Don’t sweat it if your central air conditioning won't blow cold air. Here’s how to troubleshoot and fix problems with its indoor and outdoor components.

According to a report from the International Energy Agency last year, data centers will make up less than 10% of the increase ...

And while that might not sound like much ... You set the temperature, you set the fan speed, and you wait for the AC to cool the room. Easy-peasy. Higher purchase price: Inverter air conditioners ...