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From the point of view of refrigeration effect and energy saving, it must be closed, and if you want to exchange convection with the outdoor air, it must be turned on.
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Of course not, it will be a waste of electricity, but it is necessary to open the windows for ventilation when it is cooler outside.
If it's an interior door, it's okay.
However, when installing, it must be noted that the current interior door is generally integrated with the door frame, so to change the opening direction of the door, the door frame must also be installed in reverse, because the position of the door lock cannot be changed. >>>More
It is best not to install air conditioning in the home kitchen. The main reasons are: >>>More
The kitchen is equipped with air conditioning, three meals a day, cooking, frying and stewing, and cleaning the filter and evaporator every few days, do you have the ability and time?
Mobile air conditioners do not need to add water, while air conditioning fans need to add water. >>>More
There are also advantages and disadvantages of open kitchens, the main ones are the following: >>>More