It sits beside your favorite chair, warms your feet on a chilly morning, and seems too small to make much difference to your household expenses.
But leave an electric space heater running for hours each day, and its cost can become surprisingly noticeable.
Does it automatically double your electricity bill? No. That depends on your usual consumption, electricity rates, and how long you use it. Still, it provides a useful example of why an appliance’s size tells you very little about its running cost.
Why a small heater can useso
