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Last seen: Aug 12, 2026
@johnmo I don't think I have a choice with the Cosy 9 - there's less control than with other manufacturers and it is designed to work with the Cosy po...
Thing is, when explained like this it sounds very much like a thermostat, albeit not on/off! What is happening to the other rooms as the room with th...
I think I understand weather compensation ok and I can see how that works by altering flow temperature such that each emitter is supplying the right a...
My insurer just asks the question: "Is your home heated by" and available options are "a gas boiler" and "a heat pump". Changing to the latter incurr...
@majordennisbloodnok Well, I tried it and nothing burned down 😀 Actually, I forgot to think about the 8kW inverter so what happened was that ...
@majordennisbloodnok I should probably clarify: I wasn't expecting that it would charge at 7kW and simultaneously export 3.6 for payment just not inte...
It seems SC = K1 = Type 11 and DC = K2 =1 = Type 22
@pie_eater that’s good to know at least. Obviously every house is different and 13 radiators are being changed in mine. It’s a Finnish timber framed ...
@rob_cirrus_energy If I could perhaps summarise that to see if I understand correctly. Let's say I have a house with 3 rooms. If I were to calculate...
Do you know how single/double convector relates to Type 21 or Type 22? Does that relate to SC and DC respectively - sounds feasible?
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Degrees of Separation
Latest Posts
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RE: Starting Our Heat Pump Journey: 1962 build 3 bed detached house
@ian-s I can understand where you are coming from bu...
By JamesPa , 20 minutes ago
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RE: Wood burner with ASHP - direct air?
Yes I get that but regs were not my main concern. I g...
By BlizzardGreen , 30 minutes ago
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Before I had my Vaillant heatpump installed, I made sur...
By Batpred , 2 hours ago
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RE: Who's your electricity provider and what's your tariff?
@toodles I invested on Miele a pair of frodge frozor wh...
By AgentGeorge , 15 hours ago
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RE: Flushing system, cleaning and inhibitor
Flush and fill all complete. Octopus kindly gave us a...
By Old_Scientist , 15 hours ago
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
I think I saw a diagram for an exhaust air dhw tank wit...
By JamesPa , 2 days ago
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RE: Indevolt Batteries UK Support & Info Thread
Thanks, however that's an answer to a subtly different ...
By JamesPa , 4 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@toodles Such elegant symmetry. look at my lumpy bag of...
By Papahuhu , 5 days ago
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RE: PV and battery long payback - sense check query
Quite probably not, but you can get a 32A relay and a S...
By JamesPa , 5 days ago
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I don't notice mine defrosting, and most of the time Im...
By JamesPa , 6 days ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
Kind of you, @calumm, but it was @f1p who did the heavy...
By Majordennisbloodnok , 6 days ago
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RE: Electricity price predictions
2. As EV ownershp increases it'll certainly increase de...
By EtchedPixels , 6 days ago
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