Calculating cooling load

ApacheCalc – Heat loss/gain calculations using CIBSE procedures to determine design heating/cooling loads.
ApacheLoads – Design heating/cooling loads calculations using ASHRAE Heat Balance Method.
ts531
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VE Beginner
Posts: 13
Joined: Fri Sep 27, 2013 1:24 pm

Calculating cooling load

Postby ts531 » Fri May 16, 2014 11:56 am

Hi,
Can anyone please help me on calculating cooling demand. I am looking into two cases with two different climate data. Can anyone please tell in order to compare which case consumes more energy what room variable should I use? When I look at 'Cooling + dehum plant load' the second room/ case shows higher energy consumption and when I use 'Space conditioning sensible', the first case shows higher energy. Logically, the first case should consume higher energy as solar gain is higher than the second case. The definition in the Vista Guide is not clear enough for which variable to use for estimating cooling load.

Any suggestion is highly appreciated!

Best regards.

ts531
VE Beginner
VE Beginner
Posts: 13
Joined: Fri Sep 27, 2013 1:24 pm

Re: Calculating cooling load

Postby ts531 » Sun May 18, 2014 10:29 pm

Further to my previous post, although I have defined cooling system in the Thermal Template, Apache Simulation does not show any cooling load results file (.ctg file). Therefore, I am calculating cooling load from .aps file. Does it make any difference?

Is it possible to see cooling energy consumption for individual rooms? Do I need to use ApacheHVAC for that?

Sorry for asking the basic stuff, but would be very grateful if someone has the answer.


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