Considering how much an air conditioning unit costs, it's best to go with the most reliable brand possible, and these three just aren't contenders. Close-up of a Lennox central AC unit - Michael ...

Choosing an air conditioner can be tricky; fortunately, consumer reviews exist. Based on feedback from customers, one can see which AC brands they should avoid.

Our experts say these portable AC units from brands like DeLonghi and Honeywell are worth buying. They're movable and keep your home cool and humidity-free.

Portable air conditioners account for almost 20 percent ... on both high and low fan speeds when set to cool mode. In CR’s brand reliability survey, two brands—Frigidaire and Honeywell ...