Air compressors seem complicated, but they don't have to be. Learn how they work and their sizing with our encompassing guide to selecting an air compressor.

Popular Mechanics takes you inside for a look at how the air compressor works.

There are many sizes of air compressors, including tire inflators. Learn the differences and how they work with our guide to everything tire inflators.

Having an air compressor is great for inflating tires, powering various tools, or other tasks, but it's important to make sure you're maintaining it properly.

A portable air compressor is a great investment. It powers a variety of air tools, including inflators, finish nailers, and more. Here are the best ones to buy.