Why Switching to a Higher Performance Air Conditioning System is a Smart Option
https://www.evernote.com/shard/s485/sh/50b62dcc-759a-47df-97b7-816ef88ee9af/f75ccbbbc91eb601cfa2f5d4bc05a77d
Three-quarters of all homes in United States and Canada have an AC system. Ac systems utilize about 6% of all the electrical energy produced in the United States, at a yearly expense of about $29 billion to house