Tax credits that can be used for home improvements.

Tax credits are available at 10% of the cost, up to $500 or a specific amount from $50 - $300 through December 31, 2011 (for existing homes and your principal residence) for:

    * Windows and Doors

    * Insulation

    * Roofs (Metal and Asphalt)

    * HVAC

    * Water Heaters (non-solar)

    * Biomass Stoves

Tax credits are available at 30% of the cost, with no upper limit through 2016 (for existing homes & new construction) for:

    * Geothermal Heat Pumps

    * Small Wind Turbines (Residential)

    * Solar Energy Systems

Tax credits are available at 30% of the cost, up to $500 per .5 kW of power capacity through December 21, 2016 (for existing homes & new construction, must be your principal residence) for:

    * Fuel Cells (Residential Fuel Cell and Microturbine System)