a. When you first turn it on in the spring to check and see if it's OK
b. When the temperature outside reaches 90F for the first time.
c. When you're 3 days in to an estimated 10+ days of 100F temperatures
d. When you've seen your last day of 100F for the summer
Easy Question #34.3
Did I pose the above question in a spirit of idle inquiry or is our AC on the blink?