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Equipment efficiencies / DX Cooling Coil EER and COP

NC-2009 EAp2:Minimum Energy Performance
posted by  F S  on 

Hi all.

Question about ASHRAE 90.1 Baseline equipment efficiencies.Project is using System 5 with a Load of around 400kBtu/h.  Table 6.8.1A shows the minimum efficiency to be 9.8

2
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F S
LEEDuser Basic Member
0 thumbs up
Mon Nov 6, 2017, 6:59 am

is there a compliance path for multiple baselines?

NC-2009 EAp2:Minimum Energy Performance
posted by  Courtney Royal  on 

Can LEED v2009 projects (which has ASHRAE 90.1-2007 baseline) demonstrate compliance using ASHRAE 90.1-2013? Is there any adjusted point scale which can be applicable for such projects?

5
Wed Nov 1, 2017, 7:15 pm
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Decreasing Baseline Capacities for Unmet Load hours

NC-2009 EAp2:Minimum Energy Performance
posted by  F S  on 

Hi All,

My question is basically about how much can you decrease the baseline capacities without going to far - that might call Red flags.

1
Thu Oct 26, 2017, 7:12 pm
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EnergyPro DOE-2 Output Report: system and plant throttling range %

NC-2009 EAp2:Minimum Energy Performance
posted by  Maria Spastri  on 

Hi all,

1
Thu Oct 26, 2017, 7:20 pm

Fan demand output is less than Fan power input

NC-2009 EAp2:Minimum Energy Performance
posted by  Indochine Engineering VN  on 

Hi LEED experts,

1
Thu Oct 26, 2017, 1:46 pm
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Table 1.4.7B - Proposed Air-Side HVAC System Schedule - Outdoor Airflow cfm

NC-2009 EAp2:Minimum Energy Performance
posted by  Maria Spastri  on 

Hi,

I need a couple of clarificaitons regarding the Outdoor Airflow that has to be listed in Table 1.4.7.B of the proposed systems. The project is located in California.

3
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Maria Spastri
Sustainability Consultant
AECOM
LEEDuser Basic Member
0 thumbs up
Wed Oct 25, 2017, 7:58 pm

LEED V2009 NC - DES Option 1 in Energy Model

NC-2009 EAp2:Minimum Energy Performance
posted by  SSN Energy Model  on 

Hi,

1
Thu Oct 19, 2017, 2:58 pm

Modeling low flow fume hoods in a Lab

NC-2009 EAp2:Minimum Energy Performance
posted by  Joyce Kelly  on 

Owner wanted all fume hoods operating with 100cfm 24:7.

3
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Joyce Kelly
Architect - Cx Provider - Building Performance Specialist
GLHN Architects & Engineers
LEEDuser Premium Member
25 thumbs up
Wed Oct 18, 2017, 8:12 pm

DES or NO DES?

NC-2009 EAp2:Minimum Energy Performance
posted by  Aru Sau  on 

In this project, we have one office, two plants signed up for LEED Campus.

5
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Aru Sau
LEEDuser Basic Member
4 thumbs up
Tue Oct 17, 2017, 2:49 pm

Gas vented fireplace

NC-2009 EAp2:Minimum Energy Performance
posted by  Carlos Vazquez  on 

I have a project were there is a 24,000 Btuh gas vented fireplace. Is a wall device mostly radiant heater (70-75%) with a glass panel which does not have a fan.

4
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up
Tue Oct 10, 2017, 5:16 pm