Average Therm Usage Per Month
Average Therm Usage Per Month . /> average therm usage per month illinois. In seattle, it was much higher at $104.53. Switching from electric hot water tank to a gas tankless Page 2 from forums.redflagdeals.com Than 1/2 a therm a day *just* for the water heater alone! /> average therm usage per month illinois. I collected data from march of '05 through february of '11, as follows: