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[Sticky] Heat Pump Books For Beginners – The Ultimate Guide to Heat Pumps, Bodge Buster & From Zero To Heat Pump Hero

 
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Air Source Heat Pumps (ASHPs)
Last Post by JamesPa 41 minutes ago
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 Travellingwave
(@travellingwave)
Trusted Member Member
Joined: 3 years ago
Posts: 33
24/02/2026 12:48 pm  

https://4industry.com/manufacturing-glossary/8-pillars-of-tpm/



   
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JamesPa
 JamesPa
(@jamespa)
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Joined: 3 years ago
Posts: 4329
24/02/2026 12:57 pm  

Posted by: @travellingwave
↑

- but in fact I believe 90% of the value can be gained by just trending flow and return temps -

I use Home Assistant which captures the same data as that displayed in the Vaillant app (no additional hardware needed).  OAT, FT and occasionally power consumption are all that's really needed 95% of the time.  FT and OAT alone would probably suffice!  

 


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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 Travellingwave
(@travellingwave)
Trusted Member Member
Joined: 3 years ago
Posts: 33
24/02/2026 1:05 pm  

@jamespa 

Also a good way to get data- I have had a play with the dongle  that plugs into the Ecodan and integrates to home assistant.

All requires a certain level of tech savvy though. Heatpump should do this stuff out of the box.

 

 



   
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JamesPa
 JamesPa
(@jamespa)
Illustrious Member Moderator
Joined: 3 years ago
Posts: 4329
24/02/2026 2:04 pm  

Posted by: @travellingwave
↑

Heatpump should do this stuff out of the box.

It has been said that both manufacturers and installers are reluctant to provide too much data too easily for fear of being overburdened with support calls.

I think I can understand this, whilst agreeing that it should be available one way or another.  Better still of course would be if it weren't needed!


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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