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Energy Recovery for Baseline Air Handling Units (LEED 2009)

NC-2009 EAp2:Minimum Energy Performance
posted by  Craig Hossfeld  on 

My proposed design has multiple AHUs supplied from a dedicated outside air AHU (DOAS) . The DOAS will be over 20,000 cfm and will have energy recovery.

1
Mon Feb 17, 2014, 9:47 am

Does a Party wall count for the Window to wall ratio?

NC-2009 EAp2:Minimum Energy Performance
posted by  Zonda E. Team  on 

Hi there, Im modelling a corner building, which has two adjacent buildings so only the façades facing the street are in contact with the exterior environment.

1
Mon Sep 14, 2015, 1:13 pm

IES ApacheHVAC - Proposed system for VRF

NC-2009 EAp2:Minimum Energy Performance
posted by  Alice chen  on 

Hi All, I am modelling a VRF system using ApacheHVAC in IES. But have no idea which prototype to choose.

0

Crawlspace and Attic Classification

NC-2009 EAp2:Minimum Energy Performance
posted by  Joseph Chappell  on 

I am working on an existing building renovation where there is a significant amount of building floor area that is crawlspace and attic area.

1
Fri Jun 16, 2017, 7:26 am

24-hour lighting

NC-2009 EAp2:Minimum Energy Performance
posted by  Bill Swanson  on 

I looked thru all 2000+ comments and didn't see this addressed. I have a hotel project with a pool, fitness room, vending/ice machines, ect.

1
Mon Mar 10, 2014, 7:05 pm

Window to wall ratio

NC-2009 EAp2:Minimum Energy Performance
posted by  Katherine Ann Resurreccion  on 

I’m working on project with two mid-rise buildings, one for the office and the other is for parking garage mostly are naturally ventilated.

1
Fri Mar 23, 2012, 12:53 pm

Unfinished Spaces Baseline and Proposed System

NC-2009 EAp2:Minimum Energy Performance
posted by  Phil Stafa  on 

Hello: I have a 3 story mixed use healthcare facility with offices, exam rooms, treatment rooms, research areas, and a surgical suite.

1
Tue Jul 19, 2016, 3:22 pm

Proposed case outside airflow rates

NC-2009 EAp2:Minimum Energy Performance
posted by  Cagril Comert  on 

Hi, Our office building is ventilated with a constant volume AHU and conditioned by VRF system. AHU supplies 100% fresh air to the spaces, while VRF system provides heating and cooling.

1
Tue Jul 11, 2017, 3:54 pm

Continuous Insulation and Appendix A

NC-2009 EAp2:Minimum Energy Performance
posted by  Paul Diaz  on 

I have wall assemblies with no cavity insulation but 3-4 inches rigid insulation outboard of structural sheathing. The wall is finished by a composite metal panel.

1
Thu Apr 24, 2014, 12:46 am
1
Wed Dec 8, 2010, 4:43 pm