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Last seen: Aug 3, 2026
I have a Grant Aerona 290 15.5kW air source heat pump with the latest Grant Smart Controller. The controller does not have a holiday mode. In fact I...
Out of interest, why did you buy the Aerona 3 R32, rather than the Aerona R290? You would probably be better off with the Aerona Smart Controller, r...
The Grant Aerona Smart Controller has an interesting approach. It has a parameter called Room Temperature Correction. It applies the following formu...
@gruff2001 I had an MCS inspection on Tuesday. He checked whether we had a proper soak-away for defrosting the heat pump, looked at the pipework arou...
I was asked to help a lady who had an Ideal heat pump installed under the ECO4 scheme. She asked for help, because the lounge thermometer was reporti...
@jamespa I read the original post, which I interpreted as saying that he wants the house to be 16C during the day and 15C at night. I think he is a f...
This may not be a helpful post, as you have already purchased the equipment, but I have a couple of questions: Assuming you have just installed th...
A couple of suggestions: It is important to set the weather compensation curve correctly at both ends. Otherwise, a change of outdoor te...
I have a Grant Aerona R290 15.5kW heat pump, which is running very nicely. Certainly don't go for the Aerona3 R32 heat pump or its antiquated control...
@jamespa I agree that it is important to avoid a 4 port buffer or low loss header, due to the impact on efficiency. My understanding is that volumis...
I would agree with your view that the larger house will be less efficient. The basis for this is: There might be longer pipe runs outside the hea...
@toodles interesting suggestion, thanks. I will try to resist the temptation to hijack someone else's topic to solve my problems!
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