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Prunus
@prunus
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Estimable Member
Joined: Apr 6, 2021
Last seen: Sep 14, 2025
Profile Activity
Topics: 4 / Replies: 60
AllTopicsReplies
Reply
RE: Move along, nothing to see here....

API keys are like passwords, but used by computers. They allow access to private resources and data like passwords do, although API keys are often sho...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: National Grid ESO peak hour rebate

It turns out Octopus have an API for reading the times of future (and past) 'saving sessions', as well as the points you've earned. I hacked up a qui...

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Heat pump servicing and maintenance

NRM Plumbing and Heating (St Neots, Cambs), £120+VAT. According to the invoice, checked the filters, glycol mix, outdoor unit. I didn't ask for a lis...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Buying a house with an ASHP – what to look out for and what questions to ask?

If I were buying a place with tech I wasn't familiar with, I'd probably look for an expert to do an inspection. Surveyors are common for structural i...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Install a Grant Aerona 13kW instead of Mitsubishi Ecodan 11.2kW?

@FJJ Over the last few weeks I've commissioned a switch from an external Honeywell Lyric controller to using the ASHP's own controller. I need to wri...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Towel rails

If your towel rail has an electric heating element, one solution is to fit a boost timer on it. For example this one should be a drop-in replacement ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Anyone want to share costs on batteries?

Just an addition on the subject of sourcing your own cells: a lot of the cells on offer on the likes of Aliexpress are some variation on factory rejec...

4 years ago
Forum
Energy Storage
Reply
RE: Anyone want to share costs on batteries?

One solution to that is multiple batteries and multiple inverters: dual ME3000SP each feeding its own stack of batteries. Then they can operate in par...

4 years ago
Forum
Energy Storage
Reply
RE: Anyone want to share costs on batteries?

Let's price up some bits: Sofar ME3000SP battery storage inverter (3kW output): £780 Pylontech US2000 2.4kWh battery: £728 Total for inverter + ...

4 years ago
Forum
Energy Storage
Reply
RE: Balancing radiators with heatpumps

I found this helpful: Makes the point that what we really want is to balance the room temperatures, rather than the radiator temperatures, so thi...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Balancing radiators with heatpumps

@derek-m Thanks. For the purposes of balancing, does it matter if the value is 12, or 8 or 5, as long as they're all the same? In other words, when ...

4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Topic
Balancing radiators with heatpumps
4 years ago
Forum
Air Source Heat Pumps (ASHPs)
Replies: 7
Views: 4620
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