Federal Tax Credits for Consumer Energy Efficiency:

http://www.energystar.gov/index.cfm?c=tax_credits.tx_index

SRP Cool Cash Rebate Program:

http://www.srpnet.com/energy/powerwise/coolcashrebate.aspx

Residential Energy Saving Rebates & Programs:

http://www.aps.com/main/green/choice/choice_20.html