Take a look at some case studies related to energy efficiency, produced by Efficiency Vermont: 

May 2012The Hand Home (Oil Heat) | Efficiency Vermont

May 2012The Hanson Home (Oil Heat) | Efficiency Vermont

May 2012The Rob Nichols Home (Oil Heat) | Efficiency Vermont

August 2011The Mellinger Home (Gas Heat) | Efficiency Vermont

August 2011The Beverly Nichols Home (Gas Heat) | Efficiency Vermont

August 2011The Severance Home (Gas Heat) | Efficiency Vermont