This contains data published in Abed et al JNNFM v231 (2016) pp68-78 "Experimental investigation of the impact of elastic turbulence on heat transfer in a serpentine channel" Microsoft excel is required to read the data files. The data set comprises two sets. One excel file containing all processed data sets and one rar file (which contains the individual data sets). Any issues please contact the lead author directly by email (robpoole@liv.ac.uk)