It was -2C here at today noon and winter's barely begun, it's actually warmer than usual it should be about -10C. Plus I just spent $420 for half a tank of hea

It was -2C here at today noon and winter's barely begun, it's actually warmer than usual it should be about -10C. Plus I just spent $420 for half a tank of heating fuel. Fuel oil prices currently $1.18/liter are jumping and next time it will probably be $500 for the same amount of oil. No I'm not opening the windows. Plus the pipes would burst if it got cold enough inside the house. If I want fresh air I'll get that when shovelling snow. School and business wold be in the same situation most use fuel oil or local steam line. But wasting energy by opening windows is not a solution during a northern winter.