
Last seen: Sep 25, 2025
No, you didn't misread, that is correct. Interestingly, the Midea kWh out is probably not dissimilar. The current lifetime energy out figure is 35,600...
Thanks for your pertinent questions. Answers, as best I can: It is outside, but the external pipe runs are short, perhaps 6ft flow and 6ft return an...
I agree that is what the Engineering databook shows (page 45, 9050W to confirm we're on the same page) but I am not sure what the max/norm/min rows re...
Here's a rather ugly chart from the data logger's software showing the kitchen room temp during the overnight setback to 16 degrees on the room stat 2...
Thank you all very much for your comments which I will reply to shortly. In the mean time, here is some data from the recent power cut, which by coinc...
You're right, I should have labelled the axis, I hoped the title was enough, and it allowed a slightly larger plot area. Yes, it is kWh/week. I w...
I like to imagine I get the distinction most of the time, but the use of power (kW) for heat loss and energy (kWh) for energy use does leave me easily...
No, as I said in the post, I applied a curve (distribution) derived from recent weekly readings to the annual oil use. Note that the first chart is en...
Interesting, I stupidly didn't do that calculation. My calculated heat loss, done for the heat pump installation, is around 12.3kW, but that is also a...
The Met Office WOW website I mentioned has that. You need to register to download the data, but it is free to do so (csv format). I do it once a month...
I certainly welcome any such attempt! I think it may be considered an interesting case, often it is the anomalies that lead to better understanding, s...
The heat energy used (energy in) is measured, and accurately (meter on the oil delivery tanker, external dedicated kWh meter for the heat pump). The h...
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RE: Help me keep the faith with my air source heat pump installation
@jamespa Here’s a pic of part of the pipes. They hav...
By AdamK , 6 hours ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Manufacturer: Vaillant Model: Arotherm Plus 7kW Typ...
By MatWin , 7 hours ago
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RE: Say hello and introduce yourself
Sounds interesting. According to the website the cap...
By JamesPa , 7 hours ago
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RE: Seal the Deal: Don't Let Your Heat Pump Leak Energy
We have a lot of work ahead to get this done properly. ...
By Mars , 8 hours ago
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RE: Do I just go with the lowest quote for my heat pump?
You are right It will depend on how its b...
By JamesPa , 9 hours ago
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RE: Which thermostat should I get (or do I need one?)
You need a plan first I think, it's really about wiring...
By JamesPa , 10 hours ago
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Samsung Gen 6 - Schedules not working
I think I may have done something silly, but havent bee...
By bontwoody , 12 hours ago
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RE: DNO export limit problems.
Ask DNO if its a load balancing on your phase of the su...
By AgentGeorge , 12 hours ago
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@papahuhu Sounds as though you need to speak to your in...
By Toodles , 14 hours ago
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RE: Flexi-Orb Heat Pump Scheme: A Game-Changer for the UK's Heat Pump Industry
Signed.
By Morgan , 15 hours ago
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I ‘did the math’ for Nov. to the end of April to be on ...
By Toodles , 15 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
@tasos automations on Home Assistant so if there is a p...
By benson , 17 hours ago
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RE: Sizing - Save me from my headache
Mitsi 8kW has a 6kW variable and 2kW fixed compressor s...
By JamesPa , 1 day ago
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@drei your proposed radiator design looks inadequate to...
By GrahamF , 2 days ago
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RE: Why does an ASHP provide a more comfortable environment than a gas boiler?
Actually, I think the issue is the different rate of he...
By AndrewJ , 2 days ago
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RE: 5 Star Service from Havenwise
That's why homes are spread across the three phases. ...
By Dan_Grey , 2 days ago
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RE: Heat Pump Installers: Competence, Illusion and the Hard Truth Homeowners Must Face
@editor like @jamespa, I had a list of test questions: ...
By GrahamF , 2 days ago
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RE: Do primaries need anti vibration clips?
@adamk @ashp-bobba The vast majority of the time my 7...
By JamesPa , 2 days ago
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RE: Which temperature sensor for a Steibel buffer and Ecodan?
@davidalgarve As advised above, its worth speaking to M...
By ASHP-BOBBA , 2 days ago