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Last seen: Jul 22, 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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@editor Thanks for your response and recommendations. ...
By DavidB , 5 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 18 hours ago
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RE: Who's your electricity provider and what's your tariff?
@papahuhu Of course, in the way of such things, there a...
By Toodles , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 3 days ago
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RE: Flushing system, cleaning and inhibitor
Yes, my 50L volumiser uses the two lower ports, so ther...
By Old_Scientist , 3 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 4 days ago
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 4 days ago
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s Look forward to making contact soon! Regards, To...
By Toodles , 4 days ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 5 days ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 5 days ago
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago
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I meant to say I cannot register my kit at Energyplus… ...
By Batpred , 6 days ago



