[Bldg-sim] Negative cooling Load in LS-B report (Space Peak Load Component

Virdi Permana Virdi.Permana at smithgroup.com
Sun Feb 3 18:32:55 PST 2008


Hello All,
1. What is the theory behind negative cooling load in LS-B report?
I have LSB report with sensible cooling load that has "window glass + Frm cond" with negative value while the rest of the envelope component are positive?
2. And why eQUESt selects Dec 3 data that has 68 F dry bulb temperature to calculate peak cooling load while the zone temperature is set at 82F?
Thank you for any response that can be shared.
 
Sincerely,
 
Virdi Permana
SmithGroup

________________________________

From: bldg-sim-bounces at lists.onebuilding.org on behalf of Virdi Permana
Sent: Sat 2/2/2008 6:21 PM
To: bldg-sim at lists.onebuilding.org
Subject: [Bldg-sim] Envelope Load



Hello All

I am currently trying to determine the ANNUAL heating and cooling load for each component (wall, roof, window) of the building using eQUEST.
I am able to find the peak load using report LS-B.
However as I observe report LS-E to get the annual load per component, It's difficult to determine the heating or cooling load from it as the data that is presented in that report is the summation over a month period. (Hence, you could find "heat loss" data in the "sensible cooling" row).
Is there way to derive the annual heat loss (heating) and heat gain (cooling) per building component using eQUEST?
Any information you could share is greatly appreciated.
Sincerely,

Virdi Permana
SmithGroup
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