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SUNandAIR
SUNandAIR
@sunandair
Member
Noble Member
Joined: Dec 30, 2022
Last seen: Oct 22, 2025
Profile Activity
Topics: 5 / Replies: 499
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Reply
RE: Do setbacks save energy without compromising comfort?

no apology needed Derek. It was more important to me that you at least understood what my post was driving at. And as you noticed the chart did ind...

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

@jamespa thanks for your rounded comments. It may create more room for further discussion. Hopefully future controls will will be more intelligent. In...

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

Thank you @derek-m for your reply. My post dealt directly with the issues of controlling the speed of recovery. So perhaps you might like to read m...

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

Is this topic causing so much debate because there has always been a problem with heat pumps operating at varying set temperatures? And has someone in...

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

Thanks for your reply @jamespa I can add more data as per your comments. “I can't see a way to get efficiency from the data. If you had flow rate ...

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

@cathoderay yes you echo what many people do and it’s how we have done so. @jamespa the upload might work now.... However I’m trying to isolate an...

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

@jamespa a picture paints a thousand words… but unfortunately I can’t upload what I’ve set up at the moment 🫤 I just get “undefined”

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

quick question on likely savings. There have been many people over the past year, shocked and surprised at how quickly heat is lost from a hot water...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Interesting development on defrosting

@iancalderbank that’s useful to know. Your point on humidity chimes with today’s performance with our heat pump. It’s 2c and our HP is working hard ye...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Ecodan spells out end of R32 for real environmental alternative
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 4
Views: 2508
Reply
RE: Ecodan ASHP not switching off?

@mandie could be the batteries on your wireless controller - 2 X AA batteries. Tell tail sign is if your wireless controller will not operate in Auto ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Does your heat pump calculate and provide you with a COP figure?

Our Ecodan data is available on a daily update on the controller and gives a running total for a month or year. However If you want daily COP figures ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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