Portable air conditioners promise quick cooling in summer, but they often drive up electricity bills significantly. An analysis shows: Operating costs can reach the purchase price within three years.

A portable air conditioner can offer some respite from those warm summer days, and it’s even better when you can grab one on ...

Now that summer is in full swing, the best air conditioners on Amazon are helpful home appliances to install in a pinch.

Low-air-resistance MERV 13 filters provide great air quality without straining HVAC equipment.

Shop early Prime Day deals on portable and personal air conditioners. Stay cool with top picks from Black+Decker, Whynter, SereneLife and more.

Temperatures are rising, so make sure you have a powerful air conditioner this summer. This BLACK+DECKER portable AC unit is on sale right now for $50 off.

Hisense’s 8,000 BTU window air conditioner is down to $249.99 ($50 off) at Amazon. Sony’s ULT 1 speaker and Samsung’s S80UA monitor are also on sale.