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Majordennisbloodnok
Majordennisbloodnok
@majordennisbloodnok
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Famed Member
Joined: Dec 31, 2021
Last seen: Aug 28, 2025
Profile Activity
Topics: 25 / Replies: 886
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RE: FiT versus actual solar exports

Not sure if it answers your question, but we’ve recently got our export tariff up and running with Octopus. We went for the agile Octopus Outgoing rat...

3 years ago
Forum
Solar Photovoltaic (PV)
Reply
RE: Highly recommended heat pump installers

Not only would I not hesitate to recommend, I have already done so several times. Doré Woodman covering Surrey and Sussex. Every time I read a horr...

3 years ago
Forum
Air Source Heat Pumps (ASHPs)
Reply
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
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