The Weatherization Assistance Program (Weatherization) is a federal grant program established to help reduce the heating and cooling costs for low income persons, particularly the elderly, disabled, and children, by improving the energy efficiency of their homes, thereby reducing the households’ energy bills. The program also improves the health and safety of low-income homes. Weatherization has grown from a program in the 1970's that used volunteers to install low cost, temporary measures, to a program using trained workers to install permanent, cost effective measures that address both the energy efficiency and health and safety of the dwelling.
The installation of energy efficiency measures for each dwelling is based on a computerized energy audit which determines the cost effectiveness of each measure. Energy efficiency measures include high density wall and attic insulation and blower door - guided infiltration reduction. Because the weatherization procedures result in "tightening" homes, indoor air quality and other client health and safety issues are also addressed. Health and safety measures include safety checks of all combustion appliances.
Besides the obvious benefit of conserving energy, the Iowa Weatherization Assistance Program also provides other benefits to Iowa and its residents. The program results in millions of dollars of additional value added to the Iowa economy. The program also solves certain health and safety problems in the client's homes, maintains affordable housing for low-income persons, reduces utility averages, and reduces environmental pollution.