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Last seen: Aug 7, 2026
@fosterl2 I will send this thread to the tech guys at Mitsubishi tomorrow to see if they can provide technical insights.
Bang on. I usually take noise complaints with a pinch of salt for the very reason you've cited, but in this case there genuinely seems to be an issue,...
As an update to everyone, I've contacted Octopus Energy's Cosy Heat Pump Program Director to get an update on any potential fixes/resolutions. I'll sh...
@l2jad, honestly, nothing you’ve said sounds unreasonable. When something invades your home like this, especially at night, it cuts straight through a...
@livinggreen I haven’t. I’ll follow up with TJ this week to see if I can get an update. I assume you also have the Cosy 12?
@l2jad, welcome to the forums, although I’m genuinely sorry it’s under this kind of stress. What you’re describing doesn’t sound like normal “new s...
We’ve now had a few hundred thousand heat pumps installed in UK homes, and after years of reading posts on these forums, emails and YouTube comments, ...
This is such an excellent point, and very much the basis of my next video.
@jamespa I'm still very curious why the installer said "this is how it just is"! Quite the statement that given the kit they've fitted. I'm not sur...
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Latest Posts
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RE: Can I start an argument about buffer tanks please? 🙂
Is that such a problem with a 3-pipe buffer tank, where...
By Temperature_Gradient , 52 minutes ago
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RE: Heat pump running costs – what has actually worked for you?
I installed the air source heat pump in January 2026, i...
By bobflux , 1 hour ago
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RE: Has anyone seen this problem before? Huge anticycling times
Im now getting the exact same fault list after 2 years ...
By JamesPa , 4 hours ago
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RE: Grant Aerona Air to Water R290 6.5 kW - Quiet Mark and Silent Running
Thats all interesting. DHW on my Vailant seems to respe...
By JamesPa , 6 hours ago
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RE: Do I need to change the control unit when replacing my Ecodan Air Source Heat Pump
One of the other mods has just reminded me that @ashp-b...
By Majordennisbloodnok , 7 hours ago
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RE: Electricity price predictions
So a final update on Charge Pack, now I have nearly rea...
By bontwoody , 1 day ago
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RE: Indevolt Batteries UK Support & Info Thread
My ideal install would have my battery installed before...
By BlizzardGreen , 1 day ago
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RE: PV and battery long payback - sense check query
@old_scientist I have now drafted 2 replies - both have...
By DavidB , 2 days ago
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RE: Air source heat pump roll call – what heat pump brand and model do you have?
Forum Handle: adrian Manufacturer: Appliandirect.co....
By Adrian , 3 days ago
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RE: Acond heat pump failed after four years - diagnostic quote £940 plus VAT
@downfield Thank you Downfield. This sounds potenti...
By Mia , 3 days ago
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RE: Digest of UK Energy Statistics
@jeff Yes my brother in Oz told me of that charge year...
By Jancold , 3 days ago


