 Evaporative coolers only have two working parts, the water pump and the fan motor, so they consume very little power. Learn more about evaporative coolers for livestock at livingthecountrylife.com. I'll see you in the country. Living the Country Life. Ideas and inspiration for your place in the country. You can find more information on today's topic, share your tips, and post photos by visiting us online at livingthecountrylife.com.