Joining the Renewable Heating Hub forums is completely free and only takes a minute. By registering you’ll be able to ask questions, join discussions, follow topics you’re interested in, bookmark useful threads and receive notifications when someone replies. Non-registered members also do not have access to our AI features. When choosing your username, please note that it cannot be changed later, so we recommend avoiding brand or product names. Before registering, please take a moment to read the Forum Rules & Terms of Use so we can keep the community helpful, respectful and informative for everyone. Thanks for joining!
For the majority of the general public in the UK, heat pumps represent a big change. Despite the fact the technology's been around for quite a while, they feel like something "new-fangled", and generally speaking people don't like change. The Cosy 6 looks different even to the eyes of people who're already used to living with a heat pump, so there's a huge amount of subjective evaluation going on and that's entirely natural.
So in taking a look at this video and the product it's discussing, we've an awful lot of unknowns centring around two basic questions:
- How well does it work? All the technicalities and objective data to understand how effectively it performs its primary task
- Could I live with it? All the subjective questions around aesthetics, perceived acoustics, acceptability to home occupants and close neighbours, judgements about sustainability of manufacture and operation and so forth.
Human nature being what it is, plenty of people's interpretations of the objective data will be biased by their subjective opinions - not everyone, of course, but many and often without realising it. That's why, I think, @wreckguru's review will be particularly well received here since the insights will help cut through preconceptions and uncover more important questions to ask at the same time.
That's not an attempt to put you under pressure, btw @wreckguru; we're still only looking forward to a plain honest summary of your installation as you see it. However, I suspect it'll be devoured rather more readily and by far more people than anything I could write about my (yet another) Ecodan.
105 m2 bungalow in South East England
Mitsubishi Ecodan 8.5 kW air source heat pump
18 x 360W solar panels
1 x 6 kW GroWatt battery and SPH5000 inverter
1 x Myenergi Zappi
1 x VW ID3
Raised beds for home-grown veg and chickens for eggs
"Semper in excretia; sumus solum profundum variat"
Plastic is a wonderful material used in the right products. I believe that I’ve read that plastic buckets have saved countless lives in Africa and other developing countries since they allow water to be carried cleanly. Plastic is easily sterilised using bleach for example whereas metal or sodden buckets can’t be. It’s just single use plastic for trivial items (plastic straws, carrier bags etc) which are not recycled which gives it a poor image environmentally.
I’m not sure what percentage of steel is made by green processes rather than the traditional coking coal and I can’t find the right reference. This article says 70% by the established process which emits large levels of carbon https://foresightmedia.com/historie/swp229602-ae7KOqYq-e7d68
But if a product looks ugly it often doesn’t catch on unless it becomes very fashionable. I couldn’t believe Crocs (an ugly plastic sandal) were worn by the beautiful people with designer dresses until I saw it.
2kW + Growatt & 4kW +Sunnyboy PV on south-facing roof Solar thermal. 9.5kWh Givenergy battery with AC3. MVHR. Vaillant 7kW ASHP (very pleased with SCOP >4) open system operating on WC
This is a better article to understand the carbon cost of steel https://www.sustainabilitybynumbers.com/p/green-steel-goodall?utm_source=publication-search
2kW + Growatt & 4kW +Sunnyboy PV on south-facing roof Solar thermal. 9.5kWh Givenergy battery with AC3. MVHR. Vaillant 7kW ASHP (very pleased with SCOP >4) open system operating on WC
The simplest, @wreckguru, is to write the article as a separate document and pass it on to @editor. That way he and you can discuss the most appropriate home for it, which might be wider than just the forum itself.
105 m2 bungalow in South East England
Mitsubishi Ecodan 8.5 kW air source heat pump
18 x 360W solar panels
1 x 6 kW GroWatt battery and SPH5000 inverter
1 x Myenergi Zappi
1 x VW ID3
Raised beds for home-grown veg and chickens for eggs
"Semper in excretia; sumus solum profundum variat"
gotcha, ta.
I will do that - it won't be ready until my snags are done - which allegedly is tomorrow!
Posted by: @majordennisbloodnokThe simplest, @wreckguru, is to write the article as a separate document and pass it on to @editor. That way he and you can discuss the most appropriate home for it, which might be wider than just the forum itself.
Not a problem, @wreckguru, and no need to rush other than plenty of people here eager to hear your experiences.
If you want some ideas on how others have written their articles, take a look at ASHPs – Renewable Heating Hub. I have no doubt yours will be a very welcome addition to the library.
105 m2 bungalow in South East England
Mitsubishi Ecodan 8.5 kW air source heat pump
18 x 360W solar panels
1 x 6 kW GroWatt battery and SPH5000 inverter
1 x Myenergi Zappi
1 x VW ID3
Raised beds for home-grown veg and chickens for eggs
"Semper in excretia; sumus solum profundum variat"
That is beyond belief. It’s looks like he has put a council bin outside his house! Neighbours must be fuming.
