Last seen: Feb 24, 2025
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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@potatoman No, the installation is exactly the same as...
By Heatgeek , 20 minutes ago
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RE: Yes, the "zoning with ASHP" topic again...
The biggest mistake in zoning is basing the zones on su...
By HarryRea , 1 hour ago
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RE: Battery sizing - How low can you go!
@bontwoody Hope this is legible
By ChandyKris , 3 hours ago
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RE: Commencing on an ASHP Installation Process
I had a telephone call with the senior designer at EDF ...
By Sheriff Fatman , 14 hours ago
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RE: Agile: average import cost vs other tariffs?
@old_scientist We are with SSEN and our G99 application...
By Toodles , 20 hours ago
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RE: Renewables & Heat Pumps in the News
@transparent Red Eléctrica will require data with gr...
By Lucia , 24 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
Yes. Storing the solar generation within the home is gr...
By Transparent , 1 day ago
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RE: ASHP Ecodan L9 error - No Heating but Hot Water
@phoenix15, @heacol cover your area… I’d strongly recom...
By Mars , 1 day ago
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RE: Warm weather and heat pumps.
@editor Oh nothing right now because $ needed for struc...
By Lucia , 2 days ago
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RE: Potentially more choice including air to air heat pump grants
@jeff Such documents are far too wordy for my ‘daily re...
By Toodles , 2 days ago
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RE: Getting the best out of a heat pump - is Homely a possible answer?
@grahaml I cannot agree that it is a small percentage o...
By benson , 3 days ago
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RE: Samsung Gen6 16kW tribulations
@emceed, can you please give us an update on your syste...
By Mars , 4 days ago
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What's the problem you are trying to solve. The answer...
By JamesPa , 6 days ago
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Good luck. For what it is worth my system was very def...
By JamesPa , 6 days ago
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RE: Massive Electricity Cost for Running My Air Source Heat Pump
I agree @mark-h The Building Regs are now very readable...
By Transparent , 7 days ago
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RE: Help me understand my Mitsubishi Ecodan system
@carpenterstation When changing settings in the ser...
By RobS , 7 days ago
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RE: Ecodan Legionella cycle - immersion heater problem
Thanks for letting us know @clockworks I admire your ...
By Transparent , 1 week ago
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RE: Revised version of MCS-020 (noise standards for heat pumps)
As you say this is no change, which I personally think ...
By JamesPa , 1 week ago