Last seen: Oct 30, 2025
Erm... I carefully chose the adjective many when referring to installers.I deliberately didn't write 'major' or 'the majority of' installers. And wh...
@ellyse In 2021 OVO was one of three Energy Suppliers selected to administer the installation of heat pumps in 750 homes. OVO was assigned the SE Engl...
The quality of the installation is extremely important @ellyse A heat pump doesn't work like a gas boiler.It stays operating all the time, adjustin...
Three-phase Distribution Boards / Consumer Units I've started looking to see if there are 3-phase DBs which are more suited to the domestic market.T...
Only two sizes of PV panel cable are widely available: 4mm² and 6mm² I have never yet met an installation which requires the larger 6mm² option! Y...
Hi @ellyse and welcome. Your question is going to need responses from a number of us.I'm from a technical background, so I'll stick to those aspects...
Smart Meters is one of my pet subjects, so I'd really like to give a good response to these points. In my area the DNO is NGED. It has been their co...
Yes. Your inverter has two independent PV inputs.Each one is rated at 550v 13.3A maximum whilst operating in MPPT mode.So, for example, you could have...
I'm struggling to follow that.I need units 😉 So you have 6 Canadian Solar panels, each rated at 425w and connected in SERIES to one of the ...
The problem with the maths is that you're starting with two different types of panel. I proposed (purely as an example) 425w panels manufactured by ...
@david999 we did the calculations for the number of panels you could connect earlier in this topic here. It depends on the rating of the panels, so ...
In conversations with engineers in the UK electricity supply network, they use the term 'off-grid' when the 240v AC is not synchronised to the 50Hz of...
Latest Posts
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RE: Daikin Altherma 3 / HomeAssistant
I don’t have a Shelly EM on my heatpump, so only see th...
By DCSH , 3 hours ago
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RE: Help me keep the faith with my air source heat pump installation
have you got an ebus adapter on yours?
By AdamK , 3 hours ago
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RE: When will fusion be producing energy?
From the time I was a physics undergraduate it’s been 2...
By Judith , 4 hours ago
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RE: Is it mad to think there should be a minimum SCOP for UK heat pump installs?
Sadly I think it is mad. If the BUS is not granted for ...
By Judith , 4 hours ago
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RE: Who has a V2G EV installation
Perfect, @agentgeorge. I’m always up for some edificati...
By Majordennisbloodnok , 4 hours ago
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RE: My experience with 3 heat pump surveys: Heat Geek, British Gas & Octopus
Yes but... The evidence is that many heat loss survey...
By JamesPa , 5 hours ago
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What Adam Chapman gets up to in his Spare Time.
Ok, so this just appeared on YouTube (don’t blame me th...
By Toodles , 5 hours ago
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RE: Radiator Sizing Dilemma: Vertical vs Type 33 for Low-Temperature Heat Pump Systems
That's my main concern too. On top of that, I ...
By DREI , 7 hours ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
Also it embeds a complex system, almost taking the home...
By JamesPa , 7 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Thanks, patience is something I’m trying to ma...
By Crimson , 9 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
2025 - now a record year of Solar PV Generation. Octobe...
By AllyFish , 12 hours ago
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RE: Midea ASHP – how to set weather compensation
@pash44pump - AI may have its uses (and I sort of allow...
By cathodeRay , 14 hours ago
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RE: Mitsubishi Ecodan R290 10kW performance
Totally agree that any system is reliant on the ability...
By Sheriff Fatman , 14 hours ago
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British Gas Heat Pump Installation Complaint
In 2024, my wife and I thought that we would try to do ...
By BGNO , 15 hours ago
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Erm... no we can't! The issue first raised by the OP ...
By Transparent , 16 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thx, but Sven did the hardware development. My role (as...
By Mosibi , 1 day ago
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RE: PV Panels on roof in Conservation Area
@majordennisbloodnok Fnaargh, I was thinking about try...
By colinc , 1 day ago
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RE: Electricity price predictions
@jamespa Ah, you mean MPs that have not pro...
By Batpred , 1 day ago
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RE: Buying large amp bidirectional RCD and RCBO
Exactly @transparent , this type of RCBOs are not easil...
By Batpred , 1 day ago
