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Old_Scientist
@old_scientist
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Joined: Jun 16, 2024
Last seen: May 1, 2025
Profile Activity
Topics: 5 / Replies: 147
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Reply
RE: Battery storage to run Heat Pump.

I'm in a similar boat, except I have 3.6kWp of solar too. I currently have an application in to install a Tesla PW3 and additional 3.6kWp of solar, bu...

2 months ago
Forum
Energy Storage
Reply
RE: Battery storage to run Heat Pump.

I think I watched the same video as @broadsman. I'm pretty sure that will only apply to Octopus' own Cosy heat pumps, over which they have far greater...

2 months ago
Forum
Energy Storage
Reply
RE: What is the best strategy for operating a very oversized heat pump?

I think you are right to frame the question as you did, as ToU tariffs are very relevant to any heat pump strategy (at least for those who are on them...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is the best strategy for operating a very oversized heat pump?

I don't know how the Samsung does it, but what I can tell you is the power draw reduces as the flow temps approach the desired set point. It seems to ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: What is the best strategy for operating a very oversized heat pump?

In milder weather, I know my radiators can only dissipate the heat being produced at a flow temp of 32-33C, so I set the WC to around this temperature...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: SolarPV tables / online calculator

We've only had our solar since last June, but so far for me it's been very accurate and within the published standard deviation each month. Yes, ...

2 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Newbie out of her depth – Samsung AE120RXYDEG 12kW heat pump

Same here @jamespa - we have a 12kW Samsung ASHP, solar and are currently considering adding a Tesla PW3, but no way do the numbers stack up financial...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Samsung Gen 7 R290 12kW is not behaving how I expected

Yes, that sounds correct. I would say try both options and see which works best for you. I wouldn't aim too low though, if you already know 34C is re...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Visit a Heat Pump sessions.

Congratulations @toodles, that's a fantastic result. Well done! I know I would have loved the opportunity to visit a heat pump installation before c...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Towel rails. An unexpected final hurdle

I think the issue is that MCS recommends 23C for bathrooms, which requires large emitters, and as mentioned above most towel rails simply do not emit ...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Setback savings - fact or fiction?

Besides the TOU tariff issues, where we may save usage at one rate and then use more in recovery at a cheaper rate, I find an overnight setback is mos...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: My house is too big and the Vaillant 7kW heat pump can't heat it when temperatures drop below 4C

There was a recent thread over on the openenergymonitor forum discussing the issue of Vaillant 7kW unit not being able to deliver anywhere near 7kW (s...

2 months ago
Forum
Air Source Heat Pumps (ASHPs)
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