Lowering heating bills

[old martParticipant @oldmart]

Not long ago I watched a tv programme on smart meters. At the end there was a tip for people with gas condensing that promises to save costs. I check this out online and the general concensus is to reduce the temperature of the heating flow to 60C. I lowered my Worcester Bosch 4000 from 65C to the recommended 60C and hopefully the gas used will drop. The noticable difference is that the boiler runs longer than it did,but at a lowering of the water vapor coming from the exhaust which is easily visible from the kitchen.

Has anybody tried this long enough to comment on any savings there might be?

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