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Kev M
@kev-m
Moderator
Famed Member
5557 kWhs
Joined: Mar 5, 2021
Last seen: May 6, 2024
Profile Activity
Topics: 11 / Replies: 1288
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Reply
RE: Do setbacks save energy without compromising comfort?]#

In the interests of science I'm going to take one for the team and switch to 24 hour operation. I'll then be able to compare with my setback data. I...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

Item 1. is by far the biggest factor IMO. This is from when I let the Ecodan algorithm do its thing unfettered. It's hard to factor in defrosts but ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

Are you sure about that? Really sure? 😆

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

@cathoderay I did use OAT to predict energy use up to a point; in order to estimate the energy use without setback I looked at other days with the ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pumps and noise

done now, hope it's OK

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Air source heat pumps and noise

I'll just record the meter screen of one I have with another phone. I'll do it tomorrow. Kev

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pumps and noise

Not sure about the app. All looks OK, the meter itself works. I then switch to camera/video but when I press record the dB shown jumps up 10 or so. ...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Air source heat pumps and noise

will do today.

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

WC is 45@-2 / 30@25 Glycol 25% flow rate is specified as 27l/min (I think I said 25 before) DHW 15:00 other electrical - not much. Washing mac...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

I PMd you but this is what I sent: Heat Loss 8.5kW @ -3 OAT LWT 50 Rad output 18500 at DT50 Room temp 21.5 throughout Flow rate not sure I th...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Do setbacks save energy without compromising comfort?

... and when it's all ticking over nicely, one of the Humans in the house hangs the washing on all the radiators!

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Do setbacks save energy without compromising comfort?

I'll be interested in what the model makes of my data. I think my ASHP runs reasonably close to the data book; it's a simple set up and it's never ov...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
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