Less than 2 months on gas

Cardew

lstar337 wrote: »

I would say that too, but our boiler says otherwise!

I would turn ours down as it comes out extremely hot, but the dial on our boiler has an 'e' where the knob is set as this is the economy sweet spot. The manual says it is the point where the boiler is operating at its most efficient.

So do you turn it down to save on gas but at the same time sacrifice efficiency?

Hard to know if it is best to just leave it where it is, or try turning it down.

Anybody else got any thoughts on this?

Depends if you have a condensing or non-condensing boiler.


My understanding, after a call to the manufacturer, is that with a non-condensing boiler, higher temperatures are marginally more efficient. However in summer losses from pipes etc might negate any savings. In winter any losses warm the house anyway.


With Condensing boilers it is black magic as far as I am concerned.

helptoyou

daveyjp wrote: »

If you really think this is too much (I don't), start by turning your hot water temperature down to about 45 degrees. Heating water so it is too hot is just a waste of gas.

Just had our quarterly bill and it's £45 and that includes cooking with gas and occasional gas fire use.

Hot Water temperature scales marked: you should set them at between 60ºC and 65ºC. This is hot enough to kill off harmful bacteria in the water, but it s also hot enough to scald.

Smiley_Dan

Do you always have to have it heated to 60C though? I was wondering that myself... I wondered if a weekly burst to 60C would be ok?

I think that's how ASHPs work, and it may well be for us during spring/autumn when solar is not at its highest, and we are not using any other heating, that we don't achieve 60C over a week (this week in fact although later today's looking sunnier).

AFAIK there has never, ever been a report of Legionnaires in a domestic property. Doesn't mean there can't be, but...

System

Smiley_Dan wrote: »

Do you always have to have it heated to 60C though? I was wondering that myself... I wondered if a weekly burst to 60C would be ok?

Or, alternatively, cool it below 20C.

http://www.nhs.uk/Conditions/Legionnaires-disease/Pages/Prevention.aspx

lstar337

Cardew wrote: »

Depends if you have a condensing or non-condensing boiler.


My understanding, after a call to the manufacturer, is that with a non-condensing boiler, higher temperatures are marginally more efficient. However in summer losses from pipes etc might negate any savings. In winter any losses warm the house anyway.


With Condensing boilers it is black magic as far as I am concerned.

It's a brand new condensing combi.

Maybe I'll just try turning it down and see if the gas usage drops. I have weekly readings to compare so it should be fairly easy to see.

[Deleted User]

Surely heating it to 60c only applies if you have a hot water cylinder where you store the water, not a combi boiler where the water is heated when you use it.

oldskoo1

Well £13 is what i use every month (excluding standing charge of £6!) at the moment in the summer.

In cold winter months its nearly £200!!

So £13 for 2 months is good going surely.