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Chilled beams with default occupancy

CS-2009 EAp2: Minimum Energy Performance
posted by Manuel Martin Delgado on Jun 29, 2020, 7:11 am

Hello,

We have an office building designed with DOAS CAV (20degC ) and active chilled beams with induction factor of 4 (at 18.5degC). The fresh air for higenic reasons is 40m3/h*person,...

Modelling Chilled water pump Power for the Baseline

CS-2009 EAp2: Minimum Energy Performance
posted by Indochine Engineering VN on Nov 9, 2017, 10:30 am

Hi LEED experts,

I just received LEED reviewer comment. They said "It appears that each Baseline pump has been modeled with a power of 22 W/gpm. ASHRAE Interpretation ASHRAE/IES IC 90.1-...

Last reply: JamieDamon Damon, May 8, 2020, 5:32 pm

Installed and not Installed HVAC

CS-2009 EAp2: Minimum Energy Performance
posted by PAULA HERNANDEZ on Jan 3, 2020, 9:50 am

Hi,

I am modeling a C&S building for the Construction Submittal, and I have to adjust the Design Submittal Energy Model because the Owner change the brand of the VRF systems.

...

Last reply: PAULA HERNANDEZ, Jan 8, 2020, 6:10 am

heat recovery in baseline

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Aug 27, 2018, 6:30 am

I'm using  v2009_Minimum Energy Performance Calculator_v09.xlsm

In the tab "Air-Side HVAC" it specifies that energy recovery is required "For Baseline, any individual systems where supply...

Last reply: Marcus Sheffer, Dec 22, 2019, 5:22 pm

Claim savings with reference to tenant fit out lighting drawings in lieu of tenant lease agreement

CS-2009 EAp2: Minimum Energy Performance
posted by Eric Dixon on Nov 5, 2019, 10:04 am

I have a situation where my company has been contracted to design and submit for LEED both the C&S for the building developer, and the CI for the tenant. The TLSA has already been executed by...

Last reply: Marcus Sheffer, Nov 5, 2019, 11:10 am

AHU Fan Power Requirement

CS-2009 EAp2: Minimum Energy Performance
posted by Summer on Sep 19, 2019, 6:57 am

I have a CS project in which the...

Last reply: Marcus Sheffer, Sep 20, 2019, 12:04 pm

Fresh air for toilet vestibule according to ASHRAE 62.1-2010

CS-2009 EAp2: Minimum Energy Performance
posted by Przemysław Rejczak on Apr 8, 2019, 7:10 am

Dear Everyone

I am writing regarding to fresh air requirements for Baseline Case. According to new ASHRAE 90.1-2010 requirement it should be modeled according to rating authority or...

Last reply: Marcus Sheffer, Apr 10, 2019, 3:36 pm

G3.1.1 | Exception b (40 equivalent full-load hours per week)

CS-2009 EAp2: Minimum Energy Performance
posted by Danilo Ilic on Apr 1, 2019, 5:03 am

From what I could see in related posts, "40 equivalent full-load hours per week" are plainly interpreted as 40 working hours and without any connection to thermal load and I am...

Last reply: Danilo Ilic, Apr 1, 2019, 9:39 am

Interior lighting in dwelling units

CS-2009 EAp2: Minimum Energy Performance
posted by Ashish Nautiyal on Mar 22, 2019, 3:47 pm

Hello All,

I got the following comment from the LEED reviewer.
Based on the Energy Simulation Report (Annexure-1), it appears that interior lighting savings are being taken for...

Last reply: Marcus Sheffer, Mar 25, 2019, 2:09 pm

Proof on Exceptional Calculations of Energy Modelling

CS-2009 EAp2: Minimum Energy Performance
posted by Kathy Wong on Jan 7, 2019, 2:13 am

Our LEED project has adopted lighting control as energy-saving strategy for parking garage and documented as exceptional calculation in EAp2 and EAc1. Soon we received USGBC's comment asking for...

Last reply: Kathy Wong, Jan 8, 2019, 4:48 am