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...
Latest Posts
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RE: 300 Liter Tank - Do I have to heat it all?
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By Judith , 3 hours ago
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RE: Solar Power Output – Let’s Compare Generation Figures
We had an excellent four months (11/3 to 15/7) generati...
By JulianC , 11 hours ago
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You may well be right, @jamespa.
By Majordennisbloodnok , 15 hours ago
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RE: Is this just haze or something more?
I think the present somewhat cooler hazy days show the ...
By Judith , 16 hours ago
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RE: My misgivings about installing ASHP and solar panels via the ECO4 scheme...
All noted and accepted and as I say I am sorry that you...
By JamesPa , 19 hours ago
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I think it is very much me that is sitting outside the ...
By Grantmethestrength , 20 hours ago
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RE: Replacing Refrigerant on Mitsubishi Heat Pump
@davidalgarve It should just be recovered by both servi...
By dgclimatecontrol , 2 days ago
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RE: Who's your electricity provider and what's your tariff?
Aggregators have been recognised for many years, and it...
By Transparent , 2 days ago
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RE: Help me keep the faith with my air source heat pump installation
Great news I edited my previous post (probably af...
By JamesPa , 2 days ago
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RE: Double or Triple Glazed Windows?
@toodles Glad to hear things are progressing well for y...
By TRBob , 2 days ago
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How to waste energy (and time) playing with AI.
A friend of mine who subscribes to an AI service was ex...
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RE: Heat Pump Books For Beginners – Bodge Buster & From Zero To Heat Pump Hero
@topher you’re more than welcome to, yes. I’ll send you...
By Mars , 3 days ago
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RE: Fitting new shower valve ..........
I’ve never taken a chance when fiddling and changing ou...
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You should contact the council and report the unsatisfa...
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RE: Benefits of an extra horizontal loop for GSHP
I would deffo install an additional slinky run, especia...
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RE: Say hello and introduce yourself
@editor fab - thanks Mars, and keep up the great work o...
By normpang , 4 days ago
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RE: Compressor and Evaporator Stratification
@trebor12345 So I think the 1st zigzag section shows so...
By ASHP-BOBBA , 5 days ago
