
Last seen: Sep 26, 2025
For reference, I've just upgraded my chart which shows the electricity standing charge rises since spring 2019. This uses data extracted from the la...
If you're going to be storing the energy in batteries for your own use, then it makes financial sense to max-out the roof with panels which will last ...
The answer to that question can be seen here in the topic about adding more solar panels 😎
Over here in a topic about solar thermal panels(!), this question was asked: I'm unclear whether you are considering fitting fewer than the 10 po...
Then you don't require consent from your DNO. 😀 G98 is the certification required for a device to be connected to the grid for export purpo...
I agree.A second black downpipe next to the one around the corner would've looked less conspicuous.The flow, return and electrical supply could all be...
Here's a top-level system diagram @judith Most of the 'mains' 240v stuff is running from the batteries.There's a separate consumer unit for t...
It depends which side of the fence you're on. The MCS regulations do little to protect customers,but they're of great value to the accredited instal...
Yes, @judith is correct. You must be given site-specific information about your installation, not just generic documents from manufacturers of applian...
Very true. The best way to train engineers is to breed them. But even that's thwarted by regulations.I can get safety-glasses and hard hats for a ...
With a technical CV like that @jancold you'll soon find yourself answering questions from others here! True. I started with an off-grid arrangeme...
I don't think there's a clear answer to that.It depends... And that's one of the problems with the PAS63100.It's trying to stipulate how an installa...
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RE: Help me keep the faith with my air source heat pump installation
@jamespa Here’s a pic of part of the pipes. They hav...
By AdamK , 5 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Manufacturer: Vaillant Model: Arotherm Plus 7kW Typ...
By MatWin , 6 hours ago
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RE: Say hello and introduce yourself
Sounds interesting. According to the website the cap...
By JamesPa , 6 hours ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
We have a lot of work ahead to get this done properly. ...
By Mars , 7 hours ago
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RE: Do I just go with the lowest quote for my heat pump?
You are right It will depend on how its b...
By JamesPa , 8 hours ago
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RE: Which thermostat should I get (or do I need one?)
You need a plan first I think, it's really about wiring...
By JamesPa , 9 hours ago
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Samsung Gen 6 - Schedules not working
I think I may have done something silly, but havent bee...
By bontwoody , 11 hours ago
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RE: DNO export limit problems.
Ask DNO if its a load balancing on your phase of the su...
By AgentGeorge , 11 hours ago
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@papahuhu Sounds as though you need to speak to your in...
By Toodles , 13 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Signed.
By Morgan , 14 hours ago
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I ‘did the math’ for Nov. to the end of April to be on ...
By Toodles , 14 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos automations on Home Assistant so if there is a p...
By benson , 16 hours ago
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RE: Sizing - Save me from my headache
Mitsi 8kW has a 6kW variable and 2kW fixed compressor s...
By JamesPa , 1 day ago
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@drei your proposed radiator design looks inadequate to...
By GrahamF , 1 day ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?
Actually, I think the issue is the different rate of he...
By AndrewJ , 2 days ago
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RE: 5 Star Service from Havenwise
That's why homes are spread across the three phases. ...
By Dan_Grey , 2 days ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
@editor like @jamespa, I had a list of test questions: ...
By GrahamF , 2 days ago
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RE: Do primaries need anti vibration clips?
@adamk @ashp-bobba The vast majority of the time my 7...
By JamesPa , 2 days ago
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RE: Which temperature sensor for a Steibel buffer and Ecodan?
@davidalgarve As advised above, its worth speaking to M...
By ASHP-BOBBA , 2 days ago