Last seen: Feb 18, 2026
@jamespa The mechanical engineer in me wants to attempt to answer. But after decades in finance and management consulting, unfortunately I am incapabl...
@jamespa This is a 4 port buffer tank.
When I asked during the design phase, I was told this is to do with defrost cycles. We have achieved a good SCOP so far and are very happy with the pe...
@bontwoody Maybe one for @editor to consider whether a second hand battery shop on the forum might be worth it! Jokes apart, totally with you on the...
@bontwoody Totally agree. Even without a heat pump, if a 5 kWh battery helps storing the PV power generated during the daytime in spring, summer and a...
For our set-up, Octopus GO has been the best option from March to October. But, from November to February, Cosy is likely to be the better option, as ...
@old_scientist Cosy is a really good tariff for heat pump owners. The ability to run hot water during the 1 pm.to 4 pm period when the outdoor tempera...
@old_scientist With a 7.2 kWp south facing array, you should be generating enough during winter months as well. I am definitely jealous as our winter ...
Watching Gary Does Solarβs latest YouTube video on the future of export tariffs got me thinking about how I would adapt if Octopus were to drop the ex...
@toodles Few days in the year when I wish we had gone for an A2A heat pump than the current A2W system!
@toodles I have noticed that on some.days it takes a while to update the costs on the Octopus energy usage page or in the app. If not, I would be keen...
Thanks @mikeh. Then I will also go back to non smart tariff control. I just wanted to try this out before the heating season starts, so would have to ...
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Latest Posts
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RE: Say hello and introduce yourself
@editor @kev1964-irl This discussion might be best had ...
By GC61 , 51 minutes ago
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RE: What determines the SOC of a battery?
Thanks. It is not clear how @bash concluded the chargin...
By Batpred , 60 minutes ago
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Struggling to get CoP above 3 with 6 kw Ecodan ASHP
I've been using this heatpump for two winters now and a...
By GoodbyeGas , 2 hours ago
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RE: Humidity, or lack thereof... is my heat pump making rooms drier?
That would make sense. I've found the effects are prett...
By Majordennisbloodnok , 2 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@benson β as @tasos suggests, plotting multiple variabl...
By cathodeRay , 3 hours ago
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@painter26 β as @jamespa says, it's for filling and re-...
By cathodeRay , 5 hours ago
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RE: Oversized 10.5kW Grant Aerona Heat Pump on Microbore Pipes and Undersized Rads
@uknick TBH if I were taking the floor up ...
By JamesPa , 15 hours ago
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RE: Getting ready for export with a BESS
I would have not got it if it was that tight
By Batpred , 17 hours ago
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RE: Setback savings - fact or fiction?
I also need to correct something I said by mistake earl...
By cathodeRay , 17 hours ago
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RE: Electricity price predictions
@judith Thanks for sharing, and nice to see how the ...
By Batpred , 18 hours ago
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
@judith thanks Judith. Confirmation appreciated. The ...
By DavidB , 20 hours ago
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RE: Recommended home battery inverters + regulatory matters - help requested
That makes sense. I thought better to comment in this t...
By Batpred , 21 hours ago
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Bosch CS5800i 7kW replacing Greenstar Junior 28i
My heat pump journey began a couple of years ago when I...
By Slartibartfast , 21 hours ago
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RE: How to control DHW with Honeywell EvoHome on Trianco ActiveAir 5 kW ASHP
The last photo is defrost for sure (or cooling, but pre...
By JamesPa , 22 hours ago
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RE: Plug and play solar. Thoughts?
Essentially, this just needed legislation. In Germany t...
By Batpred , 23 hours ago
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RE: A Smarter Smart Controller from Homely?
@toodles Intentional opening of any warranty βcan of wo...
By Papahuhu , 1 day ago
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RE: Safety update; RCBOs supplying inverters or storage batteries
Thanks @transparent Thankyou for your advic...
By Bash , 1 day ago
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RE: Air source heat pump roll call β what heat pump brand and model do you have?
Forum Handle: Odd_LionManufacturer: SamsungModel: Samsu...
By Odd_Lion , 1 day ago
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RE: Configuring third party dongle for Ecodan local control
Well, it was mentioned before in the early pos...
By F1p , 2 days ago
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RE: DIY solar upgrade - Considering adding more panels
I know this is a bit old, but it made me wonder what co...
By Batpred , 2 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
@majordennisbloodnok Daikin, take note! (In fact, I hav...
By Toodles , 2 days ago
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RE: Midea ASHP β how to set weather compensation
@mk4 β good work! First, I agree, no evidence of cycl...
By cathodeRay , 2 days ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
I don't know about Solis inverters. It isn't a featur...
By Transparent , 2 days ago


