1) When Room 1 door opened,the temperature of the freezer room which is (-20c) will dropped by how many? The temperature of the Ante room (+5c).

2) since the outside temperature is (+35c), the temperature of the Ante Room (+5c) will be affected by how much?

*the number of times people Open the door per day is over 800 to 900 times. (for both Ante Room and freezer Room to keep stocks)*

Panel thickness size is 1500mm

model to ask people .png

sorry about the question that i asked....my english is not that good, its my 1st time posting things that i needed help with. and sorry.. if my questions are weird, please correct me.