For 2018 returns, the only products eligible for the Energy Credit are solar
products.
If the roof was installed in 2016, you can amend your 2016 return to
include the expense. Metal roofs with appropriate pigmented coatings, or
asphalt roof with appropriate cooling granules specifically designed to reduce
the heat loss or gain of your home could qualify for the credit.
The Energy
Star website lists several Owens Corning Duration products that
qualify. To be sure your product qualifies, contact the place you
purchased it from.
To amend a prior-year return, please see the information in this FAQ:
https://ttlc.intuit.com/replies/3288565
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