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Last seen: Oct 8, 2026
er, if you do this how will the heat pump ever know to switch on? The obvious thing is to tie it to the heat pump's water pump so it switches on whene...
Here are the BUS rules, note in particular 9(d) Part L of the Building regulations here is also relevant, particularly L1b To be brutally hones...
I am sorry to hear about the problems. My advice to you would be focus on a small number of provable issues to avoid any possibility that you are per...
@harriworld Who is TJ? In answer to your question it depends on what the actual problem that the buffer is trying to solve is! (a) If the underl...
Yes but... If the effect of the buffer is to allow the system to 'get away' with a lower flow rate to the emitters (and thus higher DT for any given...
I think its worth turning this question on its head in the case of Octopus and worth asking: notwithstanding the apparent limitations of their install...
@editor @gruff2001 FWIW mine was also audited. The problem I perceive based on my experience is that (it appears) that the installer has to identi...
I don't know exactly how long it takes to heat up (and to specify I would need to specify conditions) but in very general terms its 24 hours+ for the ...
I dont, because I dont turn it off unless Im going away for several days, and in that case the technology to schedule a timed restart (and if necessar...
Before I got a heat pump I turned down my gas boiler flow temperature from 70 to 50 which was the lowest it would go. The result was a much more comf...
OK. What Im seeing looks fairly normal TBH: 1 start per hour is good (1028 on off cycles in 1303 hours); there is no evidence of short cycling Un...
In general pure LWT mode will be more efficient because it means you are operating at the lowest flow temperature. It may well, depending on house, a...
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Latest Posts
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RE: tepeo ZEB UK Support & Info Thread
There is at least one large scale system in this catego...
By Toodles , 1 hour ago
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RE: Missing flow temperature in Heat Geek proposal
I'm not so sure. If the onus is on the customer to spot...
By cathodeRay , 2 hours ago
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RE: Getting closer to a finished Haier system
Apart from sealing the external Primary Pro joints and ...
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RE: Are We Sleepwalking Into Another Race to the Bottom?
@jamespa Hope someone tries it! As a consumer, I woul...
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RE: Air-to-Air Heat Pumps & Air Conditioning: UK Heating and Cooling Q&A
Our latest Homeowners’ Q&A episode has just dropped...
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RE: Vaillant ecoTEC Plus with sensoCOMFORT and weather compensation
Yes, its described in the sensocomfort manual. Its als...
By JamesPa , 1 day ago
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RE: Heat Geek installations: share your experiences
My summary, highlighting the oddities.
By Batpred , 1 day ago
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RE: Renewable Heating Hub Homeowners' Q&A Podcast
What a day yesterday! Two podcasts recorded, brilliant ...
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RE: Tesla Powerwall (2) Calibration Cycles
@davesoa I’m rather a Luddite, but when I was running I...
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RE: Adding additional Solar Panels to a DC coupled battery system
I too use AI when researching online. It's able to co...
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RE: Indevolt Batteries UK Support & Info Thread
There is now a new Secretary of State for Energy Securi...
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RE: Do I add Air Con or MVHR to existing A2W ASHP?
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RE: DIY Heat Pump Installations: Navigating Legal and Regulatory Hurdles
The idealist in me says pioneers in this space should b...
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RE: How should the Boiler Upgrade Scheme be reformed?
Ah, that makes sense when a combi is in place. The boil...
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RE: Replacing Storage Heaters with a Heat Pump in a Stone Cottage
@bobflux Thanks, that gives me something to check the i...
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