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Air Source Heat Pumps (ASHPs)
Last Post by MikeH 3 weeks ago
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Pirate Rich
 Pirate Rich
(@pirate-rich)
Trusted Member Member
Joined: 1 month ago
Posts: 28
14/10/2025 9:02 pm  

Posted by: @vsmith1
↑

I must confess that I am unconcerned by the buffer/volumiser tank, though at the time it was another item to shoehorn into the limited space we had available. 

What I do want, and not sure where to start, is to get Aira to, at least, release a API that can be used by Home Assistant, to read the ASHP operational state and consumption. At best, release a supported Home Assistant Integration. In the meantime, I am contemplating using a Shelly EM unit with CT to at least monitor the electrical consumption. There are HA integrations/HACS for Octopus, GivEnergy and I have a few Power Monitoring smart plugs for individual sockets/devices, but the consumption by the Aira system is just lumped into the "untracked consumption". 

Anyone any thoughts?

Having joined the Aira owners group on Facebook (for some heat pump research I am part of), they have completely locked the system down. I’m also suspicious of the COP’s being given too. In my opinion, their designs are sub-optimal for homeowners (good for them though) and I’m sure if we had independent monitoring it would show this.

 


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 ChandyKris
(@chandykris)
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Joined: 1 year ago
Posts: 93
15/10/2025 5:40 am  

@pirate-rich Keen to hear a bit more about the erroneous COP figures. I assume you mean the stated heat outputs are wrong. The electricity delivered seems to match the power consumption shown on.our Growatt inverter. Are COPs getting inflated, or are they just wrong. Recently watched a Jonathan Tracey YouTube video who highlighted similar issues with his Daikin COP figures.


16 * 435 watts PV
13 kWh Growatt battery
1 EV - Mercedes EQB
6 kW Aira Heat Pump


   
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Steelbadger
 Steelbadger
(@steelbadger)
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Posts: 14
15/10/2025 7:42 am  

I don't know how they did it, but there is an Aira on Heatpumpmonitor: https://heatpumpmonitor.org/dashboard?id=366

It doesn't seem great, but I can't really draw a conclusion on a sample size of one.



   
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Toodles
 Toodles
(@toodles)
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Joined: 3 years ago
Posts: 2223
15/10/2025 7:45 am  
  • @chandykris The Daikin app is very iffy, I take a very large shovel of salt when looking at the graphs it shows. Jonathan Tracey points out that the resolution is poor and rounding up and down is very haphazard indeed; might this be the same with other makes of HP and their apps? Toodles.

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


   
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 MikeH
(@mikeh)
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Joined: 1 year ago
Posts: 52
15/10/2025 8:56 am  

@steelbadger really interesting to see an Aira unit on Open energy monitor. I've not seen anyone's app quote such a low COP like that one. The Apps data must be getting something wrong. I'd love to know what their app figures are showing in comparison to what open energy monitor is showing.



   
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