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Last seen: Mar 12, 2026
@kev1964-irl At the outset just to say I am not a plumber or engineer so I'm on this site to learn! The discussions from the community of experts and ...
@cathoderay Thanks
@editor @kev1964-irl This discussion might be best had offline. Can you advise how we do this through the forum rather than swapping emails publicly? ...
@kev1964-irl Just seeing your post now. I'm also based in Ireland and have been through the process of solar (2021) and heat pump (2023). I too was in...
@editor @mikef For Comparison I have a Viessmann Vitocal 151-A which will have been installed 2 years next month. So far... Compressor Hours 5804 and ...
Just to add to the data collection.... East coast of Ireland. 185 m2 house - 100mm external insulation, 325mm loft insulation, 100mm underfloor insu...
For reference, I have a 10 kWh Viessmann 151-A installed almost exactly 1 year and am getting a SCOP of 4.7. Would be really interested to see how you...
@transparent Hope this is useful. (Note to self: clear weeds and paint gate!)
@transparent Having done some research on different HPs and manufacturers, I decided I wanted a Viessmann unit. However, the number of accredited inst...
Forum Handle: GC61 Manufacturer: Viessmann Model: Vitocal 151-A Type: ASHP Arrangement: Mono Area of Country: Ireland Home Type: 2-Storey...
Hi all, Gerry here. Located on the east coast of Ireland. I have a: . 4.2 kWh PV system (SE facing) . 40 kWh Nissan Leaf . newly-installed 10 k...
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The corrosion problem was never resolved. I filed a law...
By phowardstutterheim , 2 hours 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 , 3 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...
By antonical , 5 hours ago
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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 , 11 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...
By Papahuhu , 3 days ago
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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

