Add Yahoo as a preferred source to see more of our stories on Google. If you live in the Phoenix area, it is likely hard for you to imagine what it would be like to live without air conditioning ...

(NEXSTAR) – Modern air conditioning keeps people comfortable during sweltering summer months, but it was created by an engineer in New York for an entirely different purpose. In 1902, Willis Carrier ...

In case you haven't noticed, heat pumps are hot. Although these devices, which use electricity to generate both air conditioning and heat, have been around for decades, the latest models are much more ...