Last seen: Dec 4, 2025
@editor Why This Must Change The UK government needs to scrap the marginal pricing model and adopt a fairer system that reflects the real costs of ...
@cathoderay The problem is, unless I have missed something, is he just asserts system volume 'really helps' with defrosts, which I take to mean it re...
@jamespa Multiple zones (with all that implies), buffer tanks/low loss headers, volumisers (which should be distinguished from buffer tanks as they...
Meant to add this but have been buried under piles of work. My submission: "The proposal to add the cost of an additional allowance for the Networ...
@transparent The solution is to mandate the need for rooftop solar panels, but using an inverter which doesn't permit export. The electricity sho...
I second this - pure weather compensation works extremely well on my Daikin - no cycling when it's mid-range OATs and it maintains the inside temperat...
@jamespa The article goes on to say this "However, minimum standards for energy efficiency in newly built properties under the rules will preclud...
I can't give you graphs but.... ASHP Daikin Altherma 3-6kw Heat loss? Dunno design temp by me 39º @ -3º Control mode: pure weather compensation...
@jamespa To me demand management is an alternative to infrastructure investment, and in principle a sensible one at that. Projecting forwards to w...
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We are 2 weeks away from our HP install. In October I...
By Bash , 3 minutes ago
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RE: Experience - New Build / Complete New Heating System
Welcome to the forums @vincro and good luck with finali...
By Mars , 4 minutes ago
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I’m glad the cold spell is over!
Just a sigh of relief that the cold spell is over and t...
By Judith , 15 minutes ago
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RE: Heat pump not reaching flow temperature
@jamespa the compressor does run at max operating frequ...
By DaveC , 17 minutes ago
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RE: Post-Traumatic Heat Pump Stress Disorder
@johnbroome As I say I think you probably have a fau...
By JamesPa , 28 minutes ago
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RE: Recommended home battery inverters + regulatory matters - help requested
So far as i can see no because its NOT connected to the...
By JamesPa , 2 hours ago
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RE: Please help with the settings ecodan
Hi and welcome to the forums.Does your system use a Mit...
By Sheriff Fatman , 2 hours ago
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RE: New Daikin 11kW Altherma 3M install - is it working as it should?
I forgot to mention: Octopus measured our heat loss at ...
By Toodles , 3 hours ago
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RE: Considering MLCP (Multi-Layer Composite Pipe) for ASHP
Thanks Mars and thank you for reaching out to so many p...
By iotum , 3 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: @davec Manufacturer: Peak Energy Mode...
By DaveC , 3 hours ago
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RE: Rate the quality of your heat pump design and installation
@radwhispererdwhisperereorourkeditor Well, the guy came...
By razz , 3 hours ago
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RE: Setback savings - fact or fiction?
Given the weather has been relatively stable, the empir...
By Batpred , 4 hours ago
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RE: GSHP WOES! Midland based engineer recommendations?
@editor That is very kind! Thank you so much.
By johnbroome , 5 hours ago
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RE: ASHP Energy Consumption: Aira 12kW heat pump
@wally Hi I am not sure how large your house is b...
By TechnoGeek , 6 hours ago
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RE: Predicted Heat Loss & Needs from MCS calcs vs EPC vs actual
I've been thinking along similar lines to @tim441 from ...
By Sheriff Fatman , 7 hours ago
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Thanks, @technogeek. Good to hear about the accuracy. ...
By Majordennisbloodnok , 7 hours ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
In my case it was a very specific pattern of behaviour ...
By Sheriff Fatman , 7 hours ago
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RE: Vaillant aroTherm not heating with many faults
@ashp-bobba Yeah I'll give it a go, will check filter...
By Anon67 , 8 hours ago
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RE: RDSAP10 effect on existing heat pump EPC rating?
@transparent Perhaps the names at the end of the docume...
By Toodles , 8 hours ago
