If your project goes much beyond replacing lights and a few appliances, you would probably benefit from using a home performance contractor.
Latest Activity: May 6, 2013
The American Council for an Energy-Efficient Economy provides a list of factors to consider.
The Air Conditioning Contractors of America offers recommendations for selecting a heating and cooling contractor and very detailed guidelines for quality installation of heating and cooling systems.
The Building Performance Institute provides advice on what to look for and maintains a searchable list of accredited contractors.
The ENERGY STAR program offers recommendations for finding a contractor.