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Last seen: Sep 4, 2026
@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...
Having worked in a safety-critical industry for over 40 years, the last thing one does is leave procedures etc open to independent interpretation. Thi...
I appreciate that the risk is probably proportionate to the amount R290 gas in the HP system. That said, gas is gas and once released it immediately b...
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Degrees of Separation
Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
@cathoderay I started to record oil usage per month on ...
By ian33a , 2 hours ago
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RE: Next steps on my ASHP journey: Radiators and Pipework
@bobflux The hydraulic simulator is very interesting...
By Rob of York , 6 hours ago
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RE: 7kW EV Charger Options Advice
Thanks. Yes, we have patchy 4G. The only option we had ...
By Rusty , 11 hours ago
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RE: Being screwed over by Volkswagen Audi Group
Thanks, @batpred. That integration is the one I have in...
By Majordennisbloodnok , 1 day ago
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RE: How Accurate Is My DIY Heat Loss Calculation?
@batpred I suspect it will be more this year. I had 9 ...
By AndrewJ , 1 day ago
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RE: Surface mount or bury primaries for heat pump installation?
@jamespa It's rusting 🙂
By tomasmcguinness , 1 day ago
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RE: Glass lined Cylinder for private water supply
Thank you, once again, for your replies. Yes...
By ian33a , 1 day ago
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It’s been out a few days and Amazon has already attache...
By Mars , 1 day ago
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RE: Missing flow temperature in Heat Geek proposal
Yes, and this is another point I agree. We did find a f...
By Batpred , 1 day ago
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RE: Problems with sizing a replacement for a Viessmann Vitocal 200-S
A very good point. In effect, the DHW pipework is an em...
By cathodeRay , 2 days ago
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RE: Solar Power Output – Let’s Compare Generation Figures
@tim441 Here are those same three month periods for 202...
By Toodles , 3 days ago
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RE: Adding additional Solar Panels to a DC coupled battery system
@transparent thank you for your reply above. As alway...
By Old_Scientist , 4 days ago
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RE: Adventures in heat loss calculations
@rob-of-york — thanks for posting this, all very useful...
By cathodeRay , 6 days ago
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