
Last seen: Sep 9, 2025
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...
Yes. Not only is PAS63100 not mandatory at this stage, but existing installations are exempt. Even so, the Standard has been a year in development b...
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@damonc If the heat pump controller is in a suitable ar...
By HCas , 9 minutes ago
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RE: Who’s Caved and Switched the Heating On Already?
Yes, there is definitely scope for heat pump c...
By jamespetts , 25 minutes ago
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RE: Midea ASHP – how to set weather compensation
The midea has a number of pre programmed WC curves (wit...
By benson , 1 hour ago
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RE: COP is not the only measure of efficiency
If that's the case then you are right to be sceptical, ...
By JamesPa , 3 hours ago
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RE: Renewables & Heat Pumps in the News
To unpack this a little.... 1) how many of us in this...
By Lucia , 5 hours ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@ashp-bobba Well done for stepping in where most would ...
By JamesPa , 7 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
@realevil the fans and fan speed / coil size (height, w...
By ASHP-BOBBA , 17 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan this can just be done by your sepecilist when t...
By ASHP-BOBBA , 17 hours ago
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RE: Buffers, hot water and cooling
I agree it seems like a lot of work particularly as its...
By JamesPa , 18 hours ago
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RE: Anyone still weathering it out with Agile?
@toodles I guess it all comes down to import averages. ...
By Tim441 , 21 hours ago
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RE: 300 Liter Tank - Do I have to heat it all?
The size of DHW tank affects the anti-legionella cycle....
By Transparent , 22 hours ago
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
By HCas , 1 day ago
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RE: Solar Thermal DHW and ASHP
I was originally contemplating a solar thermal installa...
By jamespetts , 1 day ago
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RE: Solar Power Output – Let’s Compare Generation Figures
My system installed in July 2024 has produced 6.4mWh in...
By jamespetts , 1 day ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 2 days ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 2 days ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 2 days ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 3 days ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 3 days ago