The tax credits for the following products have EXPIRED as of December 31, 2011:
- Windows and Doors
- Insulation
- Roofs
- HVAC
- Central Air Conditioners
- Air Source Heat Pumps
- Furnaces and Boilers
- Water Heaters
- Gas, Oil, & Propane Water Heaters
- Electric Heat Pump Water Heaters
- Biomass Stoves