JulieS
Expert Alumni

Get your taxes done using TurboTax

Yes, the law refers to Energy Start 6.0 as the standard for windows, but the actual ratings are much harder to determine. 

 

The IRS instructions state:

 

"For purposes of taking the credit, you can rely on a manufacturer’s certification in writing that a building envelope component is an eligible building envelope component." from instruction for Form 5695

 

 

See the image below for the Energy Start 6.0 ratings for windows:

 

**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"