[Bldg-sim] thermal balance loads vs. system loads (PowerDOE)

[Familia Ordenes]

Hi,

When I compare the results from the Space Loads and the System Loads in PowerDOE, I can see a difference between these values (sometimes the Space Loads are bigger than the System Loads and sometimes  not). I do not understand how an HVAC system actually responds to building loads. How does the thermostat measure the space temperature ?  Is this hourly space temperature the same for the building loads calculation ? Can the HVAC systems affects the space loads ?  


I understand these questions may not be easy to answer, but these topics are under construction in the PowerDOE Help and I would like to understand better the program. I would be very grateful if someone could send me some information to clear my doubts.

Best regards.

Martín Ordenes M. 
Departamento de Ingeniería y Gestión de la Construcción.
Pontificia Universidad Católica de Chile


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