Last seen: Feb 19, 2026
We have just had permission to fit an 8kW Sunsynk hybrid inverter from UKPN. We have a single phase supply, 100A fuse, existing 4kWp PV with existin...
Thereβs usually a survey, to check if the boiler/heating works, but itβs written as βcanβt checkβ unless itβs actually running when thereβs a flying v...
iBoost (and other diverters) are tricky to make work well with home batteries. If you have a home battery, you are likely to use a smart tariff - ...
@iancalderbank The code is entirely running in a loop; it measures flow rates, temperatures, then electicity meter pulses, then does it again. The...
@squeakysim The monitoring is all my own π Two off +/-0.1C temperature sensors, each in copper "pockets", and a flow meter, and a little embedded...
I agree that it's unlikely that with the present electricity/gas cost ratio that heatpumps are "financial rational", which is the premise of the link....
Mixergy tanks I believe work by forcing statification - hot water is pushed into the top of the tank, and there is a clear hot / cold divide line. In...
The temperatures that you mention are all quite low, which is great for efficiency (but not for a warm house when it's cold out). What really matters...
Our smart meter install with OVO went fine. It's a lot bigger than the old meter we had before, but there was space. I find it more awkward to read ...
Hi Pat! We have a tiny 2.5kW(thermal, 660W elec) gshp, 4kWp solar, MVHR, 150mm EWI, 30kWh V2G car, 200l DHW tank, 4 bed highly insulated retrofit ho...
I think that did use to be a thing, but it is fraught with difficulty. Mice getting in, mould, stagnent water pools. All of these can be tackled - g...
I think you can make a pretty good guess that any floors installed prior to 1991 will have no insulation. A bit of googling gave U values over time (...
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RE: What determines the SOC of a battery?
@batpred I didn't write the Seplos BMS software, I a...
By Bash , 26 minutes ago
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RE: Electricity price predictions
Sorry to derail this thread βslightly?β but back to the...
By Toodles , 35 minutes ago
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RE: Humidity, or lack thereof... is my heat pump making rooms drier?
Without knowing it, @andrewj, you've laid down the gaun...
By Majordennisbloodnok , 54 minutes ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos and @cathoderay thanks. I have some history grap...
By benson , 58 minutes ago
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I am having my existing heat pump changed to a Vaillant...
By trebor12345 , 2 hours ago
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Our Experience installing a heat pump into a Grade 2 Listed stone house
First want to thank everybody who has contributed to th...
By Travellingwave , 2 hours ago
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RE: Setback savings - fact or fiction?
@cathoderay The input power is largely determined by...
By RobS , 3 hours ago
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RE: Solis inverters S6-EH1P: pros and cons and battery options
Just to wrap this up here for future readers: The S...
By Batpred , 5 hours ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Welcome to the forums.I assume that you're getting the ...
By Sheriff Fatman , 5 hours ago
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RE: Say hello and introduce yourself
@editor @kev1964-irl This discussion might be best had ...
By GC61 , 6 hours ago
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@painter26 β as @jamespa says, it's for filling and re-...
By cathodeRay , 10 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 , 21 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 , 23 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 , 1 day 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 , 1 day 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 , 1 day 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 , 1 day ago
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RE: Plug and play solar. Thoughts?
Essentially, this just needed legislation. In Germany t...
By Batpred , 1 day 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


