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AllyFish
@allyfish
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Noble Member
Joined: Oct 31, 2022
Last seen: Jun 18, 2025
Profile Activity
Topics: 22 / Replies: 468
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Reply
RE: Heat pump research study: UK homeowners that decided not to install a heat pump after considering it

@editor is it s survey intended to, ultimately, improve the take up of ASHP and renewable heating? Or a survey by an organisation with a vested intere...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery Charging Anomalies

In my day job I'm designing systems that support fire-rated battery rooms with 200kVA Siemens Bluevault Li-Ion 230V UPS batteries. They require a room...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: DHW with Grant Aerona link to cylinder temperature

@fjj 52degC is a good thermostat setting, the flow from the ASHP needs to be 3-5degC higher than the tank cylinder setting thermostat or you're just b...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Rate the quality of your heat pump design and installation

Seems to be the norm. Decent install on the wet side with monobloc and rads. Usual mediocrity with the rest: Condensate drainage overlooked, check. ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: DHW with Grant Aerona link to cylinder temperature

@FJJ, I have the same set up. Grant 10kW Aerona, pre-plumb 250l cylinder, iBoost. The iBoost just runs on the 3kW immersion heater, which I don’t thin...

2 years ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: Eco Heatsense: a game changing radiator valve

@derek-m or a bag of sparks, or a box of rivet holes, or some sky hooks. I fell for the lot when I served my time.

2 years ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: This does not make sense - documents needed for EPC score

@ronin92 that's a good find, thank you. Having had a speed-read of the research paper, it seems the elephant in the room may be the simple affordabili...

2 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: What impact does compressor not running at low LWT have?

Welcome @mortstar. 🙂 Compressors are very well protected in ASHPs, and user and installer configurable setting adjustments to the water side controls...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Cool website. Well at least I thought so.

Nice find. Crown Estate publish real time data for offshore UK wind./p> You can see the opportunity for harvest the potential for offshore wind the ...

2 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Heat pump and a solar diverter. Is it logical?

We have 3.6kWh solar + battery, 10kW ASHP & IBoost. All works beautifully for us. Solar PV powers, in order; ASHP when running, surplus generati...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: UK government has published its plans for Powering Up Britain

We do that on Octopus Cosy, ASHP heating off 1-2pm for HW charge, off between 5:30pm and 6:30pm during peak tariff period when we're powered by batter...

2 years ago
Forum
Government Schemes, Regulations, Planning & Organisations
Reply
RE: Smart meter installation – seamless or a potential nightmare?

@derek-m absolutely agree. We fitted a 3.6kW 9 panel solar array alongside our ASHP. I then had a 6.5kW battery fitted. Together with Octopus Cosy the...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Page 29 / 41
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