Why Changing to a Higher Efficiency A/C is a Smart Option

http://raymonddawy161.angelfire.com/index.blog/1608432/why-switching-to-a-high-effectiveness-ac-system-is-a-wise-option/

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