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Minimum equipment efficiencies ASHRAE 90.1

NC-2009 EAp2:Minimum energy performance
posted by  Ricardo Sá  on 

Can anyone please clarify if packaged air-to-water heat pumps (chilled and/or hot water production) have to: 1) comply with minimum efficiency requirements set to for water chilling packages in coo

1
Thu Oct 17, 2013, 2:45 pm

Window to Wall ratio uniform?

NC-2009 EAp2:Minimum energy performance
posted by  Haojie Wang  on 

I recently noticed LEED Reference Guide for EAc1 Example Option 1 (p278) says we need to redistribute the window to wall ratio uniformally on each orientation of the building.

1
Wed Apr 29, 2015, 4:10 pm

ARI Certification Requirement

NC-2009 EAp2:Minimum energy performance
posted by  Udana Ratnayake  on 

We are working on a project in Sri Lanka where water cooled package units are to be used for air conditioning.

1
Fri Jul 15, 2011, 11:30 am

choosing multiple baseline systems in one building

NC-2009 EAp2:Minimum energy performance
posted by  ESD Singapore  on 

Dear organisation, I have a question regarding choosing the correct baseline system. We are working on a Multipurpose building.

1
Wed Aug 1, 2012, 1:02 pm

water cooled chilller

NC-2009 EAp2:Minimum energy performance
posted by  sherif el adly  on 

Hi Marcus The building size is mandating to model the baseline with a water cooled chiller and I will compare the baseline with the design which is using HVAC that is (air cooled chiller + ice sto

1
Thu Dec 1, 2016, 5:40 pm

Building Automation System (BMS)

NC-2009 EAp2:Minimum energy performance
posted by  Marco Antonio  on 

Hello We are developing a project of air conditioning a building certified LEED NC 2.2 and wonder if all Fancoletes and fans small (about 200), should be interlidados in the building automation sys

1
Fri Apr 5, 2013, 4:00 pm

Proposed Design HVAC Capacities

NC-2009 EAp2:Minimum energy performance
posted by  AshLee Eustace  on 

Should heating and cooling capacities for the proposed design be modeled the same as the baseline (15% and 25% over-sized) or should they be modeled with actual capacities? Thank you

1
Wed Aug 15, 2012, 8:52 pm

Evidence Required: sample lease(s) associated with LEED

NC-2009 EAp2:Minimum energy performance
posted by  Jane Long  on 

Hi All, Could someone please enlighten me as to the relevant of the requirement to “provide the lease(s) or sample lease(s) associated with the LEED project” please? What leases?!

1
Thu Sep 29, 2011, 11:45 am

CCHP Modeling

NC-2009 EAp2:Minimum energy performance
posted by  Jie Shen  on 

Consultant ERM Apr 20 2016 Guest CCHP System modeling Project Location: Japan My project is provided by CCHP system which owned by third party, the CCHP has two gas generators, one heat reco

1
Mon Apr 25, 2016, 7:28 pm