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AllyFish
@allyfish
Contributor
Prominent Member
Joined: Oct 31, 2022
Last seen: Mar 16, 2026
Profile Activity
Topics: 23 / Replies: 494
AllTopicsReplies
Reply
RE: Need help explaining how my ASHP heats home vs. water

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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Did anyone else's ASHP spend most of yesterday (Mon 21/11/22) in defrost?
3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 5
Views: 2472
Reply
RE: Rate the quality of your heat pump design and installation

@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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Not having a good time with my Daikin ASHPs (yes, plural)

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 ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Rate the quality of your heat pump design and installation

@editor Yes, both by Thrift Energy

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
Grant Aerona ASHP install and Growatt Solar PV install (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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
'Things' = digital mini thermostats!

@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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Observation about radiators and weather compensation

@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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Sceptic to Grant Aerona 3 10kW ASHP convert

@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 ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Sceptic to Grant Aerona 3 10kW ASHP convert

@derek-m Yes. 50degC to 30degC heating water supply temperature depending on outdoor temperature. Weather compensation active from 20degC to -4degC. ...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Sceptic to Grant Aerona 3 10kW ASHP convert

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...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
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