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robl
@robl
Member
Honorable Member
2570 kWhs
Joined: Mar 23, 2022
Last seen: Mar 4, 2025
Profile Activity
Topics: 1 / Replies: 198
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Reply
RE: A beginner's journey into DIY home energy storage - no solar!

@transparent Piccy as requested, a pic of a few cells showing active balancer attached with fuses. The fuses are actually 3.75A 75V self resetting...

1 year ago
Forum
Energy Storage
Reply
RE: A beginner's journey into DIY home energy storage - no solar!

This vid (off grid garage) talks about cell compression versus life. In a nutshell: you cannot stop cells expanding a mm or so when full- 300kg (3kN...

1 year ago
Forum
Energy Storage
Reply
RE: A Beginner's Guide to Heat Pump Monitoring Reloaded (v2)

I did made a heat meter - I used the tsic716 sensor (tho the one you point at is a lot cheaper, and similar accuracy, which is great). I connected tw...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: COP for DHW using a heat pump

@Iancalderbank Your heatpump is likely to have a flow-return temperature of around 5degrees. So under most dhw circumstances, the tank will have be...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pumps and on/off working - starting to quantify it

It's often the case that people crank up the thermostat as it gets colder outside. I think the most significant reason for this is that the external ...

1 year ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Smart meter installation – seamless or a potential nightmare?

That brown plastic box is our fibre to the home inlet box. It just seemed a bit neater to stick it in the old gas box. The gas used to go off to th...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Smart meter installation – seamless or a potential nightmare?

We had our gas meter taken out by Octopus a few months ago. It’s a plastic pipe rising up, capped off with a metal cap. The bit ringed in red is the...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: COP for DHW using a heat pump

We heat our 10yr old solar tank with a gshp. It used to just heat the top coil with up to 55C flow, getting the water tank to ‘maybe’ 43C. In the No...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: EV tariffs - too good to be true?

I think as gas and oil boilers get phased out, low install cost heat storage solutions will seem too attractive on Octopus go - so I agree, Octopus wo...

2 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: New member - advice sought

@jvs197 I suggest that you experiment with your present gas system, so that you can determine how well an ashp could work. It’s what I did before i...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: New member - advice sought

We swapped to a HP 2 years ago, after running a regular gas boiler for many years. We have smart meters, so could correlate daily gas kWh with the out...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: ASHP Consumption

s The rule of thumb I’ve seen has been total yearly kWh/2000 gives the peak power in kW. It works for us- but would give 36000/2000=18kW. Are you ...

2 years ago
Forum
Air Source Heat Pumps (ASHPs)
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