Last seen: Oct 1, 2025
@gshpwoes Cold radiators, you more than likely have a flow problem, unfortunately it sounds like the system is micro-zoned and more than likely has a ...
@JamesPa, I wrote the original text and did the original analysis to show that high temperature heat pumps are not the panacea they are portrayed to b...
@bontwoody mmmm theory is a wonderful thing, but rarely follows through in to practice. You are only looking at a very small piece of the puzzle. Unli...
@bontwoody it is easy to get SPF's above 5 in ANY house, including old draughty solid stone buildings, I have hundreds to prove it. Get the design and...
@bontwoody and @william1066 No problem if you are happy with an SCOP of 3 instead of 5 or 6.
@bontwoody I agree, but the fundamentals of design and sizing for best performance requires experience and knowledge. A DIY installation, may work bet...
@crimson You do not stand a chance of getting any reasonable performance with your current system design, regardless of heat pump installed. You have ...
@alan22 PM me and I will see what I can do, a lot of information needs to be gathered for a satisfactory outcome, it is not as simple as just throwing...
@crimson The fault is at Grants and MCS's door, the installer was, I presume, trained by them, I think you have every right to legally demand that you...
@windyinsancreed At least 1.2 to 1.5 meters and straight pipes at least 1meter apart, the deeper they are, the less effect the weather has and the bet...
@crimson Hi, Been dragged in by @editor 😀 I have not had time to read the whole thread, but, from what I can see, it is a typical Grant d...
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RE: Fan unit Making terrible noise HELP!!
@gutoffowc Oh no, sorry to hear that, are you in the Ke...
By ASHP-BOBBA , 35 minutes ago
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RE: Ideal HP290 14kW ASHP - how to optimise
Thanks everyone so much for your replies and help. Last...
By cmartinbwmba , 38 minutes ago
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RE: Recommended home battery inverters + regulatory matters - help requested
Reposted query from another thread requested by @transp...
By Sheriff Fatman , 58 minutes ago
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RE: Sunsynk Whole House Backup Issue
@sheriff-fatman - could you please re-post that in the ...
By Transparent , 1 hour ago
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RE: Advice for a novice on Mitsubishi Ecodan 6kW
@robs Just to quickly fill in some of the gaps in the r...
By Sheriff Fatman , 2 hours ago
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RE: Running my new Nibe ASHP efficiently
I didn't. I spent a while manually messing around with ...
By jamieheatpumpnew , 3 hours ago
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Hi, I think I’m having some issues with my Ecodan as...
By Patch321 , 3 hours ago
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RE: I’m glad the cold spell is over!
I comparison with the 65kWh used above yesterday was on...
By Judith , 3 hours ago
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RE: New Daikin 11kW Altherma 3M install - is it working as it should?
@synthbuilder Further to the above…‘What a difference t...
By Toodles , 3 hours ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
I should think so, I thought that pretty much universal...
By JamesPa , 4 hours ago
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RE: Setback savings - fact or fiction?
I'm also inclined to look into how a defrost is actuall...
By cathodeRay , 4 hours ago
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MLCP (Multi-Layer Composite Pipe) for ASHP
@editor nope. The info you reported was sufficient for ...
By iotum , 14 hours ago
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RE: Experience - New Build / Complete New Heating System
@vincro I would be surprised if it is much above 5 to 6...
By ASHP-BOBBA , 16 hours ago
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RE: Post-Traumatic Heat Pump Stress Disorder
Yes bang on and maybe I can illustrate that by way of e...
By iotum , 18 hours ago
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RE: Replacing my 18 month old Hitachi Yutaki ASHP
A big thank you to @jamespa for all his efforts online ...
By trebor12345 , 21 hours ago
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RE: GSHP WOES! Midland based engineer recommendations?
@editor It is indeed for servicing. My current service ...
By Morgan , 22 hours ago
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RE: Speedcomfort radiator fans
In case it helps Andrew Kuhne on openenergy monitor has...
By JamesPa , 23 hours ago


