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Air leakage through revolving door

NC-2009 EAp2: Minimum Energy Performance
posted by Claes Engström on Jan 26, 2011, 9:38 am

Hi !

According to building envelope compliance documentation Part I, revolvning doors should have air leakage less than 1,0 cfm/ft2.
A manufacturer of revolving doors informed me...

LPD part of mandatory provisions?

NC-2009 EAp2: Minimum Energy Performance
posted by Tatjana Ernst on Jan 26, 2011, 5:01 am

Hi everyone,

i am wondering if the interior lighting power is also restricted by LEED. Do we have to show compliance with the table 9.5.1 or 9.6.1 in ASHRAE? Or do we only use the tables...

Last reply: Ricardo Sobral, Jan 26, 2011, 7:04 am

Modelling Variable Refrigerant Flow (VRF) HVAC systems' hardship

NC-2009 EAp2: Minimum Energy Performance
posted by Ricardo Sobral on Jan 20, 2011, 5:17 pm

We have encountered several difficulties performing energy simulations with VRF / VRV systems. It seems that both eQUEST and Energy Plus do not have the possibility to simulate such systems....

Last reply: Julia Weatherby, Jan 21, 2011, 11:36 am

EA P2- ASHRAE 90.1 Compliance & Building Simulation

NC-2009 EAp2: Minimum Energy Performance
posted by Rodrigo Perez on Nov 24, 2010, 10:56 am

We’re working on a two stories building that is seeking LEED NC v3 certification. This building considers two vegetal strategies on its design.
1. The first one is a deciduous vineclimb...

Last reply: Marcus Sheffer, Jan 21, 2011, 10:03 am

Battery Storage

NC-2009 EAp2: Minimum Energy Performance
posted by Annette Bellafiore on Dec 14, 2010, 3:15 pm

We are working on a project that will have an on-site battery storage system that collects energy from a rooftop solar array. The building is also connected to the grid. Has anyone had experience...

Last reply: Tristan Roberts, Jan 10, 2011, 6:42 pm

Target Finder outside the US

NC-2009 EAp2: Minimum Energy Performance
posted by Alicia Villanueva on Jan 5, 2011, 9:11 am

We are working on several LEED projects in Mexico and we were wondering if there is an alternative to using the energystar website to complet the target finder in the form. We are using whole...

Last reply: Tristan Roberts, Jan 10, 2011, 6:35 pm

EAp2 Option 1 Whole Energy Simulation- % of improvement

NC-2009 EAp2: Minimum Energy Performance
posted by Mary Frances Stotler on Jan 4, 2011, 10:57 am

Hi,

Wehre working on a project that will consist of a new 310,000 industrial facility attached to an existing 150,000 warehouse. Based on EAp2 new percentages for energy improvements are...

Last reply: Tristan Roberts, Jan 10, 2011, 6:30 pm

data center that is equiped only 2 storey out of 5 storeys?

NC-2009 EAp2: Minimum Energy Performance
posted by Eric JS on Dec 16, 2010, 11:16 am

Hi all,

For a data center that is equiped only the first 2 storeys out of total 5 storeys for the first few years, how should the energy calculation be done? should I include energy...

Last reply: Christopher Schaffner, Jan 3, 2011, 10:31 am

How to model an Air to water heat pump inverter in equest.

NC-2009 EAp2: Minimum Energy Performance
posted by Santiago Guerci on Nov 17, 2010, 9:02 am

I would appreciate if someone could help me into modeling this equipment with equest software.
I don`t know wich kind of system i have to use.

For the baseline it is system 7...

Last reply: Marcus Sheffer, Dec 8, 2010, 11:50 am

Insulation R values for cold climate

NC-2009 EAp2: Minimum Energy Performance
posted by Margaret Montgomery on Dec 1, 2010, 5:34 pm

We have an interesting question posed by a project team member. The project is in Alaska, where the temperature is more often 0 F than 75 F (with about 13000 HDD). The insulation material being...

Last reply: Marcus Sheffer, Dec 8, 2010, 11:43 am