Understand your house as a system as Project Home and MG&E examine common sources of energy loss and how air sealing and insulation work together to improve energy efficient and comfort.  Also discuss simple upgrades you can make that are proven cost effective energy savers. This class will be held from at Fitchburg Public Library from 6:30pm-7:45pm Thursday, October 13th.  Sponsored by MG&E and State Bank of Cross Plains