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Last seen: Nov 13, 2026
Is that not just indicating that the primary pump has stopped momentarily while the unit defrosts using the hot refrigerant gas?
"I think it's highly likely mitsubishi don't switch off the water pump because the water is the source of the energy." So the official Mitsubishi vi...
Well according to Mitsubishi's technician in the video it is the hot refrigerant gas being reversed via a reversing valve and expansion chamber. No n...
This whole "hot water from the primary is used in the defrost" is confusing me. Unless it is not general across all makes the Ecodan reverses the flo...
2019 180sqm timber frame 14kW 300l DHW 16 new rads K2 and K3, new delivery pipework, new electrical consumer unit £12,200 less RHI (Scot) £1...
It is pointless adding EWI to a timber framed house with external block rainscreen. The movement of air around the timber frame inside of the block ou...
In draughty NE Scotland the monthly average temperatures for 2023/2024 Nov 23 5.2C, Dec 23 4.5C, Jan 24 3.2C, Feb 24 5C = 4.4C 2024/2025 Nov 24 ...
Can we also assume that I don't think tomorrow's announcement is anything to get too excited or worried about. doesn't apply to those in the po...
In 2023 European gas imports were Russia - 15% and USA - 19% (mostly in LNG). I find it slightly misleading to frame the supply as you have. I am not ...
I have used a Bresser 7 for 4 years. Very impressed with only one malfunction. The rain gauge stopped giving sensible output which turned out to b...
I have an Ecodan with the Mitsubishi maintenance package and it is a condition of the annual maintenance agreement that glycol is used in the system. ...
180m2 leaky timber frame 4 bedroom house on exposed and elevated north east Scotland. 14kW Ecodan using auto adapt and 300 ltr DHW tank. Jan 2023 ...
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Degrees of Separation
Latest Posts
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I second @editor 's advice to not change too many setti...
By Batpred , 33 minutes ago
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RE: Should I change my cylinder when changing from a gas boiler to a heat pump.
@david-2 Firstly I should say that I did change my c...
By JamesPa , 2 hours ago
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RE: Heat Geek Zero Disrupt: Are We Sleepwalking Into Another Race to the Bottom?
The Heat Geek survey and design process continues to ge...
By L8Again , 3 hours ago
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RE: Plug and play solar. Thoughts?
Impressions so far from the one I've installed are that...
By EtchedPixels , 13 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
@editor And as an occasional contributor, may I say wel...
By Toodles , 18 hours ago
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RE: Should Households Who Can Afford It Pay More for Energy to Help Those Who Can't?
They don't have to try. Our entire system is d...
By EtchedPixels , 18 hours ago
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RE: Why don't people choose heat pumps?
Fair enough. I guess I was thinking of pipes that run ...
By JamesPa , 19 hours ago
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RE: How Can I Prove Coal Was My Main Heating Source Without Receipts?
Got excepted for the grant now so thanks for the replie...
By Chilli304 , 23 hours ago
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Daikin Altherma 3 R F+W, room thermostat control, weath...
By JanHarley , 23 hours ago
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RE: Buffer tank on a 2 x 14kw Ecodan system
Pretty much as I had guessed in my crude scaling from m...
By JamesPa , 1 day ago
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RE: Help me keep the faith with my air source heat pump installation
Well you have a vibration generator running at some fre...
By bobflux , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
@downfield Thats a decent rate, I’m shocked they hadn...
By Papahuhu , 3 days ago
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RE: Adventures in heat loss calculations
@toodles thanks! So as suspected, around a doubling of ...
By SusannaSaunders , 3 days ago
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