Q: My room temperatures don’t stay very even and my old central air conditioner is getting noisier each year. What types of ...

Dear Ken : I've heard that shielding your central air conditioner compressor from the sun is a good idea. Do you agree? I do. The purpose of the compressor is to condense the refrigerant gas -… ...

If your central air conditioning condenser problem is that the compressor and condenser fan won’t run, this article lays out a series of troubleshooting steps to help you in identifying and correcting ...

Replacing or buying a new central air conditioning system can be a huge expense, so you’ll want to get it right. To peg down systems that are likely to last, we measure and track the reliability ...

Here, we take a look at how to know when to replace your central air conditioner, how it works and how solar panels can save you money with a new system. By Roy Berendsohn Published: May 10, 2009 ...

An easy-to-read guide for choosing the best window air conditioner, central HVAC unit, mini-split, or portable model for a range of individual needs and spaces.

Here are the most common problems that crop up with window and central air conditioners—many you can fix yourself—plus CR's top-rated window ACs.

We did a piece on possible reasons why your window air conditioner isn't cooling, now it's time for central air conditioners.When your AC runs but the house stays hot, the first thing to check is ...