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eQUEST pros/cons

Can you comment on successful ways you have used eQUEST and pitfalls you have seen? We are considering training our architects to use it for early building analysis on all projects. 

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Mon, 06/18/2018 - 18:12

You could write a technical paper answering that question. An important question, nevertheless. I will try to list a few things that come to mind immediately. My response is for locations other than California. Successful ways: · You can do parametric runs from the wizard mode and see which Energy Efficiency Measures (EEMs) provide the greatest value. · Once you are in the ‘Detailed Data Edit’ mode, the ‘Global Parameters’ feature can be very useful to set a base value for a measure and simulate several variations. Pitfalls: · Garbage in, garbage out. (like with any simulation software) · There is a learning curve. Our instructor in grad school told us that after two semesters, we would pick up a small percentage of the software’s capabilities. · For most cases, you might have to create geometry from scratch. · Do not use it for daylighting design (calculation of daylight levels), especially for deep floor plates with sidelighting only. · Non-standard HVAC system types require detailed workarounds. · In commercial buildings, if you don’t properly account for (underestimate) things like program, occupants and related ventilation loads, your envelope measures will show higher savings than they should. We’re fortunate that eQUEST is made available at no charge. Because you have the advantage of starting from scratch, have your considered software alternatives like DesignBuilder that use the newer EnergyPlus engine? Ramana Koti Associate, BEMP, LEED AP BD+C D +1 404 253 1478 LORD AECK SARGENT A KATERRA COMPANY From: Douglas Flandro

Mon, 06/18/2018 - 18:36

From my experience this is not something that should be forced on designers. Perhaps one or two technically minded practitioners with a bit of science or physics background could jump in... The interface is clumsy at best and the work around require advanced understanding of thermal dynamics, heat transfer and mechanical solutions. Lots of ways to get the wrong answer without knowing it, which wastes time and ruins credibility. Certainly not for all or even most... It is free and does have a robust community, but you need to really care about this to be useful and passionate to be good at it... Start with good rules of thumb...most dont even get there... No...sefaira is not the answer either... Good luck. Ed On Mon, Jun 18, 2018, 11:28 AM Ramana Koti wrote:

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