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Last seen: Apr 28, 2026
@jamespa Perfect thanks - because we're doing an extension and it isn't built yet there's a few won't look at it until all the building work is done. ...
@jamespa Thanks so much for the support so far. I've read the article you linked to, which was helpful - thanks. You'd said... "If, on tha...
@jamespa Thanks - I'm OK with having part of the house, not the whole house - I've def made my peace with that. In an outage, if we could keep the hea...
@jamespa OK - I'll need to digest that I think. I got a taste of how complicated inverters can get in 2025, and haven't quite recovered yet (!). I f...
AC coupled Pure Drive 10kW battery Solar PV Solis PV inverter Installed March/April 2023
@colinc I think if I had a clear way to achieve what we wanted, I might consider something like that... probably a bit after I've blown all my savings...
Thank you so much for that - the prospect of possible further thoughts is tantalising. I just re-read an email I got from Pure Drive in May 2025, and ...
@jamespa Great, thanks - I've had a quick look at the article and will have a proper look later this eve/tonight. I wonder if for me it's a case of on...
@colinc Much appreciated - thank you. Similarly... I asked the chap at Aira who ran through a remote quotation with us about the buffer tank, and he a...
Actually - sorry - I did also get this quote from Ovo: £6,363 with the £7,500 grant already removed (so about £13,863 in total). Vaillant aroT...
Just FYI in case anyone can help us as I would really appreciate some guidance - I'm weighing up replacing my old oil boiler (we're not on gas, the bo...
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Latest Posts
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RE: Adding additional Solar Panels to a DC coupled battery system
Let's deal with mounting systems first. You don't hav...
By Transparent , 3 hours ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@kilgorexv definitely a larger inverter will help and m...
By AndrewJ , 21 hours ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
The installation is almost done! I've written up two ...
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
This has turned into a fascinating little rabbit hole. ...
By Mars , 2 days ago
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RE: Switch suitable to change between two inverter CT's
Last winter my battery ,32KWh, could run the house com...
By Jancold , 2 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Agree with Major. And even if I was very happy with ...
By Batpred , 2 days ago
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RE: Is the "divide by 2900" rule still valid?
There is another estimator that you could use, a formul...
By Rob of York , 2 days ago
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RE: To re-pipe or not to re-pipe? Moving from oil boiler to air source heat pump.
@penval, really useful update. After all the discussion...
By Mars , 4 days ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu I prefer to look at it simplistically. We d...
By Old_Scientist , 5 days ago
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RE: Questions about A2A for heating as well as cooling
@rob-of-york I would concur with the underfloor insulat...
By Toodles , 5 days ago
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RE: New Vaillant Arotherm controls link to existing thermostats ; wired vs wireless
Nothing attached! I have rads but UFH makes the case ...
By JamesPa , 5 days ago
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RE: Cooling with air to water heat pumps
Passive cooling should always be the first call. Keep ...
By JamesPa , 5 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
@rob-of-york Thank you, I’m thinking along these same l...
By Toodles , 6 days ago
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