The EER or Energy Efficiency Ratio measures the cooling efficiency of an air conditioner or HVAC system, determined by ...

Here's how to tell whether to go with a window a/c, portable unit, a ductless mini-spit, an evaporative cooler—or a combo of several.

This LG air conditioner is one of the most energy-efficient options. Its impressive cooling power makes it a great choice for ...

Air conditioners place a heavy burden on the grid when the weather gets hot, but this strategy shows they can actually ...

Basic air-conditioner maintenance, such as regularly cleaning filters, can help prevent mold growth. Many window units have a ...

“Consumers with the recalled air conditioners should immediately contact Midea for a free repair or a full or prorated refund ...

To maximize air conditioner efficiency in the summer, Australian refrigeration expert Mark Sharp recommended setting moderate ...

The hot, sunny days of summer are right around the corner. For homeowners in heat-prone states, it also means your AC is ...