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Swedish retrofit product that guarantees heat pump SCOPs of 10!

 
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 6 years ago
Posts: 4919
Topic starter 01/04/2026 8:11 am   [#2919]

A new Swedish retrofit product has been announced guaranteeing a heat pump SCOP of 10 for just £199!

The system combines a heat-recovery TRV with an adaptive outdoor sensor using reverse weather compensation to dynamically reduce system demand and recycle internal heat gains.

Full breakdown here:


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Toodles
 Toodles
(@toodles)
Famed Member Contributor
Joined: 4 years ago
Posts: 3012
01/04/2026 10:17 am  

I looked at the publishing date before I watched the ‘presentation’😆 Thank you Mars - good on you! Toodles.


Toodles, heats his home with cold draughts and cooks food with magnets.


   
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JamesPa
 JamesPa
(@jamespa)
Illustrious Member Moderator
Joined: 4 years ago
Posts: 5548
01/04/2026 10:20 am  

I want one and plan to add it to my Christmas list, along with the repeal of the second law of thermodynamics.


4kW peak of solar PV since 2011; EV and a 1930s house which has been partially renovated to improve its efficiency. 7kW Vaillant heat pump.


   
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Toodles
 Toodles
(@toodles)
Famed Member Contributor
Joined: 4 years ago
Posts: 3012
01/04/2026 10:23 am  

@jamespa Why not two or more - double your COP to TWENTY!!!!!🤩 Toodles.


Toodles, heats his home with cold draughts and cooks food with magnets.


   
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MK4
 MK4
(@mk4)
Estimable Member Member
Joined: 9 months ago
Posts: 81
01/04/2026 10:27 am  

I enthusiastically started watching the video, even though the 10 seemed way too good, then the size of the valve seemed miraculously small, the concept of reverse wc odd, but I kept going because I wanted it to be true. Well done Mars, you gave me a good laugh and made my day! 


This post was modified 7 months ago by MK4

   
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Batpred
 Batpred
(@batpred)
Noble Member Member
Joined: 2 years ago
Posts: 1200
01/04/2026 7:18 pm  

Posted by: @jamespa
↑

I want one and plan to add it to my Christmas list, along with the repeal of the second law of thermodynamics.

I reads this is not available outside 01/04. Best to buy half a dozen, as it will fly off the shelves...

And don´t forget to get a few plug in PV kits as well. It seems Ed found a way to make them 60% efficient.. 😆 

 


This post was modified 7 months ago by Batpred

8kW Solis S6-EH1P8K-L-PLUS hybrid inverter; G99: 8kW export; 16kWh Seplos Fogstar battery; Ohme Home Pro EV charger; Vaillant Arotherm Pro 7kW; 100Amp head, HA lab on mini PC


   
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JamesPa
 JamesPa
(@jamespa)
Illustrious Member Moderator
Joined: 4 years ago
Posts: 5548
01/04/2026 8:19 pm  

Posted by: @batpred
↑

I reads this is not available outside 01/04. Best to buy half a dozen, as it will fly off the shelves...

 

I fear you may be right!

Im still up for supporting the repeal of the second law of thermodynamics.  Now there is a policy for (the many) crackpot politicians to whom the truth means very little.


This post was modified 7 months ago 2 times by JamesPa

4kW peak of solar PV since 2011; EV and a 1930s house which has been partially renovated to improve its efficiency. 7kW Vaillant heat pump.


   
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bobflux
 bobflux
(@bobflux)
Reputable Member Member
Joined: 8 months ago
Posts: 189
01/04/2026 8:53 pm  

Posted by: @toodles
↑
@jamespa Why not two or more - double your COP to TWENTY!!!!!🤩 Toodles.

With enough PV and fudging definitions to mean COP = heat output / grid input it's doable

 



   
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 LeJamaisContent
(@lejamaiscontent)
Active Member Member
Joined: 7 months ago
Posts: 19
05/04/2026 2:28 pm  

@jamespa 
see https://en.wikipedia.org/wiki/Indiana_pi_bill

My proposal to improve that Swedish approach: at the electric power supply, swap L and N on warm days to make the heat pump reverse, thus cooling down rooms while converting heat gain into electric energy.



   
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