Last seen: Jan 26, 2023
I opened the valves on the actuators (white valves in the picture). This was to have an open system for the pump to heat the whole house at once. Orig...
Is there any reason to believe changing the delta T to 3 when it's milder outside is detrimental? I guess the trade off is possibly a circulation pump...
Yes it might be this asas I have never seen the pump go below 10l/min, which for a delta T of 5 that means 3.5kW. But then I do not understand why I c...
Does this mean that a smaller, 9kW heat pump can avoid cycling simply because it is "allowed" to have lower flow rates? If mine cannot go, say, below ...
Thank you for your explanation, I will need to think about this. Because I am still struggling to understand this point. Why would an oversized heat p...
Ah, that's what I feared. Why did they have a clearly oversized heat pump installed? That sounds counterintuitive as more costly to run. But wha...
@derek-m 3-bed semi detached, about 100 square metres. The MCS document says something like "Room specific heat loss 40-60W/m2" which I have no idea w...
Latest Posts
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RE: Midea ASHP – how to set weather compensation
I think this is very unlikely indeed. If the water is ...
By JamesPa , 54 seconds ago
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RE: Help me keep the faith with my air source heat pump installation
@adamk, interesting point. I’ve not focused much on Hea...
By Mars , 39 minutes ago
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RE: is a home battery without an EV worth it?
@jamespa having just had a heat pump installed I do won...
By AdamK , 10 hours ago
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Intelligent Octopus Flux (IOF) Review
I promised @toodles that I would provide an update and ...
By Old_Scientist , 13 hours ago
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RE: Electricity price predictions
Seems a lease to a 3rd party to place a battery inside ...
By Scalextrix , 14 hours ago
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RE: Octopus tariffs - a quick comparison
Interesting comparison! Another good angle is the dif...
By HCas , 15 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@julianc Our solar PV has produced more this August tha...
By Toodles , 22 hours ago
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RE: Who's your electricity provider and what's your tariff?
I am pleased to see the change. We definitely need t...
By Jeff , 2 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@jamespa Crossing sheep with kangaroos?
By Toodles , 2 days ago
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RE: How Do I Know When the Hot Water Has Run Out?
@transparent that is a very interesting suggestion, tha...
By GrahamF , 3 days ago
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RE: The good, the bad and the not that great – my heat pump installation
Sorry to resurrect this thread, but it is sort of relev...
By cathodeRay , 3 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
I missed your 22nd June post on this. I am sure it can ...
By cathodeRay , 3 days ago
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Now posting on the right topic.... With general build...
By benson , 3 days ago
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RE: How to waste energy (and time) playing with AI.
I’m sure like many software toys that it is addictive! ...
By Judith , 3 days ago
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RE: Does anyone have experience of a smart water meter?
@judith With Anglia Water it was a compulsory upgr...
By TechnoGeek , 4 days ago
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RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff
We’re high energy users other than the ashp so the OVO ...
By Judith , 4 days ago
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RE: What crazy nonsense are inverter limits and why are they imposed?
No I'm not mining anything @drei but I am doing R&...
By Transparent , 4 days ago
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RE: Rodents! A word of warning for heat pump owners
Wasps caused frequent tripping of my lighting circuit a...
By JamesPa , 4 days ago
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RE: Ecodan & MelCloud scheduling
Yes, the 2 are separate. To add to the complex desig...
By HCas , 6 days ago
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I should clarify that the FoxESS web interface is not l...
By Old_Scientist , 6 days ago
