A quarter of the US didn't have AC until 1978.
Energy demand can be a whole 22% higher in the summer, compared to winter.
Theaters where the first place most people felt the cool rush of air conditioning.
Without AC, most industries in the past would stop during the summer.
AC helped kick human life expectancy up more than a few years.
Hospitals defeated malaria and decreased infant mortality thanks to AC.
Without the advent of the AC, the Northeast would still dominate the US economically.
Houston's in the top 10 greenest cities in the US.
An AC achieves its optimal performance when set to roughly 78 degrees.
Maintenance goes a long way to ensuring your AC stays strong and efficient.
The Gulf helps make Houston's weather less extreme than other areas.
A blazing 120 degree day in Seymour is the hottest ever recorded in Texas.