Summer Heat: Can a Portable Air Conditioner Cool Down a Whole Apartment?


It can be unpleasant to live in an apartment without air conditioning. Window units have historically been a popular choice among renters, but they have limitations in enclosing the entire window and providing insufficient cooling. Renters can now choose to buy portable air conditioners. Portable air conditioners have several advantages over window units. They’re less expensive, don’t require installation, movable from room to room, and don’t take up an entire window.

But can you cool down a whole apartment with a portable air conditioner?

Theoretically, yes – portable air conditioners or also known as migliore condizionatore portatile, can be powerful enough to cool down an entire apartment, but you’ve to be ready to put several hundred bucks into this system. The size of your area and the model’s power determine whether a portable air conditioner can cool your entire apartment. To determine how strong a model would be required, take into account the square footage of your area and the BTUs (British Thermal Units) of the system. At least 18,000 BTUs are necessary for apartments larger than 1000 square feet, or 93 square meters. It would be best to keep a few things in mind to make this work.


First, your portable air conditioner must be the right size for the space. An AC that is too small will not be able to cool down a large space effectively, while one that’s too big will utilize more energy than required and may not fit in your apartment.

Second, you’ll need to seal off any areas where cold air can escape. This means keeping doors and windows closed as much as possible and using things like weather stripping or caulking to fill any gaps.

And finally, you’ll need to ensure that your portable air conditioner is properly vented. Otherwise, the hot air it’s removing from your apartment will just recirculate back in, negating the entire point of using an AC in the first place. If it isn’t ventilated, the unit will overheat and shut off, and your apartment won’t get any cooler.

Check out this installation guide for a step by step:

So, while it is possible to cool down an entire apartment with a portable air conditioner, it’s not going to be easy or cheap. But it can be done if you’re willing to put in the effort! If you can keep all of these things in mind, you should be able to cool down your apartment with a portable air conditioner effectively. Just be prepared for your energy bills to go up, as running an AC all day can be pretty pricey.