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Assessing Heatmiser Neostat Accuracy: How and Why to Calibrate Them

 
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Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Last Post by Mars 2 years ago
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 5 years ago
Posts: 703
29/03/2024 11:15 am  

Posted by: @editor
↑

@morgan we intend to document everything and show the difference. Where in the UK are you based?

@editor Derbyshire.
 


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
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 SKD
(@skd)
Trusted Member Member
Joined: 4 years ago
Posts: 63
03/04/2024 10:47 am  

Posted by: @morgan
↑

I had a Heatmiser Neostat installed with my Ecodan.  I was told, I think, by Brendon that it was a simple on-off switch not suited to ASHP control. He advised stripping it out and installing Mitsubishi components.  I did exactly that.
Same for us.  Our Ecodan now runs on WC with all emitters fully open.  Neostats are now used for monitoring only.
 


Mitsubishi Ecodan 11.2kW R32 ASHP; Ecodan DHW cylinder; UFH+rads
20x430W Jinko TOPCON Tiger Neo solar; Luxpower 6+4kW hybrid inverter; 20kWh Hanchu ESS LFP battery storage
PHEV; Zappi charger
1997 stone detached house with updated insulation. 140sqm, maintained at 20-22degC 24/7


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4763
Topic starter 04/04/2024 3:03 pm  

@Morgan I'm still looking into this for you – the competent installers that are near you don't do "repair" work yet – they just want to full installs. I have, however, been given two names of installers that are very reputable – if/when they reply, I'll put them in touch with you.


New to heat pumps? Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
🎧 Prefer to listen? Heat Pumps Explained


   
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Morgan
 Morgan
(@morgan)
Noble Member Member
Joined: 5 years ago
Posts: 703
04/04/2024 3:20 pm  

Posted by: @editor
↑

@Morgan I'm still looking into this for you – the competent installers that are near you don't do "repair" work yet – they just want to full installs. I have, however, been given two names of installers that are very reputable – if/when they reply, I'll put them in touch with you.

@editor
That's very kind.  I've made contact via two websites here and had no reply so I suspect that they too are only interested in full installs.  Frustrating.
 


Retrofitted 11.2kw Mitsubishi Ecodan to new radiators commissioned November 2021.
14 x 500w Monocrystalline solar panels.

2 ESS Smile G3 10.1 batteries.
ESS Smile G3 5kw inverter.


   
ReplyQuote
 Derek M
(@derek-m)
Illustrious Member Member
Joined: 5 years ago
Posts: 4425
04/04/2024 4:18 pm  

Posted by: @morgan
↑

Posted by: @editor
↑

@Morgan I'm still looking into this for you – the competent installers that are near you don't do "repair" work yet – they just want to full installs. I have, however, been given two names of installers that are very reputable – if/when they reply, I'll put them in touch with you.

@editor

That's very kind.  I've made contact via two websites here and had no reply so I suspect that they too are only interested in full installs.  Frustrating.

 

I suspect the reason may be that there is no grant that can be applied to repair work, so no opportunity to bump up the price. 🙄 

 



   
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Toodles
 Toodles
(@toodles)
Famed Member Contributor
Joined: 4 years ago
Posts: 2866
04/04/2024 5:13 pm  

@derek-m Oh you cynic you! (And I think you are very close to the truth there!) 😵‍💫 Toodles.


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


   
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Mars
 Mars
(@editor)
Illustrious Member Admin
Joined: 5 years ago
Posts: 4763
Topic starter 05/04/2024 12:05 pm  

@Morgan I've just sent you a DM with the details of @adrian-liddell from Busy Energy who comes highly recommended by other installers that we trust. I will let you contact Adrian and see if this is a project he can assist you with.


New to heat pumps? Take the Heat Pump Fundamentals course and use INTRO50 at checkout for 50% off.
Rewritten and updated for 2027
📘 From Zero to Heat Pump Hero
🛠️ Bodge Buster
🎧 Prefer to listen? Heat Pumps Explained


   
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