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Last seen: Aug 18, 2026
Sorry, posted same message twice in my impatience!
Hi Toodles, our experience of MVHR is that on cold winter days it draws in cold air, so we switch it off except when showering and cooking. In hot sum...
Many thanks. I can't add any technical advice but really hope your problems are resolved. We also had some installation issues and an installer who ...
@wesleyp1874 My apologies for gatecrashing your thread. Could you let me know what your rates are on the NextPumped tariff? I have been trying, unsu...
Fail! 😕 Though I must admit, as a humble, non-techie ASHP owner, I was quite pleased to get 76%. I think the fact that I got so many correct ...
Thanks, Toodles. Interesting to see - no defrosts once the temperature reaches 5 C. I am sure ours defrosts still at higher temperatures but we are in...
Ah, many thanks for explaining. That makes sense! I've no idea how often ours defrosts, but there are no problems with either hot water or heating so ...
@s_gatorator Maybe I am not understanding, but it looks like the compressor is at 0 frequency about 10 times in the graph, so it isn't running continu...
I have just seen your post. NIBE installers are few and far between and communication with NIBE isn't easy. I was looking at the service plan info on ...
We have a NIBE F2040-8, but have had it for over 7 years and at that time performance monitoring wasn't required so I have no idea how much energy our...
@superduck I can sympathise as I find low level humming noises disturbing too. This sounds like it is something to do with the way the system has been...
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Latest Posts
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RE: Where heat loss surveys seem to go against practical reality
It's an enticing idea, but the problem is knowing the o...
By cathodeRay , 23 minutes 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 , 3 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 , 8 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 , 23 hours 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 , 24 hours 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



