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Economizer for VRF and other systems as per ASHRAE 90.1-2010 requirement

NC-v4 EAc2:Optimize energy performance
posted by  Micaela Smulevich  on 

when working With Roof Tops machines and commercial split system or water chiller with air handling units I consider the economizer is required as per ASHRAE section 6.5.1, is this correct?&nb

1
Thu May 14, 2020, 4:49 pm

Round off in % of saving

NC-v4 EAc2:Optimize energy performance
posted by  SAMY Chamy  on 

Dear All:-

 

2
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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
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Tue Apr 21, 2020, 12:24 am
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Lab Exhaust Fan Power - ASHRAE 2013

NC-v4 EAc2:Optimize energy performance
posted by  Pooja Sannamani  on 

Hi,

1
Wed Apr 15, 2020, 5:16 pm
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Points in Addition to Renewable Energy Production?

NC-v4 EAc2:Optimize energy performance
posted by  Dianne Herrin  on 

Hi - Our solar PV system is adding two points to our "optimize energy performance" category due to the cost offset.

3
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Scott Bowman
LEED Fellow
Integrated Design + Energy Advisors, LLC
LEEDuser Expert
377 thumbs up
Mon Mar 16, 2020, 5:29 pm

Energy Model Room category for server room relevant in baseline building

NC-v4 EAc2:Optimize energy performance
posted by  Benjamin Weise  on 

We're modelling an office building (space by space method) with a relatively big server room (50kW).

6
Tue Mar 10, 2020, 2:59 pm
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Question on Table 6.5.3.1.1B of ASHRAE 90.1-2010 - How is prssure drop of the Air Heat recovery system of the base calculated?

NC-v4 EAc2:Optimize energy performance
posted by  Stephan Zweig  on 

Please give me a feedback if I have calculated right the Fan Power of the baseline building.

3
Tue Feb 18, 2020, 2:53 pm
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Control of Energy Recovery System in the Baseline Building: Is an Economizer required or not?

NC-v4 EAc2:Optimize energy performance
posted by  Stephan Zweig  on 

Dear Leed users,

Baseline building based on ASHRAE 90.1-2010:

2
Tue Feb 18, 2020, 7:27 am
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Baseline for Manufacturing facility energy usage...

NC-v4 EAc2:Optimize energy performance
posted by  Rick Alfandre  on 

We are dealing with a manufacturing facility that has energy intensive process loads.   Is there a standard way to establish a base case for manufacturing process loads?   

1
Fri Feb 14, 2020, 5:23 pm
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Question on Table 6.5.3.1.1B of ASHRAE 90.1-2010 - How is prssure drop of the Air Heat recovery syste,

NC-v4 EAc2:Optimize energy performance
posted by  Stephan Zweig  on 
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Fire Station Baseline System

NC-v4 EAc2:Optimize energy performance
posted by  Jennifer Luce  on 

I understand fire station has residential spaces.  Under 90.1, it requires residential to use PTAC #1 for system type.  Due to having gas available, is it correct to model the baseline sy

1
Wed Feb 5, 2020, 7:46 pm