If you’re considering a new AC system, an air conditioning service can help you make the right choice for your home. Most AC ...

A unit that’s too small will struggle to ... finding a trustworthy contractor to install and service the air conditioning system matters the most. Here’s what to do. Ask around.

To help you find the right unit for your space, we've tested the top options on the market. Here are CNET's picks of the best portable air conditioners for 2025.

Keeping your ducted cooling or heating system clean and well-maintained will help ensure it runs efficiently, and doesn't cause you health issues.