Whomever sold or installed such items for you would certainly have that information including what forms or proof you require to be able to make a claim, if any. Congress did pass and Obama did sign an extension for most of the items that had been allowed in the past. This is a one year extension of all residential credits that existed in 2013. They have not been extended to 2015.
https://www.congress.gov/bill/113th-...bill/5771/text see sec 151