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Last seen: Apr 9, 2026
@dean-royston Yes, local control is absolutely possible either via the Android app that others have mentioned, or using GivTCP with Home Assistant. Th...
Unfortunately their demise is starting to look official: It remains to be seen what will happen - they have several different branches (i.e. as w...
@aventus-eco Thanks Sean, will drop you a line.
@toodles - yes, I'm sure the actual heat requirement will be far less. 100kW is the absolute upper bound, but I'm expecting something around half of ...
@toodles I'm tempted by Agile (recent and last year's costs looking pretty favourable vs Cosy), and then thinking of using a auto-scheduler for the ch...
@derek-m thanks - will include that in my next round of deliberations, certainly. Though in Northern Scotland it's a less attractive 18.8p/kWh today, ...
After many months of planning, sorting funding, disruption, and weather delays, as of yesterday we now have a SE-facing 6.64kWp PV array consisting of...
Quite a nice illustration of the effect of switching to Cosy - guess which day we started! On the data I've had so far (my smart meter's horribly ...
Usually closer to 300 at present, but we are gradually moving from the childhood to the shower-hogging teenager phase of life, so only anticipate it g...
@allyfish battery VAT: thanks for the reminder, however, ours will be part of a PV install, so I think there's no difference in our case. High DHW u...
Hmm, not sure about that - I think that would just shift the overall temperature up. The thing that triggers a reheat is dropping a certain amount rel...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
I am amazed that there is not something out there to me...
By JamesPa , 46 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 , 6 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 , 12 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 , 1 day 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 , 1 day 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



