Airing Our Dirty Laundry
...power. So why air dry? Let’s do the math. Assuming our (gas powered) dryer uses an average of .22 therms of natural gas per load at our gas company Sempra Energy’s August rate of 59 cents per therm, by using our clothes line we achieve the admittedly not too impressive savings of 17 cents per load. If we had an electric dryer we figure that the cost would be about 44 cents per load if the dryer consumed four kilowatts for a 45 minute spin. And rem...