Weather: 90°, Hazy, Hot, & Humid.
3:30 PM: 79° Inside, 5361kWh on the meter
Run both heads
4:30 PM: 67° Inside, 5363kWh on the meter
Now I don't know if those are "short" or "long" kWhs -- i.e. did I go from 1.0 to 3.9, or 1.9 to 3.0?
So best case 1.1kWh and worst case 3.9kWh
At 23.15 cents per kWh, we're talking under a buck.