Replace aging windows, HVAC systems and non-solar water heaters, install efficient biomass stoves, add insulation, or fix a worn out roof..........what do those have in common???
They may make you eligible for a tax credit! To encourage greater energy efficiency homeowners can recoup 30% of the cost, up to $1500 for making any of these qualifying upgrades during 2009 or 2010. The credit can be used for the year you completed the work.
Ask your contractor for a receipt! Labor can be included on some of the rehab projects. Consult your tax professional. It is called the Nonbusiness Energy property Credit.