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Old_Scientist
@old_scientist
Member
Prominent Member
Joined: Jun 16, 2024
Last seen: Jan 2, 2026
Profile Activity
Topics: 6 / Replies: 313
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RE: Need Help Optimising My Rushed ECO4 Install: 12kW Bosch Heat Pump

Welcome @mickamills We too have an oversized 12kW Samsung heat pump installed on the ECO4 scheme. We cannot run continuously until outside temps fa...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My Powerwall 3 Consumes 3-4 kWh/Day in Self-Consumption: Is This Normal?

@caron I can confirm that the power usage of the PW3 is quite high, and I was initially quite shocked at how high. Others have noted similar in discus...

1 week ago
Forum
Energy Storage
Reply
RE: Balancing financial efficiency and comfort using the Octopus Cosy tariff

Looking at your figures, I'm guessing you'd ideally need around 13.5-15kW of usable charge as an absolute minimum for a tariff like Cosy. That higher ...

1 week ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Never mind the OAT…

I agree, I'm equally predisposed to a cold sunny winter's day over a milder wet day. Financially it's cheaper too - we can produce 10-15kW on a decent...

1 week ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Free Ecoheat Heat Pump Install

Not all "Heat Pumps" are created equal. Some outdoor units contain the circulation pump(s), others do not. The Samsung outdoor units does not contain ...

2 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Poll for Time of Use, tariffs, technology

Not necessarily. Some more expensive batteries (e.g, GivEnergy, Tesla) also give access to more lucrative tariffs (Intelligent Octopus Flux), so one c...

3 weeks ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Poll for Time of Use, tariffs, technology

We have solar, batteries and ASHP. We use seasonal tariffs. In the summer We use Intelligent Octopus Flux (we generate more than we consume, thus ar...

3 weeks ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Setback savings - fact or fiction?

Following this discussion with much interest. We operate a set back, as much by necessity of having an over-sized heat pump, but also due to my Scro...

3 weeks ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Electricity price predictions

Thank you @transparent I see the closing date for the survey is Nov 20th, so I will think about your comments and how best I can draft a submission,...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Mixergy Tank Failure

@bontwoody I couldn't see from the graph, but what temp do you heat the DHW to, and how hot does it get to in 30mins? Is it just not able to heat to...

2 months ago
Forum
Domestic Hot Water & Cylinders
Reply
RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters

and we have some of the strongest tidal flows anywhere on the globe.  

2 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Electricity price predictions

I cannot understand why heat pumps (and solar/battery) are not mandated for all new build properties in the UK. I know the government are unlikely to ...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
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