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Majordennisbloodnok
Majordennisbloodnok
@majordennisbloodnok
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Famed Member
Joined: Dec 31, 2021
Last seen: Aug 25, 2025
Profile Activity
Topics: 25 / Replies: 884
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RE: Independence from power cuts

Generally yes. I asked the original question because we'd just had a couple of power cuts courtesy of Eunice and I still had a full battery sitting ...

3 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Who's your electricity provider and what's your tariff?

Wow! And the online supplier I used to use is currently not taking orders for my postcode at all.

3 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
Reply
RE: Thinking of installing a 7kW Vaillant ASHP – questions

@suzyQ, how well insulated is your house? I'm going to bang @derek-m's drum on this point since that's where you can potentially really multiply the e...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Measuring your COP

Agree entirely. I'm not after the heat pump running at its most efficient, I'm after the most efficient use of the energy at my disposal. There is a d...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Battery max discharge rate

I can only speak for my situation, but I'd hope it's fairly typical. My array and battery have been configured with a kind of hierarchy. If the ...

3 years ago
Forum
Energy Storage
Reply
RE: Measuring your COP

Yes-ish. I got a heat pump rather than a replacement boiler primarily as a lower burden on the world's resources whilst keeping us warm. That's also...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Independence from power cuts

That’s an explanation I can certainly understand. Makes perfect sense. Thank you.

3 years ago
Forum
Solar Photovoltaic (PV)
Topic
Independence from power cuts
3 years ago
Forum
Solar Photovoltaic (PV)
Replies: 62
Views: 13897
Reply
RE: Share your electricity bills

OK, time for an update. The month of February has seen our ASHP use 553.2 kWh and produce 2050, giving a COP of 3.7. During the same period, the sol...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
RE: Heat recovery systems

OK, let's have a go. Air has a specific heat capacity of 1.005, and 1m3 air weighs 1.205kg at 20degC. In fact, we keep our house at 19degC, which is...

4 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Advice on reading thermal images

@editor, when you took these images, did you also take one or two baseline shots? I've generally found it useful to have an idea of the temperature of...

4 years ago
Forum
Well & Truly Off The Grid
Reply
RE: Who's your electricity provider and what's your tariff?

Actually, @Derek-m, I'm rather surprised too. It's not so much a matter of what people should do as much as what I suspected they might or may do. Wit...

4 years ago
Forum
Electricity, Tariffs, Monitoring & Providers
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