If the furnace was installed in home that you own then you may be able for a Home Energy Credit.
To enter Home Energy Credits -
Click on Federal Taxes (Personal using Home and Business)
Click on Deductions and Credit
Click on I'll choose what I work on (if shown)
Under Your Home
On Home Energy Credits, click the start or update button
Or enter home energy improvement in the Search box located in the upper right of the program screen. Click on Jump to home energy improvement