25D tax credit / Green Building & Sustainable Home Renovation Information & Advice

adding seamless rigid foam insulation to the exterior of a home
Grants and incentives

2026 US green building & renovation grants: a homeowner's & pro's guide

...Tax Credit Residential clean energy credit (25D) This incentive targets renewable energy systems and high-cost mechanical upgrades. It allows homeowners to deduct 30% of the cost of installing solar panels, wind turbines, geothermal heat pumps, and battery storage systems. Unlike the 25C credit, the 25D credit often h...