Key Points Window AC units cool faster, use less energy, and are more cost-effective for long-term use.Portable AC units ...

Here's when HVAC pros suggest turning off your window AC unit so you can save money while you're away from home without wasting energy cooling the space upon your return.

As is the case for many people, my home cannot be retrofitted with central air. My 100-plus-year-old Brooklyn apartment, which features prominently in my seven years of air quality reporting for WIRED ...

The best window AC units of 2026 are both powerful and energy-efficient. Our top five picks include quiet models from LG, ...

We may receive a commission on purchases made from links. A questionable smell, an odd noise, or just the feeling that your window AC unit isn't keeping the space as cool as it used to can set off the ...

Yeah, running an air conditioner contributes to global warming, thereby increasing the need for air conditioning. On the bright side, this TCL unit is highly efficient, it uses an environmentally ...

It's hot. Like, really hot. Learn how to clean a window AC unit, and you can stay cool all summer long. Millions of Americans are under heat warnings this summer, and window air conditioners are ...

Due to warming and longer summers, having the best air conditioner to suit your home needs is critical. Many people today use either portable air conditioners or window air conditioners. These two ...