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Grant Aerona3 R32 HPIDI17 performance in low temperatures

 
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Air Source Heat Pumps (ASHPs)
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 davidm06
(@davidm06)
Active Member Member
Joined: 1 year ago
Posts: 19
Topic starter 26/01/2025 12:41 am  

That was in the inside room temperature



   
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 Uk_pete_2000
(@uk_pete_2000)
Trusted Member Member
Joined: 1 year ago
Posts: 83
26/01/2025 1:11 am  
@davidm06 forgive me but you must be freezing at 10c inside. Most people have it set to around 20•c


   
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 davidm06
(@davidm06)
Active Member Member
Joined: 1 year ago
Posts: 19
Topic starter 26/01/2025 10:12 am  

We were away for three weeks so put the temperature down and hot water off. Despite this, our daily costs were high due solely to the defrosting cycle 



   
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 Uk_pete_2000
(@uk_pete_2000)
Trusted Member Member
Joined: 1 year ago
Posts: 83
26/01/2025 10:39 am  

Okay understand now. Even though we get defrosting cycles we could reduce them by running the HP at a much lower flow temp. At present we try to run between 25 to 27°c which keeps the house around 19.

We also try to only run during the day.



   
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