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SUNandAIR
SUNandAIR
@sunandair
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Noble Member
Joined: Dec 30, 2022
Last seen: Jul 23, 2025
Profile Activity
Topics: 5 / Replies: 496
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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: 2185
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)
Reply
RE: Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.

@derek-m you’re welcome... This thread will take a different stance from your data driven modelling in Cathoderay’s thread since it’s obviously diff...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Creative trials on Night-time Setbacks to @ faster recovery, improved comfort and even greater energy reductions.
2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 43
Views: 5651
Reply
RE: Do setbacks save energy without compromising comfort?

i am at a loss to know how to interpret your comments Derek, You appear to be undermining everything anyone may post on these forums. I was about to ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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