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Last seen: Nov 3, 2025
@boblochinver you need three things. An inverter which can charge (I believe you have this) A battery management system (BMS) for the batteries. ...
@mike-patrick I think your usage will be nearer 5,000kw over the course of the year. If you are using 15kw in the summer, you will 100% be using more ...
@boblochinver given you've already got the inverter, couldn't you just replace the batteries? is you inverter programmable to other battery outputs? I...
@boblochinver honestly I reckon I could make a system very cheaply these days. Get the panels of gumtree, pick up a used hybrid inverter and the batte...
@boblochinver personally I decided on string rather than micro inverters on my panels. The main reason was efficiency and cost. You get maybe 1 or 2% ...
@mike-patrick I'd suggest you just use this website, it can calculate your generation.
@editor has your heating been on?
@kev-m just the flow temperatures. I lowered the temperature at higher ambient to 25° when it's above 15° outside and then it increases down to 55 at ...
@boblochinver I think you agree talking about peak power output and depth of discharge. Peak power output is what it says on the tin. Depth of dischar...
@boblochinver just looked up your battery and it looks like a rebrand of the Pylontech batteries. I'd have a look and compare but they look identical ...
@mike-patrick batteries are fairly useful in taking off the hard edges, even on a gloomy day like today my battery is currently at 73% charged
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Latest Posts
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Not a problem; that’s why I left it as it was. The pers...
By Majordennisbloodnok , 9 hours ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 18 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 2 days ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
D'oh - of course. I shouldn't post before my brain is f...
By Old_Scientist , 2 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 2 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 2 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 2 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 3 days ago
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@Mars Good questions! The downstairs unit did the maj...
By Rob of York , 3 days ago
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RE: Volumisers in Heat Pump Systems: Does Placement Matter?
@dave, I think @jamespa has probably identified the mos...
By Mars , 3 days ago
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RE: Plug and play solar. Thoughts?
My thought is simple. Bring it on and bring on plug in...
By JamesPa , 4 days ago
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RE: Heat Geek mini store vs pump size
Yes I agree, that’s why Heat Geek have most likely sele...
By Tomtheheatingengineer , 5 days ago
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@tomtheheatingengineer, thank you, and welcome to the f...
By Mars , 5 days ago
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RE: Is the "divide by 2900" rule still valid?
Really flow rate is a pipework limitation not a water p...
By JamesPa , 6 days ago



