Why Changing to a Higher Efficiency A/C Unit is a Smart Option
https://www.evernote.com/shard/s485/sh/50b62dcc-759a-47df-97b7-816ef88ee9af/f75ccbbbc91eb601cfa2f5d4bc05a77d
Three-quarters of all homes in the USA have an AC system. Air conditioning systems utilize about 6% of all the electrical power produced in the United States, at a yearly expense of about $29 billion to homeowners.