(Some so-called ductless air conditioners are actually heat pumps.) They tend to cost a little more than AC-only units but less than the combined cost of a new heating and cooling system.

A central air system can be a great addition to your home — keeping your home cool and comfortable in the summer months and you may even add value to your home. How much it costs to install ...

Looking to beat the heat without breaking the bank? Here are the top portable air conditioners, tested by CNET's experts. Laboratory Technical Project Manager Gianmarco Chumbe has been part of the ...