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Last seen: Aug 9, 2026
@bigfish Sorry to hear that. I would suggest the first step is to get the installer back (preferably before you pay) to look at the noise. Antivib...
@editor Whilst you are contacting installers you may also ask about R290 heat pumps below windows. My reading of the diagrams from several manufac...
The good news is that it leaves no excuse if it doesn't do that! The WC stuff is absolutely basic. I cant understand how an installer doesn't know ...
... and therein lies the problem. This is probably nearly as difficult as setback. The physics is simple, the engineering and measurement less so!
Thanks. Thats pretty much my intended route if I do go ahead - still dependent on wife's view and electrician's quote. You have been very h...
Area under graph is indeed a valid approach and the one I would use, the challenge is 'where do you draw the reference line'. The latent heat of fusi...
I looked for actual regulations some months ago, found none and indeed found some evidence that there are none, ie the rules are being devised up by t...
We are of course speaking hypothetically about how a 'friend' might go about the job, aren't we? 😉 Perhaps my greater...
Another good bout of cold weather should test whether the heat pump has sufficient capacity or not. That said, if the 'design temperature' was -3, th...
Thanks. The frogstar is the one Im potentially looking at. I do know a good electrician but I dont think he does solar. Whenever I have contacted ...
One more earthing question occurs to me. If, as now seems almost certain, the recommendation (requirement) with a TN-C-S or in practice a TN-S system...
Thats great thanks. TBH setting the low end of WC curve according to the design temperature has been very common (possibly even universal) p...
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