Log in
Forum » CS-2009 EAp2
Topic

Air Cooled Chiller Vs Water Cooled Chiller With Dry Air Cooler

CS-2009 EAp2: Minimum Energy Performance
posted by Ciaran McCabe on Aug 19, 2016, 11:14 am

Has anyone any feedback in modelling either of these two chillers in a 90.1 Energy model. Are people finding that the large fans in the dry air cooler adds a significant additional electrical...

Building Area Method- highlighting merchandise

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jul 27, 2016, 6:59 am

For a building I have to use the Building Area Method (ASHRAE 90.1-2007, 9.5.1) because some calculations were already developed through that method and now changing the method would be...

Last reply: Marcus Sheffer, Jul 27, 2016, 9:49 am

ACP % calculation

CS-2009 EAp2: Minimum Energy Performance
posted by Charalampos Giannikopoulos on Jul 15, 2016, 2:57 pm

For the calculation of the % of energy cost influenced or directly controlled by CS Owner/Developer would the the latter be compared to the total energy cost of the proposed and not the baseline...

Last reply: Marcus Sheffer, Jul 19, 2016, 11:50 am

ASHRAE requirements for dry-coolers

CS-2009 EAp2: Minimum Energy Performance
posted by Agnieszka Rylska on Jun 29, 2016, 9:30 am

Cooling system in our project (shopping mall) consists of dry-coolers sprayed with water. What are ASHRAE efficiency requirements for dry-coolers? Should they be qualified as air-cooled...

Last reply: Agnieszka Rylska, Jul 4, 2016, 3:38 am

Mechanical System by Future Tenant

CS-2009 EAp2: Minimum Energy Performance
posted by Andrew Chan on Jun 30, 2016, 1:09 pm

We have an office core/shell project that we are considering for certification. The Owner may want to just design a small mechanical unit to service the restrooms and not much more. The future...

Last reply: Marcus Sheffer, Jul 1, 2016, 9:54 am

HVAC modelling for Tenant Occupied Spaces

CS-2009 EAp2: Minimum Energy Performance
posted by Saumendra Aggrawal on Jun 17, 2016, 5:45 am

I am working on a project, which is going for LEED C&S. The project has tenant occupied space, which has designed HVAC system for it. I want to know if there is any provision for modelling...

Last reply: Marcus Sheffer, Jun 19, 2016, 4:52 pm

% of Glazing & Floor Area Base Case vs Project

CS-2009 EAp2: Minimum Energy Performance
posted by Dana Guzman on Jun 10, 2016, 11:36 pm

Hi, I am new to LEED and looking at the energy model submitted by our consultant for the compliance on EAp2. I have a basic question. Should the base case scenario and the real project be...

Last reply: Christopher Schaffner, Jun 16, 2016, 11:00 pm

Base Case vs Project Case

CS-2009 EAp2: Minimum Energy Performance
posted by Dana Guzman on Jun 14, 2016, 6:19 pm

Hi, can you kindly clarify whether the glazing percentage and floor area for the base case needs to match the project case when reviewing compliance for EAp2?

Elevator lobby as vestibule- ASHRAE Standard 90.1

CS-2009 EAp2: Minimum Energy Performance
posted by Paul Deinhofer on Jun 8, 2016, 3:01 am

Hi,

I have a question concerning the the function of a elevator lobby as a vestibule.
Regarding to Standard 90.1, every building entrance that separate cond. space from the exterior...

Last reply: Marcus Sheffer, Jun 9, 2016, 11:22 am

ACP / developer control percentage penalizes existing buildings?

CS-2009 EAp2: Minimum Energy Performance
posted by Jareb Ketay on Jun 8, 2016, 5:46 pm

I've done a number of Core and Shell models before, and always use the ACP calculator. However, something that I've noticed before but never understood is why the Revised Point threshold column...

Last reply: Marcus Sheffer, Jun 9, 2016, 10:40 am