How could I adjust my Air Source Heat Pump settings in order to reduce my electricity bill?

For my house with a total floor area of 130 sq m my January cost was £175. That is £1.34 per sq metre. What does your equivalent cost work out to be? 

It might be your high costs are related to the size of the building and the insulation values of the walls in which case your system may be working ok but there may be a way to make it work a bit better.

Peter 

Sorry. A few more questions:

Where are you ? What tariff are you on ? 

Would you say the house was too warm ? Are your two zones actually upstairs (33 deg flow) and downstairs (29 deg flow) ? Maybe your bedrooms are downstairs ? You could reduce the flow temperatures a little, bedrooms are usually targeted at 18 deg room temp and living rooms at 21 deg room temp.

What temperature are you heating the hot water to ? Do you have it on Schedule only, Schedule and reheat, or Reheat only ? Do you ever run out of hot water ? Reheat only is often reckoned to be the more expensive option. If scheduled what time is that set for ?

I presume you mean the Wednesday refresh of the hot water is the disinfection cycle - you could switch that off*. That would save you something on the bill. We haven’t run a disinfectant cycle for a few years now.

*You need to be in installer mode to get to that setting: password 5678 and it’s in the Tank menu.

(Sorry to end sentences with a preposition ​@Firedog )

I am sorry I can’t answer these questions, but think we need to get an engineer out to it, give it a service and sort the settings out.  No we don’t ever run out of hot water.    Does anyone know a Daikin engineer that can cover the Disley, Stockport, Cheshire area?  Thank you all for your help, I will let you know how we get on.

Just going by the fact that you say it’s a converted barn it sounds a lot bigger than my house so your costs will be proportionately higher, however, a visit from an engineer might not go amis.

You could try looking here from the Daikin web page. Hope that goes well.

https://www.daikin.co.uk/en_gb/residential/inspiration/articles/let-daikin-find-a-heat-pump-installer-near-you.html

Peter

Have I ever remarked on anything of the sort? I’d be just as likely to write “That is the sort of language up with which I will not put.”

Or to quote my ten-year-older sister complaining about toddler Firedog’s choice of bedtime story, “What did you pick that book to be read to out of for?” (Incidentally, she was instrumental in getting me to read for myself long before my fourth birthday.)
  

[ETA just for fun]

The ‘Firedog’ epithet didn’t become a thing until half a century or so later, and that’s a story for another time. At this earlier stage in my curriculum vitæ, my sister usually called me ‘Boyling’ and referred to me as ‘the boyling foul’ - the only example of a triple metaphor I can think of at the moment.

If the heat pump has been in a while an engineer to visit would help alongside hopefully being able to show you more of the controls.

One other thing looking at the information you’ve given relates to your tariff. There are companies who offer tariffs targeted at heat pumps .. not sure what OVO offer these days. You may well find something better for your specific situation.

Have you looked at the Daikin Altherma Facebook group? Most of these specific groups have some very knowledgeable members who like to help, even if it's just to suggest a nearby engineer. The Heat Geek Facebook group is worth a look as well, a general ASHP group, lots of helpful members but they're also linked to approved heat geek installers and service engineers based all over the UK. There's many similar stories to yours on the heat geek group where  owners are frustrated at bills of a similar level over the last couple of months.