The federal government also offers energy efficiency tax credits. For qualified HVAC improvements, homeowners may be able to claim C tax credits equal to of the installed costs up to $ maximum ..Tax credits for non business energy property are now available retroactive to purchases made through . Tax credits for all residential renewable energy products have been extended through , and feature a gradual step down in the credit value..These popular residential energy tax credits equaled of the cost of product to $, or a specific amount from $ $ for the following eligible items BiomStoves $ credit for stoves with an efficiency of ..Determine your eligibility. Not all new furnace installations qualify for this credit. As of , the furnace must have been installed in your main residence in ..