COOL PERK: RJ Allen, owner of American Dream Services in Bakersfield, California, keeps a couple of 1-ton portable a/c units on hand as a perk for customers if it’s looking like a job might take a few ...

We've spent the last several months testing window air conditioners and portable air conditioners and found that while window units cooled rooms faster, it wasn't that much faster. It's true that ...

Choosing an air conditioner sounds like it should be easy, but when you start researching different types of units, along with their various specs and installation methods, it can spiral into an ...

Next year, the American portable air conditioning market turns 30 years old. It was mid-1983 when Denso Corp. — a large automotive OEM and the biggest car air conditioning manufacturer in the world — ...