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Last seen: May 19, 2026
Not great. Average run time < 1 hour. Suggests cycling on thermostat or due to oversize. However not that many hours either, when was it fitted? ...
I would leave for now, make only one change at a time! NR mode will likely improve efficiency but no idea if it's significantly. Of course it also c...
I'm guessing the sharp dips in FT are defrost cycles. Recovery is slow and I cant see the expected spike immediately after defrost. Have you got 'qu...
Save yourself some angst. Until the flow rate is fixed there is nothing worth speculating about. Once its fixed then measure the temp drop across ...
Mine is running on a 3B, albeit one with the official power supply. The power info is currently flaky (known issue with the integration) but you can...
Are you able to post any graphs? Unless its cycling or defrosting it should be achieving (at the heat pump) a COP close to spec. Defrost can cripp...
So at DT 5 (the normal design DT for heat pumps) that will transport 4.2kW (assuming water, about 10% less if its glycol). Is that sufficient, if no...
Hi, and welcome to the forum. I cant quite understand whats going on in the charts because the labels arent obvious. Cn you clarify whic...
Really good episode thanks for that. Uplifting as well as informative and, dare I say, it giving real hope. The guy from heat geek (James?...
Very sound reasons imho. My current feel, albeit based almost entirely on hearsay and what they say, is that they have a good mass market offering. ...
That's interesting. We don't know what design trade offs octopus, or for that matter any other heat pump manufacturer, have made. Octopus however ...
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RE: Estimating true heat loss from twelve months of consumption data
Not sure how heat geek ‘estimate’ heat loss online but ...
By Travellingwave , 16 minutes ago
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RE: UK warm homes plan - how can it be delivered?
Agree it could sometimes be self inflicted, but I also ...
By Batpred , 6 hours ago
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RE: Daikin Altherma 3 with Fan Coils in Puglia (Italy)… Sanity Check on System Operation
If they don't do heat loss, you need another installer....
By bobflux , 6 hours ago
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RE: Lower electric tariffs for heat pump users
I did some modelling using our real consumption figures...
By ChandyKris , 8 hours ago
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RE: Loud noises in the night - and one for the toolbox?
This may work hopefully now
By Jancold , 8 hours ago
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RE: ASHP Capacity loss with aging
I think the laws of thermodynamics pretty much guarante...
By JamesPa , 10 hours ago
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RE: Sizing an ASHP; Heat loss and kW
There will be no changes internally; ground floor is al...
By GutoFfowc , 12 hours ago
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OK, here's a rather off-the-wall discovery I've made th...
By Majordennisbloodnok , 12 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
I'd like to re-visit this information from Indevolt. ...
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RE: Advice on Vaillant Sensocomfort
I just had an answer from Vaillant technical, they only...
By Batpred , 14 hours ago
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RE: Setback savings - fact or fiction?
Yes, also the higher OAT end is possibly a smidge high ...
By RobS , 1 day ago
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Hi Mars, I've sent you a request to connect me with a...
By sttpd1917 , 1 day ago
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Grant Aerona R290 (15.5kW) - How is DHW Target Temp calculated?
Hello all, We have just had a Grant Aerona R290 insta...
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RE: Debugging my legionella immersion heater
I notice this (66 is rather hot) with my legionella cyc...
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
@transparent I thought you would spot that wind turbine...
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