To calculate the credit, you will multiply the lower of your cost or $2,000 by 30%. The maximum credit is $600 for an air conditioning system.
Here's how to claim the credit in TurboTax Online:
Upon opening TurboTax, choose Deductions & Credits
Locate Your Home
Start/Revisit Home Energy Credits
On the Energy Efficient Home Improvements screen, select Yes then Continue.
Answer the next few questions until you get to Did you have any of these residential energy property costs in 2024? Qualified central air conditioners are listed here. Select Yes and continue.
Make sure you enter the total cost and answer the questions about ownership and location of the home.