the present invention generally relates to a method for manufacturing phase change material pellets . the method includes providing a melt composition including paraffin and a polymer . the paraffin has a melt point between about 10 ° c . and about 50 ° c ., and more preferably between about 18 ° c . and about 28 ° c . in one embodiment , the melt composition includes various additives , such as a flame retardant . the method further includes forming the melt composition into pcm pellets . the method further may include the step of cooling the melt to increase the melt viscosity before pelletizing .