To qualify for Oregon Department of Energy’s residential water heating energy tax credit, the project invoice must be itemized to show the cost of the unit separate from installation costs. In 2016, tax credits cover up to 50 percent of the cost of the unit and eligible expenses include receipts for your miscellaneous plumbing fittings, but not labor.

Oregon Department of Energy requests that contractors create itemized invoices for customers to show the unit cost separate from the installation cost to reduce administrative burdens for your business during tax season and improve customer service.