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Heat Recovery in the Baseline Systems

CS-2009 EAp2: Minimum Energy Performance
posted by Ciaran McCabe on Sep 2, 2016, 9:49 am

For HVAC systems that consist of Fan Coil Units with Air Handling Units providing 100% Outside air - constant volume (based on the min ASHRAE 62.1 requirements) - Will the baseline systems...

Last reply: Marcus Sheffer, Sep 15, 2016, 9:10 am

Exhaust Fans- Process Loads

CS-2009 EAp2: Minimum Energy Performance
posted by Samuel Sura on Sep 9, 2016, 6:59 am

Hi everyone!

If exhaust fans serving unconditioned spaces are considered as a process loads (e.g. parking garage exhaust fans) and should be modeled as in proposed case, it means that it...

Last reply: Samuel Sura, Sep 13, 2016, 6:24 am

Zone adjust in residential project

CS-2009 EAp2: Minimum Energy Performance
posted by Panupant Phapant on Sep 11, 2016, 11:46 pm

We have an apartment building project. In 1 dwelling unit has 1 bedroom 1 living unit and restroom. Do I need to separate between bedroom and living quarter ? Can I grouping it in 1 thermal zone...

Last reply: Marcus Sheffer, Sep 12, 2016, 9:42 am

Basement Levels in ASHRAE 90.1 Energy Models

CS-2009 EAp2: Minimum Energy Performance
posted by Ciaran McCabe on Sep 1, 2016, 6:02 am

Hi,

I am modelling a 6 storey office building which also has a basement car park. The basement car park is is naturally ventilated and also consists of a few small storage rooms, IT rooms...

Last reply: Ciaran McCabe, Sep 2, 2016, 9:41 am

questions about additional HVAC system in kitchen

CS-2009 EAp2: Minimum Energy Performance
posted by Zhang Peng on Aug 28, 2016, 11:50 pm

Our project is a high rise building, which consists of offices, bank, dining area and so on. Now it is under the LEED V3 CS review. I have a question about the spaces which are not normally...

Last reply: Marcus Sheffer, Aug 30, 2016, 9:53 am

control of PIU fans for System 8

CS-2009 EAp2: Minimum Energy Performance
posted by Francesco Passerini on Jul 28, 2016, 11:07 am

Shall the PIU fans of System 8 cycle according to paragraph G3.1.2.4?
In EneryPlus you can impose the "Fan On Flow Fraction", which is defined as:
The fraction of the primary air flow...

Last reply: Marcus Sheffer, Aug 22, 2016, 4:48 pm

Group projects w/ DES / central plants

CS-2009 EAp2: Minimum Energy Performance
posted by Stacey Olson on Aug 18, 2016, 8:03 pm

This is with regard to an open air shopping plaza, which is registered as a group project with 7 structures.

We received guidance to follow the “Treatment of District or Campus Thermal...

Last reply: Marcus Sheffer, Aug 19, 2016, 12:57 pm

U-Value / F-Factor

CS-2009 EAp2: Minimum Energy Performance
posted by Ciaran McCabe on Aug 18, 2016, 11:38 am

Hi,

I have calculated the U-Value of a Slab on Grade Floor to be 0.12 (metric) using 100mm insulation. The Leed reviewer wants to see the F-Factor equivalent in agreement with ASHRAE 90.1...

Last reply: Marcus Sheffer, Aug 19, 2016, 11:56 am

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