Forum quick links
3 questions
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Mark Taake on
Our project involves multiple renovations of areas within a large hospital. We are applying under CI rather than Healthcare because the project is not a total gut.
Complete information on Variable Speed Control
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Mike D on
There are no pumps or VAV fans on this project which are 5hp or greater.
Project Scope and Tenant Scope
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Leandro Silva on
Another one I can´t quite get my head around. Our client will be the sole tenant in a small commercial building.
Baseline System parameters with a DES
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Luke Knapp on
I'm designing a building on a college campus that has a DES. We opted to model option 1 for EAc1 (Building Stand-alone scenario).
Percent Annual HVAC Energy Cost Reduction
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Saju Varghese on
Which Cost reduction equation should be used on template when cooling plant has been updated with a high efficiency chiller and therefore proposed has been modeled including all the areas that th
trying to understand the effort
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Ramana Koti on
Hello. We're trying to decide if pursuing energy modeling under Option 2's Path 1 would be worth the effort.
VRF Systems - Option 1 of EAc1.3
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Roger Carter on
I am looking for some feedback on the interpretation for appropriate zoning and controls. It appears that every solar exposure must have a separate control zone.
Determining Baseline System Type
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by Rebekah Burke on
I am trying to correctly determine the baseline system for my LEED energy model. I have a 7-story hotel building so it will either be System 1- PTAC or System 2 –PTHP based on ASHRAE 90.1-2007.
Heat Pump for Domestic Water Heating
CI-2009 EAc1.3:Optimize Energy Performance—HVACposted by M.S. Chan on
We are using heat pumps for domestic water heating. (The water source will be from the campus/district condenser water system.) Can we take credit in the energy calculations using heat pumps?