In this episode Nathan chats to Paul Spence, a very competent and highly regarded heating engineer. Paul installs a range of heating system types including heat pumps. It's a long but highly interesting episode. If you want to hear Paul's credentials first skip to around the 1hr 05 min mark... and then come back to the beginning of course. Paul also runs the facebook group HeatPumps UK...check it out Enjoy! Support the show