Where do you live? If it's somewhere warm I'd say not having fans might be part of your cost savings. It would be much more compelling if you were giving us an

Where do you live? If it's somewhere warm I'd say not having fans might be part of your cost savings. It would be much more compelling if you were giving us an apples-to-apples comparison with regards to the dates. My electricity bills in the winter are 1/6th what they are in the summer (although that's due to air conditioning). [Edit: whoops, I misread the examples in the OPs link; for some reason I thought the lower bills were in the cooler months, and that is not the case. Still, my question stands with regards to wanting to make apples-to-apples comparisons]