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Spreadsheet for Data Centers
NC-2009 EAc1:Optimize Energy Performanceposted by Ricardo Marques on
Hi, I can´t find the spreadsheet “A Data Center Power Train 1-150170-11A”. I want the latest version the spreadsheet available.
Central Plant Chilled Water + Onsite electric HW boiler
NC-2009 EAc1:Optimize Energy Performanceposted by Ramana Koti on
Dear all, I'm modeling an all electric university building that is 32,000 sf/5 floors with chilled water from a central plant and hot water from an onsite electric boiler.
Residential and nonresidential spaces in the same building
NC-2009 EAc1:Optimize Energy Performanceposted by Francesco Passerini on
I’m modelling a hotel in which three floors are occupied by rooms (residential, tot.
Modeling radiant heating/cooling systems
NC-2009 EAc1:Optimize Energy Performanceposted by Petra Hajná on
Hi everybody. I'm working on a project in Central Europe and our team suggests implementing thermal active concrete structure to our design (heating/cooling pipes are integrated into a loadbearing
District Heating and Cooling Distribution Problems
NC-2009 EAc1:Optimize Energy Performanceposted by Dawn Kowalik on
The project is such that it consists of two major renovations of two college buildings and the construction of a new link between them. The energy model is just of ONE building.
Contradiction: Energy Modeling Area and certification fee area
NC-2009 EAc1:Optimize Energy Performanceposted by Diaa Madkour on
Hi all, we have a contradiction here between gross floor area of the energy modeling and the PIF2, in PIF2 we calculated the gross floor area as stated in GBCI : """ Project square footage for cer
Proposed model, CAV system without cooling system
NC-2009 EAc1:Optimize Energy Performanceposted by Francesco Passerini on
In the proposed building that I’m modeling there is a CAV system without cooling system (in the AHU a water coil is heated by hot water). How shall I model the cooling system?
System type for process heat exchanger
NC-2009 EAc1:Optimize Energy Performanceposted by David Weigel, PE on
Hi Group, I searched posts and couldn't find anything like this that has already been answered. I have a proposed 2000+ ton chilled water system in a building, which will be modeled as system 7 i
Modeling a Natural Ventilation Building
NC-2009 EAc1:Optimize Energy Performanceposted by Carolina Vergnano on
Hi, I'm working in a project that has 4 conditioned office rooms, which are enclosed by walls, and a café (adjacent to the office) that is natural ventilated.
Air recirculation and outdoor air
NC-2009 EAc1:Optimize Energy Performanceposted by Francesco Passerini on
I have some doubts concerning air loops of the baseline model, system 5 (Packaged VAV with Reheat). Paragraph G3.1.3.13 “VAV Flow Minimum Flow Setpoints” states: “Minimum volume setpoints for VAV r