Last seen: Oct 30, 2025
@roamingbull or disable weather compensation for a short period and revert to constant higher flow temperature. My 10kW Aerona is defrosting every 45 ...
Welcome to the Cosy corner @Toodles. We pay an average of 20.4p/kWh including VAT & standing charge. 88% of our electricity import is at the low r...
There are specialist cleaning solutions for heat exchanger fin coils. I would recommend you have the heat exchanger cleaned as part of a professional ...
Hi all, crunching year end numbers. I'm on 'Cosy Octopus' 3 tier tariff, and in the winter heating season I schedule charge my 13kW of solar PV batter...
Little spread sheet to play with here , you can change your 2102 max LWT and 2103 min LWT parameter settings in this and see what it does. It shows ...
Yup, 2102 is the main parameter you need to adjust, if you find the house not keeping temperature as the outdoor temperature lowers, then raise 2102 b...
(hope you don't me chiming in here @derek-m as a fellow Grant owner) @roamingbull, check 2100 is set to 1, and as a default I would set 2101 to 45degC...
@mikefl this is really informative, and echoes many of the experiences of those of us who have had Grant ASHPs installed. So you're yet another Grant ...
Link to weather compensation adjustment for Grant Aerona./p>
@bontwoody well done in helping a vulnerable person out. What a monumentally stupid controller installation location. Do you know who the installer wa...
@jamespa it’s madness isn’t it? My neighbour’s oil boiler flue is particularly noisy with a pure tone aspect. It’s the dominant noise source when stoo...
@cathoderay the data is my daily electricity consumption, you'll just have to trust me on that. Tried keeping ASHP on overnight vs switching off overn...
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                        RE: Daikin Altherma 3 / HomeAssistant I don’t have a Shelly EM on my heatpump, so only see th... By DCSH , 3 hours ago 
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                        RE: Help me keep the faith with my air source heat pump installation have you got an ebus adapter on yours? By AdamK , 3 hours ago 
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                        RE: When will fusion be producing energy? From the time I was a physics undergraduate it’s been 2... By Judith , 3 hours ago 
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                        RE: Is it mad to think there should be a minimum SCOP for UK heat pump installs? Sadly I think it is mad. If the BUS is not granted for ... By Judith , 4 hours ago 
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                          RE: Who has a V2G EV installation Perfect, @agentgeorge. I’m always up for some edificati... By Majordennisbloodnok , 4 hours ago 
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                        RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus Yes but... The evidence is that many heat loss survey... By JamesPa , 5 hours ago 
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                          What Adam Chapman gets up to in his Spare Time. Ok, so this just appeared on YouTube (don’t blame me th... By Toodles , 5 hours ago 
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                          RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems That's my main concern too. On top of that, I ... By DREI , 7 hours ago 
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                        RE: Are We Sleepwalking Into Another Race to the Bottom? Also it embeds a complex system, almost taking the home... By JamesPa , 7 hours ago 
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                        RE: Grant 13kW Aerona3 - issues getting zones to temp Thanks, patience is something I’m trying to ma... By Crimson , 9 hours ago 
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                          RE: Midea ASHP – how to set weather compensation @pash44pump - AI may have its uses (and I sort of allow... By cathodeRay , 13 hours ago 
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                        RE: Mitsubishi Ecodan R290 10kW performance Totally agree that any system is reliant on the ability... By Sheriff Fatman , 13 hours ago 
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                        British Gas Heat Pump Installation Complaint In 2024, my wife and I thought that we would try to do ... By BGNO , 15 hours ago 
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                          Erm... no we can't! The issue first raised by the OP ... By Transparent , 15 hours 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 day ago 
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