A portable air conditioner makes sense in certain spaces where a little extra cooling is needed but a central air conditioner doesn't make sense, like in a studio apartment or a small room.

I would never buy from this company again if their AC units weren't the only ones that fit into my buildings through the wall slots. I bought a 8000btu air and heat combo wall air conditioner and ...

When you buy through our links, Business Insider may earn an affiliate commission. Learn more I've tested 30 units for our best air conditioner guide over the last six years. I evaluate many ...

So our first and best advice is to buy a window unit, which can be both cheaper and more effective at cooling a room. In our portable air conditioner tests, we measure how long it takes a unit to ...