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...
Latest Posts
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
@phoenix15 I'm no plumber so please don't take this as ...
By dnagre , 12 minutes ago
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RE: help sizing rads based on room by room heat loss
The output of a rad is proportional to DT to the power ...
By JamesPa , 1 hour ago
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RE: Agile: average import cost vs other tariffs?
@toodles Thank you for sharing that. I note you have a...
By Old_Scientist , 2 hours ago
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RE: Is this normal? Click of the DHW returning to space heating
@grantmethestrength Oh sorry to hear that, there should...
By ASHP-BOBBA , 4 hours ago
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@ashp-bobba TBH the ladies are rather disorganised, so ...
By Cathyem1 , 5 hours ago
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The Rise and Fall of Europe’s Most Generous Green Subsidy
This story came to my attention thanks to Graham Hendra...
By Mars , 5 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
And for those of us without an automatic irrigation sys...
By Majordennisbloodnok , 5 hours ago
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RE: Hitachi Yutaki SCombi Heat Pump - Thermal Off's
From the Full SAP Report: Space heating requirements:...
By trebor12345 , 5 hours ago
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Logically, the lower frequency = more gentle, yes, but ...
By SUNandAIR , 9 hours ago
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I'm just trying to imagine this construction approach @...
By Transparent , 11 hours ago
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RE: Ideal Logic ASHP - change from 55°C to 35°C Heating?
Good point. I’ll keep my eye on the manifold temperatur...
By Tomdad , 12 hours ago
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RE: How hard and expensive would it be to change panel and add battery?
@transparent It is a setting that Octopus make via the ...
By Toodles , 12 hours ago
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RE: Performance of Heat Pumps in Mild Weather
@heatgeek The flow rate isnt controlled by Mitsub...
By RobS , 15 hours ago
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RE: Say hello and introduce yourself
I might put a couple of speakers in the ceiling if fund...
By Fingers , 1 day ago
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RE: Bathroom Radiator replacement
@rob-nezard can you please offer your professional advi...
By Mars , 1 day ago
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RE: Questions on my Hitachi Yutaki SCombi Heat Pump
OK, thats good and low. With low flow temperatures lik...
By JamesPa , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa “They are all equal but, some are more equal t...
By Toodles , 2 days ago
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RE: Is it KISS or constant – weather compensation vs. set flow temperature?
@cliffhanger Mine has a 'space heating off' setting! O...
By JamesPa , 2 days ago
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RE: Replacing Worcester oil boiler with an ASHP
Is this something you are thinking of doing? Or has thi...
By Cliff-Arnold , 3 days ago
