Professional Builder reviews Herschel Select XL Professional Builder magazine outlines how easy it is to install our Herschel Select XL panel, seen here being mounted in an attic games room. Related posts:Select the XL for 10% higher efficiencyIntroducing our practical, modern and very cool new heaters!Unbeatable style and performance with Herschel's NEW Select XL range Posted on 18th July 201620th July 2020 by Sam Abel