Utility companies have many reasons to support these programs. It helps reduce peak demand energy usage, lowering their energy cost. Public relations. Additional incentives from government entities. Political influences.   Most importantly, the result is an increase in the efficiency of your home. Other benefits reported by our clients are: Increased comfort.   Reduction of interior moisture levels of the home.  Improved indoor air quality. Increased airflow from the central air conditioning system. Elimination of hot or cold spots within the home.