Federal & AZ Tax Credits!
Here's some links to answer questions about the tax credits offered by the Feds and AZ:
First-Time Homebuyers Credit - $8,000
Federal Energy Tax Credit
Home Energy Efficiency Improvement Tax Credits
Consumers who purchase and install specific products, such as energy-efficient windows, insulation, doors, roofs, and heating and cooling equipment in existing homes can receive a tax credit for 30% of the cost, up to $1,500, for improvements "placed in service" starting January 1, 2009, through December 31, 2010. See EnergyStar.gov for a complete summary of energy efficiency tax credits available to consumers.
Residential Renewable Energy Tax Credits
Consumers who install solar energy systems (including solar water heating and solar electric systems), small wind systems, geothermal heat pumps, and residential fuel cell and microturbine systems can receive a 30% tax credit for systems placed in service before December 31, 2016; the previous tax credit cap no longer applies.
AZ Tax Credits / Incentives / Rebates
AZ Solar Energy Tax Credit
Fuel Efficient Vehicle Tax Credit