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Last seen: May 27, 2026
About Me
Until retirement, I worked for an investment bank providing financial advice to the private-sector sponsors of major infrastructure projects. Â Examples include the Dartford Crossing, M6 toll road, Quito airport, power generation projects, and various oil and gas pipelines including one that recently got blown up in the Baltic. Â More recently working in the UK with a small power company providing contracted services to National Grid.
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Mitsubishi Zubadan 14kW with Mixergy 210l DHW in 220m2 barn property. 24 solar panels = 9kWp with GivEnergy 5.0kW Hybrid inverter and 19kWh GivE batteries. Jaga Strada fan-assisted rads throughout. Landvac vacuum glazing/triple glazed windows.
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Latest Posts
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Yes, I'll do all that and watch them like a hawk. &nb...
By MentalLentil , 51 seconds ago
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RE: Electricity price predictions
@jeff I revel in my oversimplification however, the ...
By Papahuhu , 10 minutes ago
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Hi, David I'm far from an expert, so take my comments...
By Majordennisbloodnok , 23 minutes ago
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RE: Anyone concerned about GivEnergy?
@drei yes I am well aware of that. But my installation ...
By downfield , 59 minutes ago
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RE: How many people are happy with their ASHP and do you believe them?
I've always expected price rises over time; it's in the...
By Majordennisbloodnok , 2 hours ago
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RE: Solar Produced vs Home Consumed
We can discuss this further with you. Before you coul...
By Transparent , 4 hours ago
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RE: New Vaillant aroTherm Plus in black - When will it come to the UK?
Of course, British companies asked for the benefit of t...
By Batpred , 17 hours ago
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RE: A2A vs A2W: Which Heat Pump Would You Pick?
@jamespa the answer to your question is in our A2A podc...
By Mars , 17 hours ago
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RE: Heat Pump Operation in Summer - Valliant 7kW
Yup! Summer in Spring. Wonder if Summer will last unt...
By Majordennisbloodnok , 21 hours ago
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RE: Heat Pump Overpromising – What Were You Actually Told Before You Bought?
@editor Sorry Mars, I didn’t see a notification about ...
By Toodles , 23 hours ago
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RE: Hitachi Heat Pump being replaced with Vaillant
Yes to be configured as a volumiser. The pump is to be...
By trebor12345 , 23 hours ago
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Yes, you will need to notify them even if the inverter ...
By Old_Scientist , 1 day ago
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RE: Heat Pump Manufacturers Recommending Buffer Tanks
@tony-stolz, I think @jamespa has already covered the h...
By Mars , 2 days ago



