Want cold air in the summer or clear windows in the winter? Then you’ll want a functioning air-conditioning compressor. It is the power unit of the air-conditioning system that puts the refrigerant ...

Replacing or buying a new central air conditioning system can be a huge expense, so you’ll want to get it right. To identify systems that are likely to last, Consumer Reports measures and tracks their ...

When your air conditioner blows only mildly cool air or no cool air at all, it’s probably low on refrigerant. That means it’s probably time for an air-conditioning recharge, but there’s more to it ...