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robl
@robl
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Honorable Member
Joined: Mar 23, 2022
Last seen: Jan 6, 2026
Profile Activity
Topics: 1 / Replies: 206
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RE: Electricity price predictions

The underground gas pipes near us are all being replaced, with our street around the time we removed it from our house altogether! I think the gas...

1 month ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Electricity price predictions

I think home batteries are now very inexpensive, £1000 will get you 16kWh from Aliexpress - I expect +shipping, £1400 all in price from fogstar in the...

2 months ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Cost to have Gas removed

Octopus removed our gas meter for free a couple of years ago - leaving a capped plastic pipe sticking out of the ground inside the old meter box. I k...

3 months ago
Forum
Your Home
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RE: Double or Triple Glazed Windows?

If you get windows replaced, then I think it's well worth getting low U value units in whatever the frames are. It's not simply 3G is better than 2G;...

6 months ago
Forum
Insulation
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RE: Can I add an EV charger to a full consumer unit by coupling with a garage DB?

As I understand it, if a slowly rising common mode DC is passed through the AC only type of RCDs then it will saturate the core in it, and then it can...

10 months ago
Forum
Renewable-powered transport (EVs & e-bikes)
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RE: Can I add an EV charger to a full consumer unit by coupling with a garage DB?

We have two car chargers with different plugs🙄 - a 32A one and a 10A one. The larger one is fed with 6mm2 cable from its own tiny CU (looks j...

10 months ago
Forum
Renewable-powered transport (EVs & e-bikes)
Reply
RE: Plug and play solar. Thoughts?

I’ve seen our mains voltage very high on occasion, but I’ve never known anything happen due to it. We get 253V on a sunny day here - I looked in the ...

10 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: R32, "optimum" delta T

There’s no definitive magic deltaT for a heatpump, just pragmatic ‘generally optimum’. If you put more power into the water pump, the deltaT will redu...

10 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

That 2.5% cost increase every degC corresponds to my home-made graph pretty accurately. I was confused by the graph above at first, but then I unders...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat pump's integral circulator pump

Technically I could perhaps be called a heat pump designer, having designed and built the one gshp system that has heated our home for 3 years. It’s ...

11 months ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Solar inverters - where does the energy go when clipping?

Why do panels get damaged if not connected? When they are normally in the sun, they get 800W/m^2 evenly distributed, and they warm up everywhere. S...

11 months ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Solar inverters - where does the energy go when clipping?

In the solar panels. On a nice sunny day, a square metre of panels would get 1kW from the sun. Of this we might expect 200W of electical power if...

11 months ago
Forum
Solar Photovoltaic (PV)
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