Leaving the fridge or freezer open for an extended period is not equivalent to using an air conditioner (AC). In fact, it's quite the opposite in terms of their cooling effects and energy usage.
Refrigerators and freezers work based on a closed-loop cooling system. They remove heat from the interior and transfer it outside the unit, allowing the inside to cool down. When you leave the fridge or freezer open, it allows warm air from the surrounding environment to enter the unit. As a result, the appliance has to work harder to remove the additional heat and maintain the desired temperature, leading to increased energy consumption.
On the other hand, air conditioners (AC) function by removing heat and humidity from the indoor air and expelling it outside. They cool the entire room or enclosed space, making it more comfortable for occupants. Air conditioners require more power and are designed to cool larger areas compared to a fridge or freezer, which cools a relatively small, insulated compartment.
Leaving the fridge or freezer open for an extended period is not advisable due to the energy wastage and the risk of food spoilage. It's essential to close the door as soon as you're finished using the appliance to ensure its efficient operation and keep your food fresh and safe.