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Last seen: Mar 16, 2026
@editor thanks Mars. Both the Growatt hybrid charger and inverter are fully metal clad to quite a decent IP level, most high end batteries are. I'll t...
@soniks a low loss header is a form of buffer, but also hydraulically decouples the primary and secondary sides of the system. They increase the syste...
@soniks - the Grant Aerona controller has some basic user level parameters you can check including power consumption in W, flow and return temperature...
@cathoderay you're right, and my explanation is a bit confusing. I've seen my Grant ASHP spend a lot to time in defrost recently and it does tend to m...
@soniks, so sorry to read this. All ASHPs in the UK at the moment will be routinely cycling into defrost. The compressor switches off and the system r...
@lucgw you are welcome. Many of us are learning as we go. I can't help but notice there's no pipework insulation on any of that Grant install. Is the ...
@lucgw Hi there, I'm relatively new to ASHP with a 10kW Grant Aerona3 ASHP and 250L pre-plumbed grant cylinder. I'm sitting at around 32-36kWh per day...
140m2 and heated background circa 18degC daytime 16degC night time. Grant Aerona3 on 24/7. Currently about 24kWh per day for heating and DHW (45degC s...
Weather Compensation set to OEM standard, and ASHP left running 24/7. First really cold test for the Grant Aerona 10kW. -4degC air = +45degC water. A ...
@editor Freezing fog seems to be an ASHP's nemesis. When similar weather is forecast I'll pop downstairs, light the log burner first thing and switch ...
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@jamespa Thanks so much for the support so far. I've re...
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Thanks @editor I appreciate that things go wrong, bu...
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RE: Rate the quality of your heat pump design and installation
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Forum Handle: ispookie666 Manufacturer: Vaillant Mo...
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I am seeing an increasing number of occasions when my G...
By DavidAlgarve , 1 day ago
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RE: End-of-Life Heat Pumps: How Do You Dispose of an ASHP in the UK?
@editor Thanks Mars. I look forward to the subsequent ...
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RE: Anyone concerned about GivEnergy?
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RE: Brand and installer questions for ASHP
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RE: Upgrading my system, how far do I go?
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