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Last seen: Jul 30, 2026
Ah, yes. The 'problem' here is that home efficiency (EPC and SAP ratings) are determined by the Building Regulations. There have been (yet more) d...
For regulatory purposes in UK, batteries which connect to inverter(s) at 75v DC and below may be installed by anyone. Above 75v the installation req...
I think you need to add up the kW rating for each of these appliances (incl a switch-on surge if there is one).That total then translates into how man...
Not necessarily.You need to compare storage battery products based on cost per kWh of capacity. When I checked a dozen brands about 5 years ago, the...
The relevant statute is this: The 'Declared Voltage' in GB is 230v RMS. So the permissible range is 216.4v – 253v. Equipment/appliances certif...
As you can see from the timeline graph, when your Solis inverter takes electricity from the grid to recharge a battery, it lowers the voltage...... he...
Hah! I have monitors 'out on the grid' and you'd be surprised just how much variation there is between phases (voltage and current). It begs the q...
I agree with you. I have both in-screen UFH and pipework installed between joists of suspended floors. In my experience they behave differently, w...
Possibly 150mm spacing? Or else your 16mm pipes are overlapping! 🤗 I've just a quick look at the Wunda website. It looks prett...
Let's take a step back a moment and consider what Solis are saying. The component which would be expected to communicate with one of their inverters...
Before buying into anything in the (vast) range of Tuya-enabled products,just check what features would be compromised if the Tuya-owned servers were ...
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RE: Cleaning solar panels with a hosepipe
@jamespa, thanks for setting up this offshoot of a disc...
By Majordennisbloodnok , 12 minutes ago
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RE: Missing flow temperature in Heat Geek proposal
I have looked through the documentation again and the o...
By L8Again , 20 minutes ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
@baroquebank — I have now had a look at the side by sid...
By cathodeRay , 38 minutes ago
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Unless Midea have made modifications to their heat pump...
By Majordennisbloodnok , 51 minutes ago
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RE: Indevolt Batteries UK Support & Info Thread
@sonosppp Sorry i am not sure what you are trying to...
By JamesPa , 58 minutes ago
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RE: Microgeneration Certification Scheme (MCS)
I suspect this is why HG has massive ventilation losses...
By Batpred , 3 hours ago
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@trebor12345 If you select the Change Rate Plan button,...
By Toodles , 19 hours ago
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RE: Jokes and fun posts about heat pumps and renewables
@majordennisbloodnok Well, I can use such terms as HMRC...
By Toodles , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
I'd picked up that there was a leak coming from around ...
By Sheriff Fatman , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
Great info. Thank you. Regards Pete
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RE: Samsung heat pump - data cable issue
That's well done. Cable is the correct type (LIYCY = 2x...
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RE: Electricity price predictions
I agree, we will find out at the next budget whether th...
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The through wall two hole ones have their place (listed...
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