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

What’s the best temperature to set your air conditioning to? It’s a question many homeowners are thinking about after another ...

If you’re in the market for a premium portable air conditioner, you’ll find none better than the Whynter ARC-1230WN, which earned top marks in our larger tested review of the best portable AC ...

A: Most window air conditioners are designed to fit in windows where the bottom sash — the movable framed glass section — slides up and down. These windows are called double-hung or single ...