The performance looks even better when you compare against high-income households: one of my Canadian friends ruefully admitted that his power bill tops $900 per month every January as his electric heat pump fights to keep his large custom home warm in the face of Ottawa’s near-arctic winter weather. A Texan friend reports a $300 per month cooling bill for the hottest four months of the year, and even a fellow Coloradan uses over $200 per month with very little climate control at all.

via Chasing Electrical Demons to Cut your Power Bill by 80%.