If you've done home improvements that qualify as energy efficient then those improvements may earn you some tax credits.

Got Clean Energy?
Your home improvements may qualify for "home energy tax credits". There are two tax credits to help offset the costs for homeowners making energy efficient improvements to their homes.
In some cases, renters may also be able to claim specific costs; however, landlords can’t use these credits for improvements made to any homes they rent out.
Credit #1 :Energy Efficient Home Improvement Credit
Improvements such as:
Exterior doors, windows, skylights and insulation materials.
Central air conditioners, water heaters, furnaces, boilers and heat pumps.
Biomass stoves and boilers.
Home energy audits.
These improvements have to be made to an existing home (not a home in progress or newly constructed houses)
The amount of