Temperatures are rising. To find the best portable ACs for keeping you cool, we measured cooling ability, noise, and energy ...

Right now, Amazon is selling a $40 OlarHike Portable Air Compressor for just $20, or 50% off, and reviewers say it works fast and reliably — even on a tire that's gone completely flat. Get it.

As the second UK heatwave rolls in, I’m glad I tested this smart portable air conditioner back in June. Here’s why it’s still top of my summer must-haves.

As the second UK heatwave rolls in, I’m glad I tested this smart portable air conditioner back in June. Here’s why it’s still top of my summer must-haves.

Last summer, we tried one of those cheap DIY-store “air coolers” – you fill a tray with water and hope for the best. It looked like an air conditioner, but all it really did was shuffle the hot air ...