The Weatherization Program works in combination with the federal Department of Energy's Weatherization Grant Program, the state's Universal Energy Charge (tax), other state agencies, and the private sector to help low-income families improve energy efficiency for their homes, minimizing utility costs. Most funds are expended through sub-grantees who are carefully trained and monitored in their efforts to test for weather-related air and water leakages in homes and multi-family projects of low-income families. Once a dwelling unit is determined to need specific assistance, insulation, windows, doors, heaters, or water heaters are procured and installed by licensed contractors. The staff conduct quality control audits, training programs, and assist in outreach efforts. Statutory authority: NRS 702.250.