What is your best retrofit strategy? Firstly, determine what shape your house is in and what can be done to improve it. For example, check the interior and exterior for signs of moisture damage and structural problems and maintenance and repair needs. Consider renovation opportunities, the level and condition of insulation, air leakage paths, and the age and condition of mechanical systems. Although each house is unique, here are some typical home retrofit opportunities. Typical Home Retrofit Opportunities Most houses will benefit from air leakage control, moisture control and ventilation to reduce the chance of condensation problems. Insulate a poorly insulated attic. Add insulation to an empty frame wall. Insulate the basement. If the insulation can be combined with water proofing on the exterior or finishing the interior, it will be even more worthwhile. Once building envelope upgrades are complete, it may be worthwhile to install a smaller capacity, high…