Last seen: Oct 13, 2025
@johnmo It's a utility hallway - that photo was taken during the installation, pipework is now lagged, and I will be building a closet to house the ta...
@mike-h Yes, I was aware it's not ideal, as discussed in this article: The installers insist on a volumiser (a) to ensure the minimum volume is a...
Yes, it really is a volumiser (2 pipe tank), and it is located on the primary 28mm return to the ASHP as shown here: so is on the return for both ...
Agreed, even a 5kW battery would allow one to charge at 11p and avoid importing at 34p during the peak period, plus it gives added comfort and conveni...
I am so relieved to find this thread and discover that I am not the only person obsessed with this - Like Steve, I have no issue with looking at the d...
Yes, we have a 50L volumiser installed, and our radiators can emit the minimum heat output at flow temps of 33-34C, so this is as low as we can go.
Interesting @mike-h. When I first looked at Cosy, it didn't appeal and we went with Agile. I'm not sure if they have changed the time slots and the di...
@steve81uk We are all radiators, no UFH so do not benefit of the thermal mass associated with the latter. Further, our new internal wall insulation (I...
I have an oversized Samsung 12kW heat pump, 3.64kW solar, but no batteries, and this new Cosy tariff has caught my interest. For anyone with batteries...
@ecobaker absolutely correct - I'd only manually kick in the immersion when prices turn negative, so (a) I can store energy by heating DHW as high as ...
@ecobaker Thanks. Hopefully we may have some cheap pricing slots on Agile this weekend, so I will be able to have a play and observe how these setting...
@transparent thanks for the info and links - I will certainly have a read through. I am definitely not adverse to the idea of DIY battery storage. T...
Latest Posts
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RE: Are We Sleepwalking Into Another Race to the Bottom?
OK so if I read this correctly your main objection is m...
By JamesPa , 35 seconds ago
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RE: Heating Turned Off but Radiators Still Warm
@9jwr9 I didn't get an answer at the time and there has...
By Pipcart , 1 minute ago
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RE: Battery storage to run Heat Pump.
@majordennisbloodnok I’m not sure you will be able to r...
By Toodles , 7 minutes ago
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RE: Isolating the system for a planned power cut
@transparent None of this is commissioned at the mom...
By Batpred , 17 minutes ago
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RE: Renewables & Heat Pumps in the News
You've completely missed the point. Old, unpatched so...
By Majordennisbloodnok , 37 minutes ago
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RE: Ecodan Energy Monitoring Pack
@batpred that’s an idea yes. Will look into it
By Carpenterstation , 58 minutes ago
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RE: Say hello and introduce yourself
or you can add a circulator pump and PHE (instead o...
By JamesPa , 1 hour ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
Thank you. I'll wait for a reply to my e-mail for more ...
By plasfron , 1 hour ago
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PUHZ SW120Y & EHSC-VM2D - Buffer tank to Volumiser
Eventually I was able to find someone here in the Algar...
By DavidAlgarve , 1 hour ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing
@batpred There will be times when the 8 kW heat pump st...
By Toodles , 1 hour ago
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RE: Anyone still weathering it out with Agile?
We are still on agile and it works ok'ish to charge the...
By Batpred , 1 hour ago
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RE: Midea ASHP – how to set weather compensation
If I were in your shoes I would absolutely want to get ...
By JamesPa , 2 hours ago
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@papahuhu I did try Smart+ during the first 2 years but...
By Toodles , 2 hours ago
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RE: New Fogstar 15.5kWh upright solution
Ah... now I can see a photo,and that changes the advice...
By Transparent , 4 hours ago
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RE: Who has a V2G EV installation
I appreciate that it is very likely to cause confusion....
By Batpred , 4 hours ago
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RE: What’s the modern take on advised types of insulation?
I suppose Green indeed... 😁 And everybody has...
By Batpred , 5 hours ago
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RE: PV Panels on roof in Conservation Area
Thank you for your feedback, Morgan, and indeed council...
By colinc , 6 hours ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
I couldn't agree more. We stuck with one particular g...
By Majordennisbloodnok , 6 hours ago
