Modeling an Elevator with Glass Enclosure with an exterior Curtain Wall

NC-2009 EAp2: Minimum Energy Performance
posted by Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C on Nov 15, 2018, 10:11 am

Good morning. I am modeling an Elevator with Glass Enclosure with an exterior Curtain Wall and trying to figure out what is the best approach to  (1)accommodate/capture the glass...

Last reply: Marcus Sheffer, Nov 16, 2018, 12:13 pm

Modeling curtain walls

NC-2009 EAp2: Minimum Energy Performance
posted by Fatou Jabbie, | BSc. Comp. Sci. | MSc. Sustainability Management | LEED AP BD+C on Nov 15, 2018, 9:58 am

Good morning, I'd like to know if anyone can share there best approach to modeling a curtain wall. On the S and W facades, our project has a 22ft tall and 90ft wide curtain wall (shadowbox,...

Last reply: Marcus Sheffer, Nov 15, 2018, 2:58 pm

Cooling tower fan power

NC-2009 EAp2: Minimum Energy Performance
posted by Saif Abdulameer on Dec 1, 2016, 11:26 am

Hi all,

I am modeling a cooling tower the fan meets the requirement of Appendix G, but I am not sure what is the fan power should be used for the baseline, Should I use the same as...

Last reply: Marcus Sheffer, Nov 5, 2018, 3:21 pm