I have an aluminium box (6 mm thick) of about 13.6 m³.

Inside the box is a ventilator that can move 140 m³/h and I want to keep the temperature inside this box at about 30 °C. The box is to be placed indoors where the temperature is 20 °C. The fans exchanges air with the outside.

What is the minimum energy source I need in this box?


1 Answer 1


After some Calculations i ended up using the amount of air (m³/s), air density kg/m³, temperature differance and a mollier diagram to get to my ansver, witch ended up to be around 700W

thanks for all the help guys :)


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