Aug 16 2013, 12:05 AM
QUOTE(ooienghong @ Aug 15 2013, 02:12 PM)
Reduced by 7ºC - Room Temperature or ceiling inner surface temperature or Roof inner surface temperature or...?
I don't think is the room temperature. Lets assume Malaysia average temperature during 12pm ~ 4pm is 32ºC, if room temperature reduced by 7ºC means the room temperature is 25ºC without air conditioning!
I believe that they must refer to the roof inner surface temperature not even ceiling inner surface temperature.
Bro 32 is d ambient temperature. The roof surface temperature might be higher. Bcoz heat absorption by air and roof tiles are different.I don't think is the room temperature. Lets assume Malaysia average temperature during 12pm ~ 4pm is 32ºC, if room temperature reduced by 7ºC means the room temperature is 25ºC without air conditioning!
I believe that they must refer to the roof inner surface temperature not even ceiling inner surface temperature.
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