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How would you rate the design, installation and efficiency of your heat pump system? Poll is created on Nov 06, 2022

  
  
  
  
  
  

[Sticky] Rate the quality of your heat pump design and installation

 
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Air Source Heat Pumps (ASHPs)
Last Post by JamesPa 2 hours ago
302 Posts
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 Keithb
(@keithb)
Active Member Member
Joined: 2 months ago
Posts: 8
16/04/2026 4:52 pm  

@josejo thanks will check it out.



   
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JamesPa
 JamesPa
(@jamespa)
Illustrious Member Moderator
Joined: 3 years ago
Posts: 4638
16/04/2026 5:05 pm  

@keithb If you would like to start a thread describing your system and the current problems Im sure someone here will be able to help.  Costs will of course be highest in Dec/Jan/Feb, but should be comparable to gas or oil if you average over the year. 

The most important things to minimise cost are to run 24x7 or thereabouts with weather compensation turned down to the lowest value consistent with heating the house.  If you run it like a boiler and/or dont have weather compensation properly adjusted it will cost more, possibly a lot more than if run correctly, and be less comfortable.  Fortuitously the right way to operate it for efficiency is also the most comfortable and if you get it right (which may  take some tweaking) you should end up with heating that is much more comfortable costing about the same to run.

If you would like to start a thread describing your system and the current problems Im sure someone here will be able to help you achieve that.

I would also recommend you read this introduction to help dispel any myths and provide some background.


This post was modified 2 hours ago 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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