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Last seen: Sep 4, 2026
@batpred Which is what I did and I am very happy with the quality of the work that has been done. I have happily recommended my installer to others. ...
@jamespa ‘The Industry Leading Heat Geek Performance Guarantee assures your installation (incl. heating and hot water!) will meet the efficiency st...
How can they stop anybody from signing up to a heat pump tariff. Powerwall owners also have AI-optimised solar and battery import and export. For al...
I have looked through the documentation again and the only reference to heating temperature that I can find is the flow temperature at which the syste...
I was told that installer doesn’t get to see the system design temperature until commissioning is complete. I can live with that given the minimum gua...
Update. My SolarEdge inverter was replaced yesterday with a 10kW model (limited to 5kW). The replacement is a much bigger unit with cooling vanes at t...
Resurrecting an old thread. I got a call from MCS this morning asking me to agree to a visit/audit. As I have had to call my installer back to resol...
With the Powerwall 2 or 3 with a Gateway, grid voltage and frequency monitoring, and Grid disconnection is outwith the end user’s control. The same ...
If there ever is an under-voltage situation, the PW3 plus Gateway 2 will take my home off the grid. As far as doing anything else is concerned, the fo...
My high voltage ‘fault’ had nothing whatsoever to do with my solar inverter or Powerwall 3. My Powerwall 3 took the Grid offline at night with a volta...
Installed inside a garage. Installation date September 2020.
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 2 minutes ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 3 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 9 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 24 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 24 hours ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago



