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Old_Scientist
@old_scientist
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Reputable Member
Joined: Jun 16, 2024
Last seen: Jul 2, 2025
Profile Activity
Topics: 5 / Replies: 172
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RE: Compute heat loss from energy used

@sussex-greenish Welcome to the forum. I think your logic is correct, but I'm happy to defer to the expertise of others if not! From your experime...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Is your gut better than Math

@aaron Welcome to the forum. With a heat loss of 5.1kW for the main part of the house, I'm not surprised you are seeing cycling as the weather is cu...

4 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Agile: average import cost vs other tariffs?

I switched from Agile to Cosy on 12th Dec, when the stupidly high prices started. We currently have a heat pump and no battery storage (do have solar ...

5 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Octopus intelligent Go, IOG. maximising slots

That will depend on your usage and storage capacity. IOG has a super cheap rate overnight, so if you can charge your battery overnight and then use it...

5 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: GivEnergy 2025 forthcoming batteries and inverters

That all sounds very much like the Tesla Powerwall 3, but with slightly higher figures so the GivEnergy always comes out top in a game of Top Trumps (...

5 months ago
Forum
Energy Storage
Reply
RE: Samsung Gen6 with no external thermostat

I have a Samsung Gen6 and mine was installed with a 3rd party room thermostat, so that is what I use. I find it very convenient. However, I know you...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar inverters - where does the energy go when clipping?

@robl thank you, makes perfect sense, and my wife is relieved to know the inverter isn't sat in the loft smouldering due to excess heat because of an ...

5 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Grant Aerona3 13kW Noisy pipes after balancing

Regarding noise, we run at fixed flow rates of between 24-26L/min (so similar to you), and have a new system with 22mm copper runs, branching off to 1...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Solar inverters - where does the energy go when clipping?
5 months ago
Forum
Solar Photovoltaic (PV)
Replies: 7
Views: 427
Reply
RE: Solar for heating DHW

Similar situation here, although slightly lower numbers as I have a 12kW ASHP and a 3kW solar inverter. In the summer*, I try to limit the power dra...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat Pump starting current

I have seen mentioned two things that may help alleviate the effects of defrost cycles. The first is having sufficiently large thermal mass within t...

5 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Investment or not Solar/Battery instllation

I'm not sure I follow. I have a 12kW Samsung ASHP, and starting from cold, which we do most mornings as we often switch off overnight, the system norm...

5 months ago
Forum
Solar Photovoltaic (PV)
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