Be sure to test your back up generator every year, especially prior to the cold seasons when it is imperative it work. Also check the oil level, spark plug and fuel filter as prescribed by the owner's manual.
Install additional attic insulation at right angles to the previous layer. You don’t have to use the same type of insulation – it’s fine to use batts or blankets over loose-fill, or vice versa. Upgrading from three inches to 12 inches can cut heating costs by 20 percent, and cooling costs by 10 percent.