Why Switching to a Higher Performance A/C Unit is a Wise Choice
https://www.evernote.com/shard/s485/sh/50b62dcc-759a-47df-97b7-816ef88ee9af/f75ccbbbc91eb601cfa2f5d4bc05a77d
Three-quarters of all homes in the US have an AC system. Air conditioners utilize about 6% of all the electrical energy produced in the United States, at an annual expense of about $29 billion to property owners.