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Last seen: Oct 10, 2026
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 ...
That alone, assuming it's true, suggests that generation is too lucrative. Which prima facie is at variance with zero bids for a windrarm licence cal...
Cosy if the only heat pump I know (and I have looked at the manuals to more than a dozen) which imposes such a high minimum flow temperature @ the col...
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Latest Posts
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RE: PV and battery long payback - sense check query
@energystoragetech it's highly improbable that @davidb ...
By Transparent , 2 hours ago
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RE: Heat Geek installations: share your experiences
@editor I suspect that the Heat Geek online quote is a ...
By AndrewJ , 2 hours ago
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RE: tepeo ZEB UK Support & Info Thread
@toodles The tepeo ZEB is a residential heat battery, w...
By wully , 2 hours ago
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RE: Adding additional Solar Panels to a DC coupled battery system
Ah, yes. Thanks for clarifying.
By Transparent , 3 hours ago
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
Ah, that explains it. Thanks! Then I agree with ot...
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RE: Home energy storage & battery register
A useful register should record model, usable kWh, inve...
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RE: Vaillant ecoTEC Plus - Flow Temp and Set Up
@trebor12345 I have been meaning to get home assista...
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SunSynk hybrid inverters also have the capability to as...
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RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
If you've got a sash window or a door you can remove th...
By EtchedPixels , 18 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Roughly how most air/air is done except that step 3 doe...
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RE: Nook batteries from Octopus
@batpred If your energy use is low enough that just get...
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RE: Missing flow temperature in Heat Geek proposal
I suspect 4 yrs ago, their approach had not got to this...
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RE: battery storage without solar
Also don't forget that in you may not be able to use th...
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RE: Tesla Powerwall (2) Calibration Cycles
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