
Last seen: Sep 12, 2025
I'm horrible with cars, and even worse with EVs. Does Tesla have its own proprietary charging standard and is their tech bidirectional?
@saz, as batalto has asked, are you at the point where you feel the issue is down to settings and controls? Am I correct in assuming that the heating ...
@saz, in addition to all the previous advice, you need to check which consumer code your installer is a member of (HIES or RECC) then make contact to ...
@derek-m, you always give me some very useful homework to do 😀. I have no idea whether they were calibrated and I don't think I have any certificates ...
@derek-m, good points. Because we have a bivalent system, we've had to install two separate metres that are exclusively connected to our heat pump so ...
@saz, so just to be clear, Vaillant have "fixed" the circulation pump (by getting rid of the sealant) and cleared your system out to nullify any block...
I think that's @witchcraft.
@witchcraft, thanks for the update and I'm very interested to see how this all plays out.
I ran an experiment this week to see what our COP and electricity consumption would be like by varying flow rates (45C and 40C):/p> As the winter co...
@saz, who was the original installer? Are you at liberty to reveal who it was?
I’ve just reread the thread and you have had a Vaillant engineer come out. This engineer that just visited, were they from a completely new company?
I can definitely empathise @saz - it’s very, very frustrating, even more so when things aren’t working and costing a lot of money to run. Have you ask...
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
I have been working on network resilience for a while. ...
By Scalextrix , 7 minutes ago
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RE: Is a Valliant Inline 6kW heater a BUS buster?
Incidentally this is the sort of thig you can do if you...
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RE: Humming sound on new install.
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RE: Midea ASHP – how to set weather compensation
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Funny story Graham, when I started looking to ...
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RE: Buffers, hot water and cooling
@dgclimatecontrol thanks, that's helpful.
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RE: Failing heat pump system - seeking thoughts on a rebuild
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RE: Replacing Worcester oil boiler with an ASHP
@toodles thanks. I was told by the engineer that this h...
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Yes Octopus only have the £9 a month service plan for t...
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RE: Who’s Caved and Switched the Heating On Already?
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RE: What crazy nonsense are inverter limits and why are they imposed?
A week later, I'm finally picking up this comment... ...
By Transparent , 21 hours ago
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RE: COP is not the only measure of efficiency
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By Old_Scientist , 1 day ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
I am pleased to say at 4pm today we have added another ...
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RE: Renewables & Heat Pumps in the News
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RE: Vaillant aroTherm Plus 10kW thoughts?
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RE: Mitsubishi Ecodan 11kw Defrosting Issue.
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RE: Anyone still weathering it out with Agile?
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RE: 300 Liter Tank - Do I have to heat it all?
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RE: Heat Pump SCOPs – The Truth Might Not Be What You Think
@scalextrix Name plate capacity
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