Vectren Energy Delivery offers residential natural gas customers in Ohio rebates for the installation of certain high efficiency natural gas appliances and building insulation. Rebates are available for furnaces, boilers, and programmable thermostats. In order to be eligible for a rebate, equipment must meet certain efficiency and installation requirements. Please see the program website for a list of appliance models that meet the minimum standards. Vectren reserves the right to verify sales receipts and perform post-installation verification inspections. Rebate forms must be postmarked no later than sixty days after the purchase of a qualified measure and the work must be completed by approved contractors. Customers also have the option of applying for rebates online.