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 ...

As summer heat builds, more people will rely on air conditioning units to keep cool. However, before air conditioning existed, people had to be creative when trying to stay comfortable in sweltering ...

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 ...

Carrier Global, the nearly 100-year-old manufacturer whose founder, Willis Carrier, invented air conditioning, is being transformed by the growing market for heat pumps and other HVAC climate ...