Last seen: Jun 18, 2025
@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 ...
Hi Emma, check what your house thermostat is doing set at 16/17degC. Is it switching the ASHP on and off continuously? If it is that's a very ineffici...
@knukes Hi, thanks for sharing. The Grant weather compensation parameters are quite straight forward to adjust once you get into the settings in the l...
Hi Chris, there's some fantastically experienced and knowledgeable ASHP people here, you've come to a good place for help. As others have said, based ...
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