Help! After the summer months I turned on my gas fired central heating yesterday. I get hot water but the radiators are all stone cold. I have read much advice here about bleeding radiators (and I mean bleeding them of water rather than me swearing about them!) and power flushing. I admit immediately to having the Midas touch in reverse when it comes to DIY. So far what I have read fills me with fear at the thought of me mucking about with my heating system. I know a very good corgi heating engineer who doesn\\\'t rip off his customers. So my question is this. Being someone who is rather nervous about attempting DIY is there any chance that I can cause real damage by simply bleeding my radiators without knowing all about plumbing etc? There seem to be a lot of knowledgable people on this site so I would really appreciate any advice you can give. Basically, should I simply call in the expert and ask him to sort it out as I certainly dont want to get it wrong and end up either drowning myself or blowing myself up! In other words is bleeding radiators a job even a DIY idiot like myself can take on or should I err on the side of caution and call in the professionals? By the way, if I decide not to do this myself is it likely to be a very expensive job to get my heating back on, assuming either the rads need bleeding or power flushing? Thanks a lot! Max