Last seen: Oct 16, 2024
@kev-m I think that’s a fair challenge and has been bought up on that site too, I didn’t write the content, just contributed my experience with the in...
@greekgoddj @transparent was referring to a thermal storage to hold energy, this is different to the basic DHW cylinder. Check out this article where ...
@jonathans good spot. I did contribute to that post over on the OVO forum. I was initially a causality of a poor installer but after a lot of to and f...
@peterr I’m part of a trial looking at retrofitting ASHP to properties and my system was audited. The external insulation on the flow/return was picke...
@toml1981 I have a four bed house, obviously could be lots of other differences, but I’ve been running my system as Derek describes for the last two w...
@alec-morrow welcome to the forum, I’ve only been here a few weeks. As a casualty of an underperforming ASHP controlled by a dodgy thermostat it’s goo...
Thanks Derek Ive used your numbers, I don’t think they are far off my pump, the Daikin is smaller but isn’t quite as efficient, so close enough for ...
Not sure it makes much difference but the total emitter output at deltaT50C is 21500w, another thing incorrect on the original installers heat loss re...
@derek-m I've put my numbers in to your modelling sheet. Not entirely sure I understand what is that's going on, but if I'm reading it correctly I ...
Hi Derek I balanced the system about a month ago but it's not been done by a professional. I've watched some YouTube videos and have a IR thermomete...
@saenergy My controller is set to a 7C differential but I'm definitely not seeing that differential at the lower leaving temperature, though the ho...
@derek-m Hi Derek I would be good to try some different numbers in a modelling tool. Are you able to send me a copy please? COP still hovering ...
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RE: Is it mad to think there should be a minimum SCOP for UK heat pump installs?
@jamespa, I don’t think that’s quite right. The regulat...
By Mars , 6 minutes ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
It is… in theory. But after some rather painful convers...
By Mars , 11 minutes ago
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@agentgeorge That’s a ittle too inscrotumable for me… T...
By Toodles , 43 minutes ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
We’re really excited to be recording a landmark Homeown...
By Mars , 1 hour ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thx, but Sven did the hardware development. My role (as...
By Mosibi , 1 hour ago
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RE: Mitsubishi Ecodan R290 10kW performance
Are you using Havenwise for Hot Water? I have ...
By F1p , 2 hours ago
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RE: PV Panels on roof in Conservation Area
@majordennisbloodnok Fnaargh, I was thinking about try...
By colinc , 3 hours ago
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RE: Electricity price predictions
@jamespa Ah, you mean MPs that have not pro...
By Batpred , 4 hours ago
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RE: Buying large amp bidirectional RCD and RCBO
Exactly @transparent , this type of RCBOs are not easil...
By Batpred , 4 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - though I realise I am a Canute, I have an...
By cathodeRay , 4 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
And just when I think great they’re coming next week to...
By Crimson , 7 hours ago
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RE: Very Much Awake – Renewing the Heating Industry One Step at a Time
I feel that that attitude shared by Aadil from Heat Gee...
By Toodles , 8 hours ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
and we have some of the strongest tidal flows anywhere ...
By Old_Scientist , 10 hours ago
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RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems
This looks OK. Overall you have roughly the right amoun...
By Old_Scientist , 11 hours ago
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RE: How can I programme a setback for my Samsung Gen6 8kW heat pump?
I'm not familiar with Hive thermostats/controllers, but...
By Old_Scientist , 11 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa mine seems changing albeit not by much, 3.21, ...
By AdamK , 1 day ago
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@majordennisbloodnok The migration hasn't started in th...
By HCas , 1 day ago
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RE: One room is colder than the rest of the house
@jamespa thanks for all the advice. Just so you know, ...
By AndrewJ , 1 day ago
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RE: Daikin Octopus installation update - I saw my first defrost. 😍😂
My MMI is in the loft but I checked the pump flow rate ...
By RadWhisperer , 1 day ago


