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California Title 24-2005 Part 6 vs. ASHRAE 90.1-2007
NC-2009 EAp2:Minimum energy performanceposted by Erica Suarino on
It's clear from the credit language and LEED Online form that California Title 24-2005 Part 6 can be used in place of ASHRAE 90.1-2007 as a baseline when creating an energy model.
Heat pump dehumidifier minimum efficiency requirements
NC-2009 EAp2:Minimum energy performanceposted by Ricardo Sá on
Can anyone please clarify which, if any, minimum efficiency requirements are set for heat-pump dehumidifiers (indoor swimming pool dehumidifiers) under ASHRAE 90.1 (2007)?
Baseline Chilled water pumps - G3.1.3.10
NC-2009 EAp2:Minimum energy performanceposted by Vassil Vassilev on
Greetings, The standard states that the pump power must be 22 W/gpm. If the project has two chillers and primary secondary circuits, whereby there is on pump per chiller in the primary circuits and
90.1 compliance mandatory? Planned use of empty space?
NC-2009 EAp2:Minimum energy performanceposted by David Weigel, PE on
Sorry for a couple of elementary questions, but my searches haven't been successful. 1. Is 90.1 compliance required, or only the mandatory provisions? 2.
Requirements for instant water heater with no storage tank
NC-2009 EAp2:Minimum energy performanceposted by Gustavo De las Heras Izquierdo on
Hallo, I have read the insulation requirements in Section 7.4.3 but it seems to focus on circulating and non-circulating systems with a storage tank.
Existing systems modeling
NC-2009 EAp2:Minimum energy performanceposted by Tiffany Moore on
If a project retains existing mechanical systems, but the overall scope of the renovations meets the new construction threshold, are the baseline calcs based on code-minimum or should the project a
DES Baseline
NC-2009 EAp2:Minimum energy performanceposted by SUNG SU KIM on
For HVAC System, Our project team will apply to 2 absorption chillers and geo-exchange heat pump.(project site is located in DES) In this case, we know that the baseline system of HVAC is absorpti
LEED Energy Model Review
NC-2009 EAp2:Minimum energy performanceposted by Dave Hubka on
Hello Marcus, As an energy modeling expert who has experience reviewing energy models submitted for LEED, how much time is spent by the LEED reviewer on EAp2? I understand there are quite a bit o
UnmetLoadHours - Do we have clarity yet?
NC-2009 EAp2:Minimum energy performanceposted by Jean Marais on
The definition of Unmet Load Hours has been vague for quite some time. ASHRAE 90.1 2010 was supposed to address this issue. Do we have some resolution about this yet?
Design a pump for 20 story building
NC-2009 EAp2:Minimum energy performanceposted by PAWAN DAHIWAL on
Apart from LEED/USGBC, I want to design a pump which can supply hot water at each floor's apartment for space heating (of total 20 floor). what will be the head?