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Last seen: Jan 8, 2025
Were the installers MCS-registered and did they provide a room-by-room analysis of heat requirement, radiator output at given flow temperature, overal...
@mjr Yes, I read something similar. Basically if you can find out what burner nozzle is fitted and what the pump pressure is set to and when the burne...
@derek-m I don’t really know at this point without doing some experiments. I mean to get myself some openenergymonitor gear, so I could just set the t...
One thought: I’ll be doing a bathroom refurb before I move in that involves moving a radiator, so the heating system will be completely drained down. ...
@derek-m The house I am buying has oil heating with a 20 year old non-condensing boiler, but I plan to do nothing to the system for 1 winter while I s...
@derek-m Just to save the energy needed to raise the HW temp to 60deg when 50deg is sufficient normally.
Hi @derek-m I wasn’t necessarily thinking about an ASHP system, or a situation with PV, just how a boiler-based heating system could be made more e...
This is the nearest cheap solution I've seen:although it uses the immersion heater to do the boost heat to 60deg. Just means the normal tank stat ca...
@derek-m Thanks, that was very much my plan - make the place as energy efficient as practical and then work out what heat input the house really needs...
This buffer tank question is an interesting one. I read an old paper on this subject (dated 2013 I think) that said that provided the circulating volu...
@editor Yes, the rads jump from 100mm thick to 160mm for a triple-panel, but that’s not that bad in the scheme of things. I can’t really do much unt...
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Degrees of Separation
Latest Posts
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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 , 2 hours 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 , 3 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 , 5 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 , 10 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...
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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 ...
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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...
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