Last seen: Jun 27, 2025
Blimey, I hope you aren’t in any way involved with accounting, because your maths skills are shocking 🤣
@huwsy you should have looked at daikin for this system, their vrf technology is better suited to running different rooms at different temperatures.
Adam Chapman of heatgeek is based around Guildford, he should be able to advise on any local engineers who are competent.
using the look inside feature, that one appears to be GH’s first book…
Don’t pay them the balance, run them off the job, find someone else to fix this mess. They seem like proper cowboys these ones. You could find any...
Another option is to pay for @heacol to consult on the failings of this install, get him to write a fault report and get the installers to act on his ...
@parmstar you’ll end up having to pay for a decent gas boiler install and then claim the costs back through the small claims court, my prediction… not...
If you want to improve the efficiency you should remove any hydraulic separation between the ashp and the heating circuit, and make sure that all exte...
If the rads are oversized for the heat loss at the design temp of 50, and you’re running it at 55 and the target room temperature hasn’t been met then...
@parmstar I was thinking the backup immersion inside the ecodan (if they have them, I thought they did) You’re running it at 55 now then and the rad...
Mitsubishi won’t help you…. What was the design flow temperature for this retrofit? That’s the key. And yes, it will run continuously when it’s -6 o...
@oswiu 6.56kW continuous house usage for 14 days straight, at the backstop rate… 3kW into the heat pump and a 3kW backup immersion running too? Or...
Latest Posts
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RE: External pipework insulation
Have a look at this previous post where I talked about ...
By Transparent , 3 hours ago
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RE: Controlling Daikin Altherma via P1P2 and Home Assistant
@majordennisbloodnok That’s correct. I can’t find anywh...
By weoleyric , 5 hours ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@andrewj yeah we recreated it. Engineer seemed to think...
By swwils , 5 hours ago
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RE: Free Ecoheat Heat Pump Install
This is an interesting way of looking at it, and I can ...
By Mars , 8 hours ago
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RE: Configuring third party dongle for Ecodan local control
That's a good spot and a valuable insight, @sheriff-fat...
By Majordennisbloodnok , 8 hours ago
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RE: Are We Sleepwalking Into Another Race to the Bottom?
@majordennisbloodnok And did ‘Honey’ order it for you? ...
By Toodles , 9 hours ago
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RE: Setback savings - fact or fiction?
@robs — thanks again for your detailed comments. Some r...
By cathodeRay , 22 hours ago
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RE: A Smarter Smart Controller from Homely?
@papahuhu I hope you get a swift resolution. Regards, T...
By Toodles , 1 day ago
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RE: Poll for Time of Use, tariffs, technology
That’s fine by me too Major, I feel it is a sad reflect...
By Toodles , 1 day ago
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Bingo. Sometimes a judiciously placed size 10 bovver bo...
By Majordennisbloodnok , 1 day ago
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RE: Mitsubishi Ecodan 11.2kW heat pump with low COP
@ciocoiu-alexandru I can't provide the same level of di...
By Sheriff Fatman , 1 day ago
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The three technical issues I'm considering are: BMS...
By Transparent , 1 day ago
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RE: LiFePO4 lithium battery fires and explosions
@transparent Your post may fit better in th...
By Batpred , 1 day ago
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RE: British Gas vs Octopus Energy vs Heat Geek vs EDF vs Aira vs OVO vs EON.Next vs Boxt
@jamespawhite, if you could be bothered, you could also...
By Mars , 1 day ago
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RE: Commencing on an ASHP Installation Process
I've got a bit of time to draft something today, so the...
By Sheriff Fatman , 2 days ago
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RE: Help with heat pump sizing
@amin I dont think materially relative to t...
By JamesPa , 2 days ago
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@majordennisbloodnok I have decided to take the plunge....
By TechnoGeek , 2 days ago
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RE: Different dT on each radiator?
I cant sorry. Its based on some calculations I did fro...
By JamesPa , 3 days ago
