This page is intended to provide consumers with a resource for finding local rebates & incentives for new Heating & Air Conditioning systems. Typically, these rebates only apply to Energy Star or High Efficiency systems, but please check your local & state offices for exact information.
Database of State Incentives for Renewables & Efficiency
http://www.dsireusa.org/
2012 Federal Tax Credits for Consumer Energy Efficiency
http://www.energystar.gov/index.cfm?c=tax_credits.tx_index

