Last seen: Oct 30, 2025
@jamespa I agree, I have the installer visiting tomorrow. Unfortunately Mitsubishi will not engage with me and insist that they deal with the installe...
@sheriff-fatman Thank you. Like you I am not chasing a particular COP, I am using COP to demonstrate the poor efficiency and hence the high cost. I ha...
@dgclimatecontrol I only have 1 cylinder and I can confirm that the Ecodan is set to standard, which I understand means that the heat pump alone heats...
@dgclimatecontrol I am on an Octopus Intelligent Go Tariff, so I tend to heat my water when that starts and then heat the house for the remaining dura...
@jamespa Thank you, just need to get it fixed!
Thank you for the responses. 3.4kW is in line with calculations and data that I collected last winter before having the heat pump fitted. I don’t ...
I am using my Powervault electricity monitoring App to monitor the electrical power, and I have calculated the heat transferred from the heat pump usi...
@grahamf It is not cycling, it ran constantly for 5 hours and then only dipped by 2 or 3 degrees for 10minutes. See attached report
Mitsubishi Ecodan R290 10kW
Latest Posts
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I don't read speculation on Facebook, but contracts wit...
By JamesPa , 1 minute ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
Last night I set the schedule to be 25c 24/7, a temp it...
By AndrewJ , 14 minutes ago
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RE: New Fogstar 15.5kWh upright solution
@batpred I think you probably got the wrong end of the ...
By swwils , 9 hours ago
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RE: Renewables & Heat Pumps in the News
I was asked if I was happy before I was even issued the...
By swwils , 10 hours ago
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@transparent @old_scientist Quick update, I submitted...
By Batpred , 13 hours ago
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RE: Grant 13kW Aerona3 - issues getting zones to temp
Lol. I know they CAN be calibrated, it’s just ...
By Crimson , 13 hours ago
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RE: UFH downstairs and radiators upstairs balancing question
Yes thats true, but that cant happen unless the room te...
By JamesPa , 14 hours ago
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@jamespa thanks appreciate the comments. Simon
By simonwig , 14 hours ago
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RE: Electricity price predictions
@transparent There have been a lot more app...
By Batpred , 14 hours ago
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Do Heat Pumps need to start up at Full Power?
When our heat pump starts up, (Daikin EDLA08 8 kW Monob...
By Toodles , 15 hours ago
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RE: Heat Pumps Without Grants: Would You Have Installed One & Will You Now?
They could, but there are serious political ramificatio...
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
@colinc good luck with your project! UFH is the absolut...
By Judith , 21 hours ago
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RE: Installer Fitted 9kW Instead of 11kW Heat Pump and Changed MCS Paperwork - What do I do?
@transparent, ooh, I'm going to go through the Retrofit...
By Mars , 1 day ago
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RE: Havenwise App Help & Forum Support – Get the Most from Your Heat Pump
@hcas Just wondering if/where Ideal might be on your de...
By simonwig , 2 days ago
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@judith I haven't noticed any noise myself yet, nor my ...
By Eliuccio , 3 days ago
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RE: Ecodan ASHP Low COP and Unstable Compressor Frequency
Thanks for the reply and the welcome ! Locat...
By lukewarmbath , 3 days ago
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RE: Bosch CS5800i 5kW - Experience So Far
@ectoplasmosis Buderus is a subsidiary of the Bosch Gro...
By Steelbadger , 3 days ago
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RE: Confusion over Octopus Tariffs
@agentgeorge I can’t recall when and the details but Co...
By Toodles , 3 days ago
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RE: Who's your electricity provider and what's your tariff?
@technogeek Yep, the same here. Toodles.
By Toodles , 3 days ago
