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Last seen: Dec 3, 2023
Why must it? Heat loss is proportional to the difference between indoor and outdoor temperatures. Heat loss Q depends on the thermal transmission va...
I voted "generally good" although it would have been "very pleased" were it not for a fault on the indoor unit which can't be blamed on the installer ...
Is that actually true though? See the other thread entitled "heat pump myths". The cooler a house is at any given time, the less heat it is losing to ...
I'm confused, aren't the room stats supposed to be turning the flow on and off, while the weather compensation controls how hot the flow is? It seem...
The other variable, which applies to me and I suspect quite a few other people, is variable electricity tariffs. My energy costs about 33% less overni...
I believe that is actually a COP of 3. The energy yield is the excess heat generated, on top of the electricity used. So you have produced (222+444) o...
My outdoor unit had similar damage to the fins - it looks like it's only very small areas and ours was similar - the bottom corner had obviously been ...
The room thermostat controls when the UFH calls for heat, and the weather compensation controls the flow temperature that the heat pump delivers. Is t...
I'm trying to work out the best way to run my ASHP with Economy 7. Our cheap tariff runs from 11.30pm to 6.30am. At the moment I have the thermostat s...
I would also add that having checked out the Bulb tariff for non Economy 7, the rate is only slightly lower than my existing tariff (34.2258p versus 3...
Hello, I posted this in the welcome thread so I wasn’t expecting to get my own thread 😀 Some more info: Electricity rates: night 23.9p, day 36.8p...
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Degrees of Separation
Latest Posts
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Couple of things: A2A do defrost, they sometimes do sta...
By ASHP-BOBBA , 2 minutes ago
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RE: Help me keep the faith with my air source heat pump installation
I didn't know about those, they look like good pieces o...
By JamesPa , 3 hours ago
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@mkz, that's very helpful. Even if Urban Plumber are no...
By Majordennisbloodnok , 3 hours ago
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RE: Several AC coupled batteries
That is a good point, a manufacturers can stop trading,...
By Batpred , 3 hours ago
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My first question is why bother with the auto balancin...
By JamesPa , 4 hours ago
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RE: Indevolt Batteries UK Support & Info Thread
Hi @hanno - good question. The range of hybrid invert...
By Transparent , 4 hours ago
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RE: GivEnergy inverter tripping due to over-voltage?
@transparent the inverter was installed in 2021 and afa...
By Tim441 , 4 hours ago
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I share the same experience as @majordennisbloodnok hav...
By Old_Scientist , 5 hours ago
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RE: Say hello and introduce yourself
I hope so, @toodles. It's not often that we see a situa...
By Majordennisbloodnok , 8 hours ago
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RE: Heat pump design review please: 5 kW Vaillant aroTHERM Plus heat pump
@jamespa many thanks, definitely i will give the pre...
By ragtime27 , 19 hours ago
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RE: Heat pump installation quotations
@jamespa I noticed that in the Heat Geek design consult...
By Batpred , 21 hours ago
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RE: Electricity price predictions
Good point, I do expect the bonus of putting my energy ...
By Batpred , 1 day ago
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RE: Daikin ESPAltherma and Home Assistant installation
@bash, something we haven't touched on already relates ...
By Majordennisbloodnok , 1 day ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Vaillant arotherm plus 12kW. Installed March 2025. Ex...
By Harebell , 2 days ago
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