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Old_Scientist
@old_scientist
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Joined: Jun 16, 2024
Last seen: Jun 14, 2025
Profile Activity
Topics: 5 / Replies: 164
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Reply
RE: Volumisers in Heat Pump Systems: Does Placement Matter?

The normal process is for the circulating pumps to continue running, as they need to circulate warm water from the radiators (or DHW) to the heat pump...

3 months ago
Forum
Thermostats, Volumisers, Buffer Tanks, TRVs, Pumps, Piping, Valves, Radiators & Controls
Reply
RE: Battery storage to run Heat Pump.

Not necessarily. Each DNO application is treated on it's merits, and they will allow it if they can. The key determining factor is likely the spare ca...

3 months ago
Forum
Energy Storage
Reply
RE: Who's your electricity provider and what's your tariff?

Interesting to hear how that works for you. We have a heat pump and solar, but no battery and we are on Octopus Cosy. We load shift as much as pos...

3 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Have Consumers Been Lied to About the Efficiency of Heat Pumps Made in China?

Would be nice to see some data for Midea units, as these are widely rebadged and used by a number of major 'manufacturers' I believe.

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery storage to run Heat Pump.

Exactly, and as in my case above, we may have left it too late as our neighbours have sucked up all the local capacity leaving us with just the standa...

3 months ago
Forum
Energy Storage
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...

3 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...

3 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...

3 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 ...

3 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...

3 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, ...

3 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...

3 months ago
Forum
Air Source Heat Pumps (ASHPs)
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