Like any appliance, air conditioners need a little TLC to deliver optimal performance. ACs that haven’t been kept in top-notch condition tend to struggle most. We asked air conditioner pros and ...

Consumer Reports has no relationship with any advertisers on this website. Of course it’s on the hottest days that you notice your air conditioner is struggling. And it’s not always the fault of the ...

In this troubleshooting situation, the customer’s complaint is that their office air conditioner is “not cooling at all.” When you arrive, you confirm that the indoor air temperature is far above the ...

While there certainly isn’t anything wrong with the old school, oscillating fan on a stand to keep your summer digs cool, there’s certainly something right about a portable air conditioner that packs ...