You can check your materials at the following website.
Energy.gov
- Other energy efficiency upgrades
- Oil furnaces or hot water boilers if they meet or exceed 2021 Energy Star efficiency criteria and are rated by the manufacturer for use with fuel blends at least 20% of the volume of which consists of an eligible fuel. See: https://www.energystar.gov/products.
- Panelboards, sub-panelboards, branch circuits, or feeders that are installed according to National Electrical Code and have load capacity of 200 amps or more.
- Insulation materials and systems that meet International Energy Conservation Code standards. See: Building Energy Codes Program.
- Exterior windows that meet Energy Star’s Most Efficient requirements. See: https://www.energystar.gov/products/most_efficient.
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