Clallam County PUD offers a variety of rebates for residential customers for energy efficiency improvements. Eligible measures and incentives include window upgrades, insulation, air and duct sealing, refrigerators, freezers, clothes washers, heat pumps, and high efficiency water heaters. There are also incentives for ENERGY STAR lighting and manufactured homes. All windows, insulation, weatherization measures, heat pumps, and duct sealing must be approved by the PUD prior to installation and must be installed by a participating PUD-approved contractor.