You might see an EER (Energy Efficiency Ratio) number for your portable air conditioner, which measures the cooling ...

We've rounded up the best Prime Day air conditioner deals on our favorite portable and window units. Shop these models now ...

Ideal in dry climates and cheaper than air conditioning, evaporative coolers were once hugely popular. Climate change may be ...

The Indian government has proposed requiring the lowest temperature setting on all new air conditioners to be 20 Celsius, or ...

The Loiosu Portable Air Conditioner is on sale at Amazon. The device is ideal for cooling down small spaces, such as bedrooms ...

Control your home's temperature from your phone with this WiFi-enabled AC unit that features six different operating modes ...

Arizona's heat wave endangers seniors, with some experiencing indoor temperatures near 100°F due to AC failures.

The smaller apartment with the window air conditioner used only a quarter of energy this time—3 kWh instead of 11 kWh, or an average utility savings of about $1.70 per day.