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Last seen: Feb 4, 2025
I don’t think it is a specific legal requirement- other than to be safe. And there is a risk. My point is to take a more balanced view of risks. See...
R290 could be a HP show stopper for me. Seems to me we need some acceptable risk mitigations in some circumstances, other than just moving the unit fu...
Thank you. PfB is one of my go-to guys but I hadn’t seen that. My situation is quite similar to the one described: visual intrusion and noise limits a...
Follow-up: it occurs to me that the difference between flow and return temperatures is potentially a good indicator of whether you have enough radiato...
Interesting, thank you. The marine diesel analogy was on my mind. At the other end is a F1 engine needing to be rebuilt after every race. You would th...
Thank you. I definitely plan a full flush. The pipework is 40 years old, but we have been here since 1988 and never had problems eg with balancing or ...
@judith that method is great isn’t it! Except I have about 6 different consumption based estimates using that approach going back to 2016. And two spo...
Thank you, my hunch is it is just old school plumbing as you suggest. The logic of a backup/auxiliary is that it is additional when required- not a ta...
@johnr thanks, great minds etc. if the backup ends up being used too much, by fallback is to add an air to air with three internal units in the key ro...
@jamespa also: I assume the fan radiator has a lower water volume? We are looking at a simple one zone, no TRVs, no buffer/volumiser system, so need e...
thanks both. I think that calculation gives a lower heat output by about 20% than the HG rule of thumb table I linked above. As he is the one guarante...
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RE: Estimating true heat loss from twelve months of consumption data
I did, indeed, go with the 12 KW Vaillant unit.  ...
By ian33a , 1 hour ago
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
Whenever I see the word modelled I am reminded of the t...
By cathodeRay , 3 hours ago
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RE: Say hello and introduce yourself
@olivierm welcome to the forums and finding the right i...
By Mars , 4 hours ago
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RE: Tesla Powerwall (2) Calibration Cycles
I’ve had two calibration cycles in the last three month...
By Davesoa , 1 day ago
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RE: Is This Initial Free Quote From Octopus Trusted Partner Reasonable?
@editor That's a pity, but thank you for checking. I'l...
By ltron2 , 2 days ago
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My fifth heat pump book, Heat Pumps Explained, is out n...
By Mars , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
Just furkled Into the parameter menu. Found the master ...
By AgentGeorge , 2 days ago
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RE: Analysis of the economics of switching to an A2W ASHP compared to other heat sources
It's interesting that Norway with a much colder climate...
By Rob of York , 2 days ago
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RE: Review your electricity provider
Happy to add Scottish Power and the review 'dont touch ...
By JamesPa , 2 days ago
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RE: Is it just me, or does tradesperson timekeeping and communication drive you absolutely mad?
Yes, and I would suggest likely to get worse with more ...
By Batpred , 4 days ago
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RE: Electricity price predictions
This topic seems more suitable for this thread... I a...
By Batpred , 4 days ago
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RE: Why are ASHP installs so expensive?
It is clearly difficult to say, there must be cases whe...
By Batpred , 4 days ago
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RE: Panasonic Free Multi Z and Etherea Internal units.
@dgclimatecontrol Thank you for that information and re...
By Toodles , 4 days ago
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RE: My Kronoterm Adapt 0312 ASHP is finally installed!
@editor It was serendipitous really. Both my wife and I...
By tomasmcguinness , 4 days ago


