Forum quick links
EA p2
NC-2009 EAp2:Minimum Energy Performanceposted by John Lee on
I haven't energy modeled yet and am reviewing someone else's work on EAp2.
System 8 VAV + PFP boxes
NC-2009 EAp2:Minimum Energy Performanceposted by Giuseppina Amorusi on
Dear All, We are modelling a Baseline Building with System 8 “VAV + PFP boxes” using HAP by Carrier. We are wondering how to model the VAV + PFP boxes according to ASHRAE 90.1 Section 3.1.3.14.
Precision Air Conditioning for Server Room and Art Gallery
NC-2009 EAp2:Minimum Energy Performanceposted by Panupant Phapant on
Dear All We have two projects that are attempting LEED 2009 NC Certification the first one is office building with server room and the second one is Arg Gallery.
District steam
NC-2009 EAp2:Minimum Energy Performanceposted by Haojie Wang on
If we convert district steam to hot water for space heating, is there any guideline on the efficiency (of heat exchanger) for baseline model?
G3.1.10 (d) "Heating only System"
NC-2009 EAp2:Minimum Energy Performanceposted by Anil Bhari on
Based upon G3.1.10 (d) “Where no cooling system exists or no cooling system has been specified, the cooling system shall be identical to the system modeled in the baseline building” Does this mean
Saving percentage round up to the nearest integer?
NC-2009 EAp2:Minimum Energy Performanceposted by Haojie Wang on
Will LEED round up the saving percentage to the nearest integer? e.g. 19.8% to 20%? Thanks in advance
Baseline Return/Relief Fan Power
NC-2009 EAp2:Minimum Energy Performanceposted by Haojie Wang on
90.1 AppG G3.1.2.8 says the return/relief fan should be sized for max (SA-OA, 90%*SA) [cfm]. But in table 1.4. the allowable fan power is only based on the supply fan power.
Actual building floor area and modeled floor area
NC-2009 EAp2:Minimum Energy Performanceposted by Haojie Wang on
I wonder if there is a rule on how much the difference between the actual and modeled floor area can be in LEED. Thanks
Process refrigeration
NC-2009 EAp2:Minimum Energy Performanceposted by André Harms on
Hello. Apologies for posting on two credits but Scott Bowman rightfully suggested I re-post here. Regarding an ice cream manufacturing facility where we are managing the Cx process I have two queri
Modeling Water-source Variable Refrigerant Volume Systems
NC-2009 EAp2:Minimum Energy Performanceposted by Eric Webber on
Hey everyone, I have a question about the best software choice and modeling strategy for water-source VRV (or VRF) systems.