Are you eligible for a 2013 Tax Credit?

Taxpayers who purchase qualified residential energy-efficient property may eligible for a tax credit. The credit is equal to the full cost of the equipment up to the following caps:
Advanced main air circulating fan: $50
Natural gas, propane, or oil furnace or hot water boiler with an annual fuel utilization rate of 95 or greater: $150
Electric heat pump water heater with an energy factor of at least 2.0: $300
Electric heat pump which achieves the highest efficiency tier established by the Consortium for Energy Efficiency: $300
Central air conditioner which achieves the highest efficiency tier established by the Consortium for Energy Efficiency: $300
Natural gas, propane, or oil water heater which has either an energy factor of at least 0.82 or a thermal efficiency of at least 90 percent: $300
Biomass stoves that use “plant-derived fuel available on a renewable or recurring basis, including agricultural crops and trees, wood and wood waste and residues (including wood pellets), plants (including aquatic plants), grasses, residues, and fibers”: $300