Last seen: Aug 6, 2025
@derek-m, you beat me to it - I had just written something very similar (but not the same, I separate all the design from the installation): Another...
@damon - as I said right at the start of my last post, "This is a difficult one, and I don't know the answer." But I think it is an important question...
This is a difficult one, and I don't know the answer. Some thoughts: Arguments for and against 'free' surveys: they allow a customer to get more quo...
Looks like it is currently £7.5K for an ASHP (but not as part of a hybrid system), see here. There will probably be other conditions that apply. Giv...
That might provide a way to move on. I doubt your installation will be an off the peg one, you will need an experienced installer (blame me for saying...
@showi - it looks like a fascinating building, but equally from what I can see in the photo it will be hard (but not impossible) to estimate heat loss...
I have some experience with Grade II listed buildings and heat pumps. Three general points: (1) ASHPs do work OK in listed buildings (buildings a...
OK, I got that wrong, but you do have a bias - towards All I am saying is that in a forum we are not writing balanced impartial reports, we are d...
And why not: this is a forum, and forums are places for debate, and debate means two or more parties putting their case on the table. I'm not trying t...
@majordennisbloodnok - I'm not in the business of telling anyone they must do something a particular way, but I am in the business of saying there are...
The ideal is to go for for something that just exceeds your heat loss at design temp (-2 or thereabouts depending on where you are) when running at th...
@editor - Mars, don't worry, I wasn't in any way put out, just wanted to plug some of the reasons why I think modbus has a lot to offer!
Latest Posts
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RE: Octopus Cosy & Octopus EV + bidirectional smart tariff, together. What, eh?
I've certainly seen that on their Ts & Cs page but ...
By Majordennisbloodnok , 1 hour ago
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RE: Planning Permission May 2025
Where does it state this please? Im genuinely interest...
By JamesPa , 4 hours ago
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RE: ASHP heat output monitoring
@carlo - not much better, is it. It looks more like a u...
By cathodeRay , 6 hours ago
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RE: Renewables & Heat Pumps in the News
this document extensively describes (in a non-blame, ne...
By Judith , 9 hours ago
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RE: Ecodan - Legionella Operation Time and Target Temperature
Once the white plastic cap is removed, my immersion loo...
By Old_Scientist , 1 day ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@dgclimatecontrol I don't know, but they were not happy...
By DavidAlgarve , 1 day ago
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RE: Why do we need pressurised systems?
A good question @toodles. My old open thermal store and...
By AllyFish , 1 day ago
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RE: 300 Liter Tank - Do I have to heat it all?
Cross references for @martingale Background discussi...
By Transparent , 2 days ago
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@ecobaker May I ask a question of you please. I too hav...
By Papahuhu , 2 days ago
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RE: Share Your Experiences with Heat Pump Manufacturer Support
@terry1812 Oh Good! Pleased to help if I can! Regards, ...
By Toodles , 2 days ago
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It's unclear to me how the Smart Control project work b...
By Transparent , 2 days ago
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RE: Have Consumers Been Lied to About the Efficiency of Heat Pumps Made in China?
@pavel, this isn't about discrediting Chinese products....
By Mars , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
We had an excellent four months (11/3 to 15/7) generati...
By JulianC , 5 days ago
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
By Judith , 5 days ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
All noted and accepted and as I say I am sorry that you...
By JamesPa , 5 days ago
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I think it is very much me that is sitting outside the ...
By Grantmethestrength , 5 days ago
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RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
By Transparent , 6 days ago
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RE: Help me keep the faith with my air source heat pump installation
Great news I edited my previous post (probably af...
By JamesPa , 6 days ago
