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Last seen: Feb 23, 2026
Sorry to bounce your thread. To put to bed some concerns that I had about R290 heat pump protected zones; 10mm PLEX piping etc, I agreed to a HG Min D...
@jamespa As far as my property is concerned, the HG calculator is broken. I recall when I last looked at it 2 or so so years ago, my property defaulte...
@deltona I just wonder how many HG surveys end up with a discussion about the need for a new HW cylinder? My HG estimate for a minimal disruption inst...
@ashp-bobba Thanks. I appreciate your helpful comments.
@editor1 Thanks for your view on this offer. On the face of it, it is very attractive. The initial estimate comes in low and then I guess the fun sta...
I met with a local Stiebel Eltron HP installer a year ago. He quoted me £10K for just a HP and cylinder, and he wanted me to do the heat loss survey. ...
@ashp-bobba I can well see the argument for moving an air brick to end up with a compliant R290 installation; however, my reading of Building Regulati...
Just to demonstrate how silly this whole HP R290 gas safety debate is, my Samsung R290 heat pump tumble dryer is happily sitting underneath my gas boi...
Țhanks @johnnyb. All my air bricks are in the 1.5to 2M category. My Grandson’s partner is a Local Authority Buildings Inspector so I will have a chat ...
I am completely out of my depth here as I am sure you can tell. This is what a search about R290 reveals: R290 (propane) is a natural hydrocarbo...
Wow - I seem to have wandered into a minefield here. It would seem that the industry is as confused as I am! There is a further consideration. R32-g...
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The corrosion problem was never resolved. I filed a law...
By phowardstutterheim , 54 minutes ago
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RE: Aerotherm 12+12kw cascade huge power utilisation
This is spot on. For all of MCS’s shortcomings, insta...
By Mars , 2 hours ago
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@cathoderay I agree the baseline set is tricky and I ha...
By Judith , 2 hours ago
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RE: Heat pump Surge protection
I’d love to get your input here @transparent… this is a...
By Mars , 3 hours ago
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RE: NIBE Heat Pump Warranty: What's an Adequate Engineer Attendance Time?
@hughmark, great to hear. Fingers crossed that it’s sor...
By Mars , 3 hours ago
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RE: Daikin high temperature heat pump
I’ll check in with Daikin to see if they can help answe...
By Mars , 3 hours ago
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RE: Samsung Gen 7 16kW Integrated unit Modbus monitoring
@johnnyb HI,I have an integrated unit with all componen...
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RE: Solar Power Output – Let’s Compare Generation Figures
@papahuhu Ironical isn’t it? The last few days, the ‘Ag...
By Toodles , 7 hours ago
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RE: Setback savings - fact or fiction?
I answered that days back, I even provided a summary of...
By RobS , 7 hours ago
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RE: If a heat pump can only heat DHW to 50C then what? Issue with 18KW Heliotherm heat pump
I must say that this install is sounding more and more ...
By Mars , 10 hours ago
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RE: Who's your electricity provider and what's your tariff?
@chandykris Thanks, that’s a fair point and I agree th...
By Eliuccio , 1 day ago
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RE: The law of unintended consequences....
Oh Thank you Major, I was just beginning to wonder wher...
By Toodles , 2 days ago
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RE: Forum updates, announcements & issues
I know that the notifications are being delivered now w...
By Mars , 2 days ago
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RE: Advice needed after a successful "leftfield" experiment.....
@pauli I have sent a direct message with the financial ...
By ChandyKris , 2 days ago
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RE: Octopus Cosy 12 Heat Pump Regret: Incredibly Loud, Poor Heating & Constant Hum - Help!
Does it disappear when the heat pump is off? What abou...
By JamesPa , 3 days ago
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RE: Fitting heat pump plumbing and pipes in advance?
Great tips, thanks. The PEX/Al/PEX option sounds much m...
By Jonatan , 3 days ago
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RE: Struggling to get CoP above 3 with 6 kw Ecodan ASHP
Those control valves on the UFH manifold could be an is...
By Travellingwave , 3 days ago
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RE: Daikin Altherma 3 LT compressor longevity question
Up to a point yes. However every heat pump (and every ...
By JamesPa , 3 days ago
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RE: New Build ASHP Defects - Looking for Advice, Support & Shared Experiences
Is that a single pair only? If so it may be part if th...
By JamesPa , 3 days ago
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@batpred, you’re quite right; it does work well. I don’...
By Majordennisbloodnok , 3 days ago
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RE: Ecodan Cylinder Possible Weeping Around Thermostat Port
Update: Mitsubishi sent an engineer around. It was li...
By Gruff2001 , 3 days ago
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RE: A Smarter Smart Controller from Homely?
@benson Agreed. I believe the COP gains with homely, i...
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How to Find All Your Posts and Topics on the Forum – A Quick Guide
If you’ve ever posted something on the forum and then s...
By Mars , 4 days ago


