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Last seen: May 7, 2026
@editor The firm that invented/developed the Immersun was a PV/solar thermal/renewable energy installation company based in a small town in norther...
We have a 5kw Aerotherm feeding an existing UFH manifold plus one radiator. Our flow rate is also 860 lph and the system is performing beautifully w...
@davidb Hi, if you haven’t already done so then have a look at the link below and in particular read the bits about active, inactive and e...
We are in an extremely well insulated (virtually passive) all electric house - we self built it in 2011. We have a full fat 3.68kw full-fat FiT pV s...
We self built in 2011. The ground and top floors are each around 100m2 The house is extremely well insulated with U values as follows, walls=0.15, r...
@ashrolls Air circulating in the system will confuse flow meters and create noise.
We have both. The advantage of A2A is a very rapid response and the ability to cool in the summer - our A2A is for the south facing rear of the hous...
Our BUS voucher was due to expire the working day prior to the installation date so our supplier cancelled the voucher and applied for a new ...
@jamespa our install was mid September 2025, we had the MCS questionnaire a few weeks later.
@editor I rather suspect that there will be several outcomes;- 1) Installation of ASHPs into the existing housing stock will radically slow down....
If you could get hold of a Stainless steel container of Vitrified High Level waste, then it has a heat output of around 2KW. There are difficulties ...
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Degrees of Separation
Latest Posts
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Is that correct? I was under the impression that some A...
By Majordennisbloodnok , 13 minutes 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 , 1 hour ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 1 hour 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 , 2 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 2 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 , 6 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 , 19 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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