Could you please tell me why an A/C unit needs to be exhausted to the outdoors while a refrigerator does not and if it were vented outdoors would it be more efficient?
Because we need to release the heat. If we put outdoor unit inside, it means we release the heat inside the room, so the room will not be cool. In refrigerator, we only cool down inside the refrigerator, So we just need to release the heat outside the refrigerator.
@@MrEthanhines What we have here, generally, is a heat pump. Inside A/C unit is a heat pump, during the summer it pumps heat outside, and during winter it pumps heat inside using a reverser circuit. A refrigerator has a simpler heat pump without reverser, and it only pumps heat to the outside. So A/C and a refrigerator are very similar. Household refrigerators vent their heat to a radiator on their backside, to make them easily portable. But if you were to separate the refrigerator and the radiator, put the radiator outside and run the much longer lines to outside, you would have a DIY A/C unit. Now the efficiency of this new circuit depends on the relative temperatures. The hotter the room that you keep the refrigerator in, the more heat seeps in, the more heat pumping it needs to do. Same with the radiator, a cooler radiator helps the heat pump by reducing the temperature gradient. So if you keep your refrigerator/radiator inside a cool basement, then of course it's going to consume very little power compared to a refrigerator that is kept in a hot room (or a refrigerator that has its backside covered in cobwebs and dust). Again, refrigerator is a heat pump, and the less heat it needs to pump, the more efficient it is. The smaller the heat gradient, the easier it is to pump the heat, and less heat seeps back in.
Could you please tell me why an A/C unit needs to be exhausted to the outdoors while a refrigerator does not and if it were vented outdoors would it be more efficient?
Need an answer
Because we need to release the heat. If we put outdoor unit inside, it means we release the heat inside the room, so the room will not be cool.
In refrigerator, we only cool down inside the refrigerator, So we just need to release the heat outside the refrigerator.
@@MawangHujan-fl2zn answer me this, if we *did* exhaust refrigerators to the outside of the building would they be anymore efficient?
@@MrEthanhines What we have here, generally, is a heat pump. Inside A/C unit is a heat pump, during the summer it pumps heat outside, and during winter it pumps heat inside using a reverser circuit. A refrigerator has a simpler heat pump without reverser, and it only pumps heat to the outside. So A/C and a refrigerator are very similar.
Household refrigerators vent their heat to a radiator on their backside, to make them easily portable. But if you were to separate the refrigerator and the radiator, put the radiator outside and run the much longer lines to outside, you would have a DIY A/C unit.
Now the efficiency of this new circuit depends on the relative temperatures. The hotter the room that you keep the refrigerator in, the more heat seeps in, the more heat pumping it needs to do. Same with the radiator, a cooler radiator helps the heat pump by reducing the temperature gradient. So if you keep your refrigerator/radiator inside a cool basement, then of course it's going to consume very little power compared to a refrigerator that is kept in a hot room (or a refrigerator that has its backside covered in cobwebs and dust). Again, refrigerator is a heat pump, and the less heat it needs to pump, the more efficient it is. The smaller the heat gradient, the easier it is to pump the heat, and less heat seeps back in.
@@chameleonh Thank you!
Very niece sir
Absolute zero is -460 degrees F not -467.