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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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Whats more relevant is that a badly installed air/air s...
By EtchedPixels , 36 seconds ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 2 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 2 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 2 hours ago
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My first question is why bother with the auto balancin...
By JamesPa , 3 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 3 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 3 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 4 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 7 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 18 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 20 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago
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