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Last seen: Mar 3, 2026
Has anyone been able to find meaningful information about the TriVal option on Vaillant SensoComfort / AroTherm Plus systems? It sounds like it ought ...
@papahuhu Thanks for that .. OvO was offering 15p/unit 24x7 with a cap at 6000 kWh as I recall. I'd love to be able to use solar but a maritime climat...
@toodles I'm running at 4.5 kW just now. Assume two parallel 13.5 kWh Powerwalls, they would charge in 2.7 hrs @ 5 kW each and the heat pump would nee...
@papahuhu With OvO withdrawing their Heat Pump Plus tariff I'm suddenly interested in alternatives but I had rather assumed that a time of use tariff ...
@transparent D'Oh - I did look before I posted but I missed that one ...
@editor Mars, Much kudos to you for all your enthusiasm and hard work here! It seems we start 2026 with the rug being removed from under us as discou...
@derek-m .. Of course though *you* may forward plan it doesn't follow that the next person does and the utility companies have to add a safety margin....
@johnmo An AroTHERM 12-14 kW ASHP can draw 23.3 amps so let's say your big old stone manse with its outbuildings needs two of those and you have an EV...
@editor Hi - An update to my earlier introductionOur hybrid ASHP / Oil boiler system went in in April and has been doing its thing without major issue...
I can report one tangible result of putting in a heat pump (ASHP) - I had to provide an up-to-date EPC as part of the grant conditions and my house we...
@toodles Sounds like you're sorted - these things niggle though once you spot them. I totted up the bare metal on the flow side of my system and I ca...
@toodles undesirable but insignificant sums it up pretty well though the cumulative effect may be another matter. I have a retro-fitted hybrid system...
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Degrees of Separation
Latest Posts
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If you freeze water it expands. That's been a big probl...
By EtchedPixels , 23 minutes ago
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RE: Heat pump branding. Clever, contemporary… or a bit too much?
Ultimately they are trying to make it possible for low ...
By EtchedPixels , 26 minutes ago
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This post is about how I successfully configured a buff...
By Tony.Stolz , 47 minutes ago
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The installer visited yesterday and suggested the noise...
By JamesChatz , 2 hours ago
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RE: Heat Geek installations: share your experiences
I struggled with this problem as well. An independent t...
By L8Again , 3 hours 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 hours 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 , 5 hours ago
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RE: How should the Boiler Upgrade Scheme be reformed?
@temperature_gradient Isn't that just describing a regu...
By Prunus , 6 hours ago
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RE: battery storage without solar
As of October 1st they need specific qualifications to ...
By EtchedPixels , 18 hours ago
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RE: Renewables & Heat Pumps in the News
With regards to the BUS grant raid, I gave it more thou...
By ASHP-BOBBA , 19 hours ago
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RE: Why are ASHP installs so expensive?
The whole system seems to work on the basis of...
By ian33a , 19 hours ago
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RE: Missing flow temperature in Heat Geek proposal
Good plan. If you can get half hourly meter readings a...
By JamesPa , 1 day ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
@editor Most certainly. The heat pump was an ideal s...
By Abernyte , 1 day ago
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RE: Does anyone have experience of a smart water meter?
Yep I caught our slow leak from a £100 bill rise 8)
By EtchedPixels , 1 day ago
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