Last seen: Dec 18, 2025
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 ...
@editor Yes, both by Thrift Energy
I don't think you're that far wide of the mark Mars in your estimate. 7/10 'could do better' would be my honest appraisal. ASHP: tidily installed wo...
@derek-m Hi Derek, the primary pump is the one in the ASHP, which for the Grant Aerona range is a fixed pump curve device. It's for exactly this reaso...
@derek-m, correct, the digital thermometers from Amazon Kev gave a link to. Nifty little things. Cost £11 or so on Amazon Prime for 4. The low loss he...
@kev-m Hi Kev, great minds. I've just fitted 4 of these to my newly installed system either side of the low loss header/volumiser, to read the primary...
@hughf The HIVE was by the installer, not Grant. It works for me as I can zone various rooms in the house on smart TRVs to boost temperatures to suit ...
@derek-m Yes. 50degC to 30degC heating water supply temperature depending on outdoor temperature. Weather compensation active from 20degC to -4degC. ...
Hi @Mars, yes, a brand new install. First winter off kerosene. I either needed to replace a 25yr old oil boiler, with a newer condensing oil burner, o...
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