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Last seen: Jul 14, 2026
@mikeh It's running on an off peak schedule now. To be honest, I don't see a drop in COP. There was only 10 minutes of hot water left yesterday night,...
@mikeh I thought so too, the efficiency can't be that bad if you run the hot water once at night. Yes, maybe when you have visitors and during Christm...
@jamespa Few others on the forum mentioned about the 18 degrees too. But, the design engineer didn't budge. I wonder whether that's to keep the existi...
@mikeh Watched your latest YouTube video today. Thanks for the good work. In the video you talk about the hot water schedule during off-peak hours. ...
@transparent As it was a retrofit, changing 10 mm microbore to bigger pipes was out of question. Changing pipework for a three storey house would have...
Thanks @judith. Definitely, the upstairs bedrooms get a lot warmer, they are all exceeding 22 degrees and staying at that temperature steadily. I have...
Thanks @jamespa for the pointers. There are TRVs on all the rads, but they all are fully open. We have 10 mm microbore to the radiators. Let me check ...
We even got to see a defrost cycle! Mrs was wondering over breakfast what's that smoke coming out of the heat pump, and she was worried something was ...
Aira managed to send an engineer at 5:30 pm today and it took a while, but thank Higgs Boson, we have heat! It was up and stunning around 8:30 pm star...
Thanks @andrewj. Hope my bad experience didn't put you off. Others in the forum have had good experiences, so maybe mine is just an odd one out. I ...
Day nine gone, the heat pump is still not commissioned. There's a sensor problem and there's no electrician onsite to help the lead engineer. Now, the...
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RE: Samsung heat pump - data cable issue
Well that's interesting. If it needs fat cable it's be...
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RE: Rate the quality of your heat pump design and installation
I'm kind of at the end of my heat pump installation now...
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RE: MCS Quality Audit – Has Anyone Had One? Did It Lead to Remediation?
I got hit with an RHI audit in 2022. It was far from c...
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RE: Electricity price predictions
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Given the way radiation and convection effects don't wo...
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@jamespa haha very true, although the engineer yesterda...
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RE: Vaillant Arotherm Pro vs new Plus
One of the test modes in the installer menu forces it t...
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RE: What a difference a few degrees make.
Wow. Having accepted the challenge, I ran the cold tap ...
By Old_Scientist , 1 day ago
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RE: HeatPump maintenance in Swindon area?
@vince31 have you tried using our finder:/p>
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Looking for beta testers for a new homeowner heat pump tool
Over the past few months I've been building a brand new...
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RE: Renewables & Heat Pumps in the News
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