Last seen: Oct 24, 2025
I would use the ASHP for HW generation, as, even accounting for the fairly slow pre-heat time when the flow through the ASHP cools a bit before warmin...
"He's got heat meters fixed to the pipework. Room temperature monitors" @mjr they got thrown under the BUS. The current BUS scheme requires no energ...
@andris EPCs can be a load of rubbish, my EPC when I was heating by oil rated my main heating and hot water was 'average' with a boiler that was 80% e...
@marvinator80 sounds all good. Pleased it has gone well. My wallet-busting 260kWh consumption last week was offset a little by a decent 60kWh solar PV...
@derek-m good point. I had an iboost fitted 6 months ago. More recently had a 6.5kWh Growatt battery fitted to my Solar PV. I have found that charging...
ASHP running costs can go up massively when the average daily temperature drops near freezing, defrost cycles start kicking in, and the house heating ...
@marvinator80 if your Grant installer has used external 3rd party time clock for daily HW cycle and external 3rd party thermostat for CH control, they...
@marvinator80 great all is installed and running. I have set the cylinder stat to 50degC, which requires the ASHP to provide water at 55degC. It usual...
@parmstar Great, les us know how you get on. Piping on your circuit is simple enough, and with a hybrid bivalent system I can see the LLH being of ben...
Is it the radiator side of the LLH that's not reaching temperature? Or does the heat pump monitoring show it's not achieving 50degC supply temperature...
@morgan that one has me scratching my head. First heard of this scheme on the Martin Lewis programme. Until late October I was off mains gas with heat...
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RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems
Thats definitely not a bad approach, combined with a bi...
By JamesPa , 15 minutes ago
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That's better news. If Cahill can locate the problem ...
By Transparent , 21 minutes ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@jamespa Likewise in many respects; we don’t have an EV...
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RE: PV Panels on roof in Conservation Area
Oh I see, I thought that there might be some sort of ga...
By JamesPa , 3 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thanks @grantmethestrength and @cathoderay . The reas...
By benson , 12 hours ago
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RE: Midea ASHP – how to set weather compensation
@dgclimatecontrol - you have awoken me from my several ...
By batalto , 15 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 , 16 hours ago
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@majordennisbloodnok The migration hasn't started in th...
By HCas , 17 hours ago
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RE: Buying large amp bidirectional RCD and RCBO
There won't be many RCBOs with a 100mA trip rating beca...
By Transparent , 18 hours ago
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RE: Electricity price predictions
Because its what the investors demand, simple as that. ...
By JamesPa , 18 hours 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 , 20 hours ago
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RE: Mitsubishi Ecodan R290 10kW performance
@dgclimatecontrol I only have 1 cylinder and I can conf...
By Ecoste , 20 hours 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 , 21 hours ago
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RE: Grant Aerona 3 and Drayton system questions
Good man/woman that plumber! Very likely....
By JamesPa , 21 hours ago
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RE: New build installation query
@paullacey Hi I have managed to save the fil...
By JamesPa , 22 hours ago
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RE: What should we do with our Aga?
One slightly off-the-wall suggestion is that, if you li...
By Majordennisbloodnok , 1 day ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
If you paid for any of the assessments try asking for t...
By JamesPa , 2 days ago
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I've created a separate post here, wondering about radi...
By DREI , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@ecoste, @walnut-tree-cottage these are both great piec...
By JamesPa , 2 days ago


