Hay
The primary data;
Fast freezer for mushrooms

500kg/6h in cartoon boxees 600 x 500 x300mm
T initial=4*C T final =-30*C
Enviroment temp 32*C constant
Insulation polyurethane thickness=120mm
I use 3 diferent programs for this calculation & i got 3 different
results 1 Q=15.10kw /-35*C
2 Q=18.59Kw/-35*C
3 Q=13,9Kw/-35*C
How about it ?
Regards