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.

A portable air conditioner is a reliable and versatile way to beat the heat. We rounded up the seven best deals on portable ...

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 ...

I wouldn't be without air con on sticky summer nights and the model that's saved my sleep is currently on offer.

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 ...

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

The Midea U Window Air Conditioner and the U+ Window Air Conditioner were recalled because of pooled water leading to mold ...