Why Switching to a High Efficiency A/C is a Smart Option

http://elliottkqwg956.withtank.com/why-changing-to-a-higher-performance-air-conditioner-is-a-smart-option/

Three-quarters of all homes in the United States have an air conditioning system. Air conditioners utilize about 6% of all the electricity produced in the United States, at a yearly expense of about $29 billion