I did a few posts in the Gas section that have been suggested maybe they should be mentioned in the DIY Forum, so here they are:

http://www.saverscene.com/gas/483-fi...tar-combi.html
http://www.saverscene.com/gas/484-ho...ng-system.html
http://www.saverscene.com/gas/482-ho...gas-bills.html