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Last seen: Oct 19, 2026
So I have been thinking about this and trying to rationalise it with three other things namely (a) the Carnot equation which means that COP reduces ...
This sounds like a problem that might be fixed, or certainly improved, with a bit of optimisation of the set up if you are prepared to provide some mo...
Yes it is. Steel narrowboats have zinc anodes for the same reason, but the steel still rusts, just less slowly. I have not personally heard of...
He may well be right. I have 9 bar which, on one occasion, burst open a steel radiator (with a bit of help from my stupidity).
Except that water is a conductor. Galvanic corrosion is a well known process problem with steel narrowboats, with the conductor being the water, s...
Yes it can be a problem. When we put our solar panels on a flat roof one very serious consideration was access to clean the windows! The window cle...
@stevehsp Can I suggest you read the introduction to ASHPs here as it will help understand the technology. In terms of quote time choices don...
Possibly you could have movable barriers available. The principal risk I think is forgetting you are on a flat roof, stepping back and... barriers p...
I think you may be considering only one half of the equation here, and the question is how they balance (I dont know) High DT may mean higher COP at...
The new installation will come with a pressure limiter which will limit the water pressure on all hot outlets and any cold outlets which were previous...
Im sorry to hear about the problems but its good that you have insulated flexible pipework, albeit only after a rework (which is itself suspicious). ...
All I was saying is that my gas boiler was louder than my ASHP (the latter is 30cm from a window to the room in which we spend most time) and no less ...
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Degrees of Separation
Latest Posts
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First you need to know how much thermal energy you'll n...
By bobflux , 3 hours ago
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RE: How quickly would you want/expect heat recovery to take from setback?
@toodles Ah, that makes sense. Your using the TRV bo...
By Singlespeed , 3 hours ago
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RE: Renewables & Heat Pumps in the News
Yes, energy seems less of a priority, even if the cost ...
By Batpred , 4 hours ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
Come for the low-carbon homes. Stay for George Clarke’s...
By Mars , 1 day ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
@razz, as we head into the heating season, I just wante...
By Mars , 1 day ago
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RE: How should the Boiler Upgrade Scheme be reformed?
Not quite, regular A2W heat-pumps need a load of extra ...
By Temperature_Gradient , 3 days ago
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RE: Heat Geek installations: share your experiences
one thing i learnt from reading people’s comments and e...
By Batpred , 3 days ago
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RE: Cooling/heating with one unit
"The way we use A2A on a cheap overnight EV tariff is t...
By mrkfm , 3 days ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
We have ‘signed on the dotted line’ today for a Panason...
By Toodles , 3 days ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
...or it was there and was lost thanks to laziness and ...
By Majordennisbloodnok , 3 days ago
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Bufferless design & control of Chinese air to water monoblock hybrid heat pump in Alberta, Canada
This post is about how I successfully configured a buff...
By Tony.Stolz , 3 days ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 4 days ago
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RE: HeatGeek vs Octopus surveys: puzzling disparity - any ideas why?
Your house sounds a lot like mine. 2 surveyors each sp...
By JamesPa , 4 days ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
Thats true only if you do the wrong experiment. Done c...
By JamesPa , 4 days ago
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