free heat and hot water for 20 yrs

[Alterego]

if youe got an existing good system (say a combi cindenser type) and you want to add a solid fuel to it as a shtf back up you may want to consider one of these.....

http://www.dunsleyheat.co.uk/neutralizer.html

they have multiple input and even allow wet solar to be hooked up


Alterego