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JamesPa
@jamespa
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Illustrious Member
Joined: Apr 3, 2023
Last seen: Aug 28, 2025
Profile Activity
Topics: 17 / Replies: 2711
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Reply
RE: Totally bewildered with my ECO4 heat pump installation

I suspect this is target dhw temperature and current dhw temp,erasure.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Totally bewildered with my ECO4 heat pump installation

I am sorry to hear about your problems. I know nothing about ECO4 but do know something about heat pumps which should be a factor of 2-3 cheaper t...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

Please thank @judith who posted this initially!

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

I have now read this in full. Very interesting and logical. One of the better papers I have seen in relation to ASHPs!

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Vaillant Arotherm ASHP gets noisier when it gets colder outside

@judith Thanks for posting these, I have skip read both and intend to read them fully. They both look to be interesting and have some useful insight.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

Perhaps. My 200 sw m 1930s retrofit with fabric upgrades of various quality at various times has a measured loss (from gas consumption) of 7-7.5kW. ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What to Expect During Your First Winter with a Heat Pump

Just to put the other, more positive side of this argument, I have now had my heat pump for just over a month and, because the temperature has been al...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

Well in fairness it's his job! No need to answer the questions btw, you could as you say just leave it to the installer.

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Mitsubishi Ecodan 8.5kW Monobloc (FTC5) Defrost Mode

Worth measuring, some ashps have a temperature offset setting which could be fooling the app. Also worth measuring the other two ports on the llh. ...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Controversial opinions - pure weather compensation, buffer tank, heat loss, oversized heat pumps

I realise that maybe the case for your customers now but the statement that bigger is better (and more importantly that you don't have to change the f...

7 months ago
Forum
Air Source Heat Pumps (ASHPs)
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