Last seen: Sep 8, 2025
Takeaways? Can I suggest: 1. The big players are best suited to off the peg installs into unchallenging settings. This relies on the big players bei...
@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...
Latest Posts
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
Is that heat loss, or maximum output of the ASHP? Unde...
By Scalextrix , 9 hours ago
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
@morgan Fully agree with you. It shouldn't be the homeo...
By HCas , 11 hours ago
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RE: Solar Thermal DHW and ASHP
@judith That makes sense to me! If I was in @alex_n '...
By HCas , 11 hours ago
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RE: Vaillant aroTherm Plus 10kW thoughts?
Good unit. And the 10 kW is the same as the 12 kW I ...
By HCas , 12 hours ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
@judith thanks for your suggestions. Starting from col...
By GrahamF , 14 hours ago
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RE: Inventor (Midea) Heat Pump short cycling advice
I switched to "fan coil mode" to be able to set water t...
By immunity , 16 hours ago
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RE: DESNZ doing a survey which asks the right questions!
Without a survey their only source of data is probably ...
By JamesPa , 21 hours ago
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RE: Can you help with our research: solar panels, EV chargers, home batteries, heat pumps?
Just done your survey!
By Judith , 1 day ago
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RE: Failing heat pump system - seeking thoughts on a rebuild
@cleardene-ashp just thinking about your issues here. Y...
By Judith , 1 day ago
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RE: Midea ASHP – how to set weather compensation
@cathoderay OK let's wait and see, it sounds an interes...
By Tasos , 1 day ago
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RE: What is the Heat Geek Guarantee?
@judith, I’m with you on Heat Geek, but there really do...
By Mars , 2 days ago
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RE: Electricity price predictions
Community energy installations are a great idea, but th...
By Scalextrix , 2 days ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Ooh, heat pumps in neon blue wrap 🤣 🤣 &...
By Old_Scientist , 3 days ago
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@profzarkov Good to know in case it ever happens to me...
By bontwoody , 4 days ago
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RE: Are Octopuses Slowing Consumer Adoption of Heat Pumps?
I mean, is this surprising? The local installers in my ...
By Alex , 4 days ago
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@old_scientist sorry, I should have made it clear that ...
By GrahamF , 4 days ago
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RE: Boiling Mad: Exposing Radiatorgate
Hi @Rob, I’d be more than happy to contribute. I have ...
By DREI , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@andris a great year - very happy with our system
By Profzarkov , 4 days ago
