Last seen: May 11, 2024
I think @technogeek is looking at a Vaillant which does, I believe, present a figure for the 'free' heat generated by the pump, so the 'paid-for' inpu...
If you really were getting a COP of 6 in Feb using WC mode then I'd be wondering if there is any benefit to changing to AA mode if it proves to be les...
Heat loss surveys are always going to be guesswork – even more so when you don't have evaluated materials and construction methods. Heat loss via air ...
@sunandair The Ecodans just do not have a meter-grade electricity monitoring capacity. There is an over-estimation of the daily consumption that is...
I think this notion of an 'optimal' install is something of a chimera. Every installation is different, and the majority of forum users have experienc...
The last picture is the flow meter, the other two are of the tank thermistor in its pocket. The flow and return thermistors should be on the main pipe...
I would look first at the placement of the thermistor measuring the flow temperature. I am going to assume you have an Ecodan cyclinder too, in which ...
Your house loses heat 24hrs a day – if you heat the house for only some of those hours then you have to replace the lost heat as well, which if you ha...
The surplus consumption appears even when the heating is off over the summer, sometimes weirdly high, ie 3kWh - and though there is proportional relat...
@davidalgarve My surplus power 'consumed' last year was around 630kWh, so around 1.75kWh every day. Some fairly random variation either side of this...
@jaket I think the flat bottom to the return temp shows how the slab temperature is preventing anymore heat being dropped from the circulation in t...
Firstly, a bit good news regarding COP - it’s not as bad as you might think! Mitsubishi reporting of electric consumption is known to be overdone – fo...
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RE: Additional Battery v Wind Turbine v Ripple
I should add, being an investment, the value of your in...
By Old_Scientist , 3 hours ago
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RE: Ecodan - flow rates, sensors, settings
Achieving an accurate flow measurement is probably the ...
By Derek M , 7 hours ago
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RE: Ecodan ASHP - How to optimise my set up?
Again, thank you for another thorough post, @derek-m - ...
By rhh2348 , 8 hours ago
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RE: Delivering a smart and secure electricity system: government consultation
@Transparent.Now that I am represented by a new MP I th...
By IanMK13 , 11 hours ago
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RE: Vaillant aroTHERM plus not level or flat - what base is best under an external unit?
Similar thread here
By Johnmo , 11 hours ago
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RE: VDI 2035 heating water specification
Been looking and it seems a good little project. Ever...
By Johnmo , 1 day ago
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RE: Do I accept an ASHP and Solar Panel retrofit under the HUG 2 scheme?
Will do. I'm currently waiting for another survey / vis...
By dssr , 2 days ago
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The company that did the borehole were expecting us to ...
By Johnmo , 2 days ago
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RE: The Misquote That Ruined the Heating Industry
@abernyte manufacturer training is pretty average. They...
By Mars , 2 days ago
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RE: ECO4 Scheme and EPC ratings
@mellow Thanks. Given there is a scheme requirement to ...
By Old_Scientist , 3 days ago
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RE: Do I just go with the lowest quote for my heat pump?
@jancold To me its a no-brainer then, a max 40C flow te...
By bontwoody , 3 days ago
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RE: Heat Pump Books Beginners – Bodge Buster & From Zero To Heat Pump Hero
@editor Presumably he had some good weather Compensatio...
By Toodles , 4 days ago
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RE: New Vaillant 7kW aroTherm ASHP or oil boiler dilemma/decision??
Storage capacity really is dependent on storage tempera...
By Johnmo , 4 days ago
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RE: HP Cycling, Expected or Undesirable
Just a little update. I ordered a longer shielded twin ...
By bontwoody , 4 days ago
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RE: Domestic hot water timer doing crazy things on my Grant Aerona3 10kW air source heat pump
Thanks @allyfish for the pics and info. Spoke to the in...
By Mellow , 4 days ago
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RE: Aira Heat Pump: Stylish Scandinavian Heating
It's been a busy day for calls and emails from Aira. I ...
By MikeH , 4 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
Hmm. A bit of a nuanced answer, methinks. As I've alr...
By Majordennisbloodnok , 4 days ago
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Ecodan - flow rates, sensors, settings
By rhh2348 9 hours ago
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Replacing mains water with well water
By Johnmo 2 days ago
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Additional Battery v Wind Turbine v Ripple
By bontwoody 2 days ago
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By jamespipe 3 days ago
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VDI 2035 heating water specification
By Johnmo 3 days ago
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Do I just go with the lowest quote for my heat pump?
By Jancold 5 days ago
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The Misquote That Ruined the Heating Industry
By Alec Morrow 5 days ago
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Battery Storage Wiring Gauge Question
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