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SUNandAIR
SUNandAIR
@sunandair
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Honorable Member
Joined: Dec 30, 2022
Last seen: Aug 13, 2026
Profile Activity
Topics: 5 / Replies: 564
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RE: Setback savings - fact or fiction?

Hi Captain @cathoderay, When have you asked for any data from any charts I have produced and I have refused you? It’s all simple really. The charts ...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

@robs and @cathoderay I can understand that you may well have anxiety about accuracy of data being so keen on data, but this isn’t a concern of min...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

@technogeekk there are other strategies for saving money open to your kind of setup based on the kit and property you have listed. And I’m guessing yo...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

So, as James suggests in a thread above. You can’t make a universal statement about a heat pump performance if it only applies to a specific system. T...

8 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

    Are you sure About that, @robs because that’s what I was saying earlier. Here is a post I made

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

  Hi @robs. Your summary of defrost is missing and/or misplacing the full defrost ELECTRICAL energy, mainly because the real defrost period is ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

    I will reply to your other comments later but just to answer your first point….In your summary did you not say: “But the system...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Rob I posted this question in full knowledge of your energy flows summary with 11 minute data charts. I was asking for more information. The problem I...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Hi I’ve reposted the two contrasting defrosts from the above post and re labelled them so the contrasting defrost periods can be compared. They are de...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

Hi @robs Can I ask you to explain what you see as the energy attributable to the defrost and defrost Recovery. To my mind there are some energy act...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

@jamespa yes I see what you mean. I think what was on my mind is how to read the impact of the eventual drop in return temperature water. What I’ve n...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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RE: Setback savings - fact or fiction?

I see things have moved on, all of a sudden and Rob has introduced interesting variants of defrosts across various brands. im glad the topic of lag ...

9 months ago
Forum
Air Source Heat Pumps (ASHPs)
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