Last seen: Feb 2, 2026
Yes it will help, we use Mitsubishi Lossnay as the only units that work in conjunction with A2A ducted.
Hi I don't think you'd gain anything, the cost will be high even if DIY, you say 100mm cavity wall insulation, well that's great, its the first 25mm t...
@stevet I don't know who started the 'cycling' issue but its often not as people think. The off time is the important part, ramping up and down is nor...
@editor We come across about 4 leaks per year on sealed heat pump systems out of about 200 we see. This is why the service must be carried out by an F...
@downfield Washing the outside casing is your job but many engineers while cleaning the evaporator (essential) will also wipe over or spray the casing...
R290 minimum 1m away from drains and air bricks, .5m for widows/doors Electrical isolator same distance. Refrigerant volume in HPs from .8kg Tumble d...
@abam48 Did you go for this option and does it work well?
Oh Dear! that's appalling pipe work, should've been in trunking to start with, and ideally not go through the ground, such odd bends! The industrial b...
This has been delayed from what I believe to be this year originally. Doesn't affect anything at present until the cut off date and even then it makes...
There's many homes that would be quite a disruption for, looks good in photos and sounds good (and is, we've used them) but old skirting takes some re...
@old_scientist This does make the unit smaller as the box of tricks is indoors which is an option (online) and includes all but the pump. Midea howeve...
@polar-bear Sounds good apart from humidity which is too low for furniture and best health.
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RE: Need help maximising COP of 3.5kW Valiant Aerotherm heat pump
I get the question and what you are trying to do, I wil...
By JamesPa , 8 hours ago
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@ch_18 downfield is completely correct but you should i...
By Judith , 8 hours ago
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RE: Vaillant app under reporting flow temperature
No idea then, it's inconceivable that the app and live ...
By JamesPa , 9 hours ago
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RE: Setback savings - fact or fiction?
That too is true of course, but sometimes we also need ...
By cathodeRay , 10 hours ago
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RE: Rate the quality of your heat pump design and installation
Pretty awful had new heat pump dead on arrival followed...
By Keithb , 12 hours ago
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Importance of choosing right installer
I had issues with my Bosch 2000awf installation from da...
By Keithb , 12 hours ago
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RE: Hoped for improvements not being realised on my Mitsubishi heat pump
@smsm1 Thanks for your interest. At the time that I l...
By DavidAlgarve , 12 hours ago
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RE: The Hidden Secret to a Successful Heat Pump: Pipe Size Matters
Dear Mars, Thanks for writing this postI'm trying to g...
By Alex , 13 hours ago
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RE: Help…my NIBE heat pump has faulted again!
Thanks for the pictures, they tell quite a story but no...
By JamesPa , 13 hours ago
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@majordennisbloodnok Thanks very much, that's cleared t...
By Boycey , 14 hours ago
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RE: Brine pump error message on Thermia 8kW ground source heat pump system
@schanna I've DM'd you the details. Please click in the...
By Mars , 15 hours ago
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If you want to find your own activity on the forums, re...
By Mars , 15 hours ago
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RE: Warranty Repairs- An Un Eddi fying experience!
@bornagain Those staff redundancies were possibly linke...
By Toodles , 19 hours ago
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RE: Midea ASHP – how to set weather compensation
Happily reporting back after 2+ weeks of operation: com...
By MK4 , 19 hours ago
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RE: Help needed to adjust weather compensation on Vaillant air source heat pump
The micro climate effect is only going to matter if, as...
By JamesPa , 20 hours ago
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RE: Tell us about your Solar (PV) setup
@upnorthandpersonal thank you for sharing details of yo...
By Old_Scientist , 21 hours ago
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RE: Passiv Smart Thermostat - Help & Forum Support
@petch I’ve not come across anyone yet that’s used thes...
By Mars , 1 day ago
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RE: A Smarter Smart Controller from Homely?
Yep- already done that....nothing novel as such but som...
By benson , 2 days ago
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RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@swwils Similar here, though it has been very mild. I...
By KevH , 2 days ago
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RE: Home energy storage & battery register
@toodles thankfully we have a range of tariffs to meet ...
By TechnoGeek , 2 days ago
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RE: Heat Pump Servicing & Maintenance – Good Value or Rip-Off?
@editor thanks Mars! I'll contact them.
By kevinmc1970 , 2 days ago
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RE: Noisy Grant Aerona 3 13kW ASHP question
@heymikey thanks for the update and sorry to hear that ...
By Mars , 2 days ago
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RE: Heat loss calculations and how they work in conjunction with heat pump sizing
@jamiejones85mespa your comments are spot on with my th...
By AgentGeorge , 2 days ago
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RE: The good, the bad and the not that great – my heat pump installation
Must of knocked a load of crud through when they added ...
By Burtis , 2 days ago
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@mkz, yes I have other installers... can you please sen...
By Mars , 3 days ago


