You might see an EER (Energy Efficiency Ratio) number for your portable air conditioner, which measures the cooling ...

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To help you make an informed decision, we'll compare portable and window ACs and highlight their main features so you can decide what makes sense for you.

In this guide, we reveal expert-backed tips for installing a window air conditioner—and our recommendations for the best units for your home.

If you want fresh, breezy air without the stress of window installation or aren’t lucky enough to have central air, a portable air conditioner can be a great solution. Think of them as A/C units ...

Window and portable ACs can both cool your home, but a window unit does a much better job at a lower cost if you have the right type of window.

We tested Windmill and July’s window air conditioners for five weeks. Here’s what we learned about the ACs, including whether they’re worth buying.

Despite pausing these standards for centralized climate control units in February 2025, the current administration has yet to roll them back for window air conditioners.

To help you make an informed decision, we’ll compare portable and window ACs and highlight their main features so you can decide what makes sense for you.