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.

What size air conditioner should you buy? Above all else, you should base your buying decision on two things: BTUs and energy efficiency. Air conditioner "sizes" are determined by their BTU ...

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

To find the best air conditioners, I talked to HVAC experts and tested over 20 units to see how effective, quiet, and energy-efficient they are. The Midea U Inverter Window Air Conditioner ...

A 1.5 ton 5 star split AC is the perfect choice for enjoying ultimate cooling with cost savings. If you are looking for an ...

After a long day out in the summer sun, you finally get home and put your air conditioner on at full blast. But after hours have gone by, you realize that your home doesn't feel any different than it ...