Tell me if my heating/cooling/electric costs are low, high or middling Utilities May 2, 2011 by guest4 I own a 4-story 3500sqft brownstone. Just worked out my gas+electric (so that covers heating, cooling, hot water). It’s 12k for the last 12 months. Is this in line with everyone else? I keep the house at 69 in the winter, 72 in the summer.