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Last seen: Jan 8, 2025
@majordennisbloodnok Exactly - You put this much better than I could. The question of trust is a good one - how does a customer know that a supplier...
I bought a more basic spec car model with 15in tyres rather than the next spec up with 16in tyres because the 15in tyres were almost half the price wh...
@editor Absolutely no way would I entertain something like that. I’d want a detailed breakdown of the proposed system, heat loss calcs and proposed ra...
@heacol Exactly! I did some outline heat loss calculations based on what I know of the property I am buying and over 40% of the heat loss is due to ve...
@heacol Very interesting. I could see that being extremely useful as full MVHR is just not practical without massive disruption.
@heacol Hi Brendan, are there any more flexible versions of those Blauberg extractors? The house I am buying has ceiling-mounted extractors in the bat...
I’m surprised that a 3degC-plus loss in a main heat exchanger is acceptable. It seems crazy to have that when there is so little spare capacity in mos...
@bridgetjohn Oh dear. I’m surprised that the installer didn’t convert to a 2-pipe system as a routine measure, the 1-pipe systems date back to the ear...
@bridgetjohn Do you mean single- pipe like the link:/p> Like that?
Sorry if it’s an obvious question, but how is the HP sensing the room temperature to compare against demand? Is there a Midea controller with temperat...
Should be an interesting journey. I sold my 1930s semi in Cambridge last summer to move to Norfolk. The main problem with the 1930s house was the so...
The interesting and puzzling thing from reading the thread is that the system can’t reach design temperature at 3degC ambient. Even if the 14kW unit i...
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
Good but - with your recirculating pump a high proporti...
By JamesPa , 1 hour ago
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RE: Missing flow temperature in Heat Geek proposal
I have just had a heat geek survey, with no radiator ch...
By David , 2 hours ago
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RE: Being screwed over by Volkswagen Audi Group
No worries, I can't really argue with your logic and I ...
By Old_Scientist , 4 hours ago
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RE: 7kW EV Charger Options Advice
Thank you Rusty, all of those subtleties were lost on m...
By Judith , 9 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
Flow rate is set by pressure created by the circulator ...
By bobflux , 1 day ago
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RE: Glass lined Cylinder for private water supply
I have one of those... a Thermal Store. In my case th...
By Transparent , 1 day 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 , 1 day 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 , 2 days 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 , 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 , 4 days 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 , 5 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 , 5 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 , 5 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 , 5 days ago



