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jamespetts
@jamespetts
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Joined: Nov 4, 2024
Last seen: Sep 21, 2025
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Topics: 3 / Replies: 27
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RE: Shutting down heating when out for the day - data

So far, the house has been comfortably warm when I get home. The door to door journey is about an hour, although yesterday, I stopped to talk to some ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

Friday and Saturday's data are probably contaminated with confounding factors as I had builders in leaving doors open. But Sunday's and to-day's are i...

12 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

To-day's data: heating off between circa 1530 and 2230 outdoor temperature 10.7C, heat curve 0.50, 2.4kWh consumed.

12 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

Accidental multi post.

12 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

Accidental multi-post.

12 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

My purpose on creating this thread was simply to document my tests of the oft-made claim that leaving the heat pump running all day is ultimately more...

12 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

That is what I am trying to compare - I am trying to get my heat curve right for "low and slow" heating when I am present (0.5 so far and still enough...

12 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

I believe that my floor area (excluding the unheated conservatory and downstairs lavatory, and excluding the shed which has an independent heating sys...

12 months ago
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Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

Interesting. It is still worth turning the heating off when I go out for the same reason that it would be worth turning a 100W bulb off when I go out....

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

Yes, 3.7kWh was the total space heating consumption yesterday according to the MyVaillant app. Is that low? Total electricity demand yesterday overa...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

Latest data: 6 November 2024; heating running all day; 3.7kWh heating demand; outdoor temperature average 10.5C; heat curve lowered from 5.5 to 5.0 du...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Shutting down heating when out for the day - data

I am aware of the significance of not asking for a high heat demand in the 1600h - 1900h period, and so try to return home after this where possible. ...

12 months ago
Forum
Air Source Heat Pumps (ASHPs)
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