Why Switching to a High Performance Air Conditioning Unit is a Smart Choice

http://augustcahj834.jigsy.com/entries/general/why-switching-to-a-high-performance-air-conditioner-is-a-wise-option

Three-quarters of all homes in the USA and Canada have an A/C unit. Air conditioning systems use about 6% of all the electrical power produced in the United States, at an annual expense of about $29 billion to