Last seen: Sep 19, 2025
It is of course a risk that ASHPs end up in landfill, just like refrigerators and cars which also have fluorinated gases in them. But the amount of g...
Agree, although in the UK, at least according to my understanding, this would have to be demountable via double check valves etc (assuming its effecti...
The principal reason that LLH reduces efficiency is if there is a temperature drop flow to flow across it (which there almost inevitably is unless it ...
The charge is specified, typically 1-3kW. Your view has always been my view, nice if you can get low GWP but, by comparison with the savings due to a...
The only practical downside (from a consumer point of view) of R290 appears to be its flammability and hence location constraints. Meanwhile we happi...
@hughf Is the second assertion (R290 = Less efficient) actually true? Here are extracts from the spec sheets for Mitsubishi R32 and Vaillant R290,...
I think the problem OP has is that some rooms get too hot while others remain cold. My assumption is that the solar gain doesn't happen every...
My initial reactions are this. I don't know where you are in the country but 14kW is quite high for 240sq m suggesting some insulation might hel...
According to heat geek 10mm is good for 1.1kW at DT 5. The heat geek figures are for copper I think, plastic will be a bit less (bit there again you...
Therein lies the problem. I would ask them questions about the system they insist on before paying for the survey. Or just tell them you won't accep...
I think I would go for the installer that doesn't want to Fit a unit that is far too big (I agree 12kW is well oversized, based on the very limi...
Correct It would be better to connect the radiator return to top right, leave the ASHP return bottom left, then plug the remaining two ports. Th...
Latest Posts
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Which temperature sensor for a Steibel buffer and Ecodan?
My installer configured our Ecodan 14kW system with a 1...
By downfield , 9 hours ago
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RE: Testing new controls/monitoring for Midea Clone ASHP
Thanks- interesting and useful observations and I did n...
By benson , 11 hours ago
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RE: Help me keep the faith with my air source heat pump installation
@jamespa yes I guess. But surely not everyone is buying...
By AdamK , 13 hours ago
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RE: Big Changes Coming to Our Heat Pump System
General Ignorance, the universal enemy in so many ways!
By JamesPa , 14 hours ago
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RE: Preparing for 2nd winter in new build house.
Yuch! So that's basically just an on/off control. I...
By Transparent , 16 hours ago
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Good day everyone. I'm new here and have a few question...
By Edin67 , 20 hours ago
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RE: Boxt Heat Pump Installation Experience
Welcome to the forums. Was there any formal in-person...
By Mars , 22 hours ago
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RE: Say hello and introduce yourself
@transparent Morning. Just put a lengthy post on the AS...
By sbm74 , 22 hours ago
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RE: MCS certificate SCOP vs real-world performance
That may be contributing to lower than expected SCOP. ...
By JamesPa , 1 day ago
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RE: Mitsu PAR-WT60R Wireless Controller - options
How it does it's job is something of a mystery although...
By Abernyte , 2 days ago
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RE: Powerwall 3 or Myenergi or something else?
Yes I was thinking of outdoor, IP65 batteries with buil...
By Temperature_Gradient , 2 days ago
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@jamespa Thanks. Yeah any adjustments Ive made at pr...
By cliffhanger , 2 days ago
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RE: How to choose Towel Rails for an ASHP
@rob-nezard yes absolutely. Here is the link and a pho...
By GrahamF , 4 days ago
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@mixergy Thanks for the update, I would appreciate some...
By bontwoody , 4 days ago
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RE: Is Your Broadband Router the Weak Link in Your High-Tech Home?
Unfortunately I'm not that well connected 😂 ...
By Scalextrix , 4 days ago
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RE: A Customer's Lessons Learnt from a Heat Pump Installation in a Large House
It is interesting to see what our new Grant Aerona 290 ...
By GrahamF , 4 days ago
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RE: Midea ASHP – how to set weather compensation
I noticed that too and thought the same thing, but then...
By cathodeRay , 5 days ago
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RE: Ya can’t win! It is S*d’s Law!
@old_scientist If IOF is still running next late spring...
By Toodles , 5 days ago