@marvinator80 It could also be confused with a utility company’s connections cabinet! But as mentioned before, an open invitation for… ahem… waste material. (Ours is safely tucked ‘round the back’ M’lud) Toodles.
Toodles, heats his home with cold draughts and cooks food with magnets.
@marvinator80 the fanboi's sighting is a bit odd, but I doubt his neighbours care. It will likely be full of fag ends and plastic by spring. Mine in in the back garden. My pipe run is also shorter - from pump to diverter it's about 16" rather than 16m, lol.
@wreckguru In one of his presentations where he is considering the siting of his pump, he dismisses his back garden completely as this would clutter the space and he needs the whole garden space for his offspring to play!😵💫 Regards, Toodles.
Toodles, heats his home with cold draughts and cooks food with magnets.
Posted by: @toodles…
But as mentioned before, an open invitation for… ahem… waste material.
…
Given that’s an exit vent, not an intake, that could end up with some hugely amusing results.
105 m2 bungalow in South East England
Mitsubishi Ecodan 8.5 kW air source heat pump
18 x 360W solar panels
1 x 6 kW GroWatt battery and SPH5000 inverter
1 x Myenergi Zappi
1 x VW ID3
Raised beds for home-grown veg and chickens for eggs
"Semper in excretia; sumus solum profundum variat"
- 26 Forums
- 2,622 Topics
- 61.2 K Posts
- 942 Online
- 7,003 Members
Join Us!
Worth Watching
Latest Posts
-
RE: Mitsubishi ecodan settings
Ah, I should have been clear, I do not mean flow temp b...
By Batpred , 13 minutes ago
-
RE: Mitsubishi Ecodan not good enough ?
We are considering an Ecodan R290 ASHP, they seem to be...
By Batpred , 16 minutes ago
-
RE: Mitsubishi Ecodan FTC6, Evohome & Economy 7. Getting Two Zones to Work Together
This is what we are trying to avoid if we go Ecodan, mu...
By Batpred , 26 minutes ago
-
RE: Indevolt Batteries UK Support & Info Thread
Indeed. Without that, it is just loose marketing.. &...
By Batpred , 31 minutes ago
-
Great points, I agree it is overused. It is also a grea...
By Batpred , 35 minutes ago
-
RE: GSHP Kaput After 16 Years: New Compressor or Switch to ASHP? Advice Welcome
On old (non inverter) compressors there’s sometimes a ‘...
By robl , 17 hours ago
-
RE: Brown Oily Residue Blocking Air Vent and Weeping Relief Valve... Anyone Seen This?
I'll take a photo of it if and when I next encounter it...
By seoras , 20 hours ago
-
RE: Heat Pump Pipe Sizing Question
@trebor12345rebor12345 I got the circulator curves from...
By bobflux , 24 hours ago
-
RE: Jokes and fun posts about heat pumps and renewables
That particular Tracking system gets updated as soon as...
By Transparent , 1 day ago
-
RE: Octopus Cosy Heat Pump Owners & Discussion Thread
@editor It's available here -
By HarrisonC , 2 days ago
-
@painter26 i am in Lightwater and midea trained. Sounds...
By Wizard , 2 days ago
-
RE: Renewables & Heat Pumps in the News
@jamespa, for all I know they did have the coupling and...
By Mars , 2 days ago
-
@andrewj ... well, clearing gutters is a worthwhile ann...
By colinc , 2 days ago
-
RE: Anyone concerned about GivEnergy?
Here is the latest communication from GivEnergy regardi...
By txmartyn , 2 days ago
-
@editor I too had a long list of questions, some of ...
By Bash , 2 days ago
-
RE: Tell us about your Solar (PV) setup
3.84kWp of solar on our main South-East facing roof, in...
By Gmuzz , 2 days ago
-
RE: Vaillant arotherm plus heat pump frost protection
Yes, typically as close to the heat pump as possible. ...
By JamesPa , 2 days ago
-
RE: Our 10 year old Grant heat pump failed
Back in the 70’s and through the eighties, one of my re...
By Toodles , 3 days ago
-
RE: Share Your Experiences with Heat Pump Manufacturer Support
@seoras Sorry to hear that. I found Vaillant very help...
By JamesPa , 4 days ago
-
The Watchdog That Watched and Waited
On 9 January 2026, Consumer Energy Solutions collapsed ...
By Mars , 4 days ago
-
RE: Valliant Heat Pump Settings
Thats arguably a sign of a good installer - they unders...
By JamesPa , 4 days ago
-
RE: Electricity price predictions
Well, we have so many cases where rain water mixes with...
By Batpred , 4 days ago
-
RE: Two heating zones to one zone
@profzarkov They arent obviously wrong, but the only...
By JamesPa , 4 days ago


