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Last seen: Feb 16, 2022
We have a Grant Aerona 13kW and are very happy with it. We are in Warwickshire. It is very quiet. We have it attached to the end wall of our extension...
@kev-m I obviously have no idea what I am talking about and my assumption that the flow temperature was 52 was based on something the installer said a...
@dawnrg We have a Grant Aerona 13kw and our hot water is set to 45 degrees which is plenty hot enough. We had ours serviced recently and the flow temp...
@lizzylou I would be worried about putting the heat pump on a flat roof. Ours is attached to the back wall of our playroom in extension and we can h...
@keithh Have you tried Bright Green Renewable from Daventry? They have done a lot of work in our village (Barby) Air Source/Ground Source Heat Pum...
@kev-m Thanks I think you are right that the Grant only uses the outside temperature (the manual only refers to the outside temperature) and the radia...
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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 , 1 hour 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 , 5 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 , 10 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



